Answer:
7.41, 7.6, 745
Step-by-step explanation:
I am F years old and my brother is B years older.What was the difference of our ages two year ago?
Answer:
So the difference of ages 2 years ago is [tex]B[/tex] years.
Step-by-step explanation:
The difference of age between me and my brother will not change whether we go back in time or forward in time, it will always be the same difference as of now. In this case it is B years. To further prove this we can do a calculation as below,
If I am F years old and brother is [tex]B[/tex] years older, the age of my brother is,
Age of the brother = [tex]F+B[/tex]
Age of me 2 years ago = [tex]F-2[/tex]
Age of my brother 2 years ago = [tex]F+B-2[/tex]
So the difference of ages 2 years ago can be calculated as,
Age of my brother 2 years ago - Age of me 2 years ago
=[tex]F+B-2[/tex] - [tex]F-2[/tex]
=[tex]F+B-2-(F-2)[/tex]
=[tex]F+B-2-F+2[/tex]
=[tex]B[/tex]
Which point satisfies both ƒ(x) = 2^x and g(x) = 3^x?
(0,1) I hope that helped
The only time that f(x) will equal g(x) occurs at x = 0.
If 5 pounds of potatoes cost $3.75. How much do 12 pounds of potatoes cost?
5 pounds= 3.75
12 pounds= x
5x= 12*3.75
5x=45
12 pounds costs $9
Danny paid a total of $13.65 for two steaks that weighed 0.65 lb and 0.75 lb.
What was the average price per pound that Danny paid for the steaks?
To find the price per pound, simply add 0.65 + 0.75 then divide.
0.65 + 0.75 = 1.40 13.65 / 1.40 = 9.75
Danny paid $9.75 per pound!
Lets go through the steps
1) Add the weights together which gives us 1.4 lb
2) Divide the cost by the weight 13.65/1.4 = $9.75 lb
Which graph represents the piece wise-defined function? y={−x+3 if x<12x−4 if x≥1
For the interval (-∞, 1), put x = 0.5, then y = - 0.5 + 3 = 2.5.
Therefore, (0.5, 2.5) is a point on y = -x + 3.
Put x = - 1, then y = -(-1) + 3 = 1 + 3 = 4.
Therefore, (-1, 4) is another point on y = -x + 3.
Joining (0.5, 2.5) and (-1, 4), we get the graph of the line y = -x + 3.
For the interval [1, ∞), put x = 1, then y = 2(1) - 4 = -2.
Therefore, (1, -2) is a point on y = 2x - 4.
Put x = 2, then y = 2(2) - 4 = 4 - 4 = 0.
Therefore, (2, 0) is another point on y = 2x - 4.
Joining (1, -2) and (2, 0), we get the graph of the line y = 2x - 4.
The graph of the piecewise-defined function is: [tex]function \(y = \begin{cases} 3 & \text{if } x < -2 \\ 0 & \text{if } x = 1 \\ -1 & \text{if } x > 1 \end{cases}\)[/tex]is attached accordingly.
What is a piecewise-defined function?A piecewise-defined function is a mathematical function that is defined by different rules or formulas over different intervals or regions of its domain.
The graph of the piecewise function is attached accordingly.
The graph of the piecewise function [tex]\(y\)[/tex] consists of two linear segments with a clear transition at [tex]\(x = 1\)[/tex]:
1. For [tex]\(x < 1\)[/tex], the equation [tex]\(y = -x + 3\)[/tex] defines a downward-sloping line that intersects the y-axis at [tex]\(y = 3\)[/tex].
2. For , the equation [tex]\(y = 2x - 4\)[/tex] defines an upward-sloping line that intersects the y-axis at [tex]\(y = -4\)[/tex].
These two segments meet at the point (1, -1), creating a kink in the graph. This piecewise function effectively combines two linear functions with different slopes, resulting in a non-continuous graph at [tex]\(x = 1\)[/tex].
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Help ASAP!!!
First to answer with a correct answer gets brain...
Hey there!
First, let's multiply each side of the equation by 3 to get rid of the fraction [tex]\frac{2}{3}[/tex].
9 + 2x = [tex]\frac{6}{5}[/tex]
Next we can multiply each side of the equation by 5 to get rid of the fraction [tex]\frac{6}{5}[/tex].
45 + 10x = 6
There's your answer!
Hope this helps!
Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. What are the integers? It's participation so I just have to have an answer, it doesn't have to be right. Read comments for solution.
Let
n-------> the lesser even number
n+2----> the greater even number
we know that
[tex]3(n+2)=(n-10)[/tex]
Solve for n
[tex]3n+6=n-10[/tex]
Combine like terms
[tex]3n-n=-10-6[/tex]
[tex]2n=-16[/tex]
[tex]n=-8[/tex]
so
[tex]n=-8\\n+2=-8+2=-6[/tex]
therefore
the answer is
the lesser even number is [tex]-8[/tex]
the greater even number is [tex]-6[/tex]
HELP WITH QUESTION YOU WILL GET 40:POINTS
Daniela, Casey, Hope.
Solve by making each a ratio. Daniela - 0.0495, Casey - 0.050, Hope - 0.052
find the mean of each of the scores. To do so, divide the total with the amount of games.
Daniela = 101/5
D = 20.2 per game
Casey = 154/8
C = 19.25 per game
Hope = 227/12
H = 18.92 per game
You are ordering each of them from least to greatest:
Hope, Casey, Daniela is your answer, with 18.92, 19.25, 20.20 respectively.
hope this helps
you are decorating a clean soup can to make a pencil holder. you are going to glue yarn around the top and bottom of the can. the total amout of (y) yarn in inches (in inches) you need is given by the equation y = 4πr where r is the radius of the can. solve for r.
I will give brainliest
Answer:
r = y / (4π)
37.68 = 4 x 3.14 x r
37.68 = 12.56 r
so r = 37.68 ÷ 12.56 = 3
Step-by-step explanation:
We want to solve the given equation for r.
We will get:
r = y/(4*π)
The equation for the total amount of "y" tarn in inches is:
y = 4*π*r
Where π = 3.14159
And r is the radius of the soup can.
We want to solve the given equation for r, this means that we need to isolate r.
To do it, we just need to divide by 4*π in both sides, so we get:
y/(4*π) = 4*π*r/(4*π) = r
Then we got:
r = y/(4*π)
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The Sum of 3 and a number is 16
If "the sum of 3 and a number is 16" is given, we can rewrite it as an equation (note that "a number" refers to a variable, commonly x):
3 + x = 16
Now, simply use the Subtraction Property of Equality (subtract 3 from both sides):
3 + x - 3 = 16 - 3
x = 13
Therefore, the number, or x, is equal to 13.
Hope this short response helps! :)
chip earns a base salary of $500 per month as a salesman.In addition to the salary,he earns $90 per product that he sells .if his goal is to earn $5000 per month,how many products does he need to sell
To earn his desired $5000, Chip must sell 50 products per month. Firstly, his desired income minus his base salary is calculated this gives the additional income needed from products ($4500). Dividing this by the amount per product, gives the number of product sales needed (50).
Explanation:Chip earns a basic salary of $500 per month. His goal is to earn $5000. The additional income he earns comes from selling products at $90 each. If he wants to reach his goal, we need to first subtract his base salary from his goal income.
$5000 - $500 = $4500
This means that he needs to earn $4500 from selling products. We then divide this by the amount he makes per product to find the number of products he needs to sell.
$4500 / $90 = 50
So, Chip needs to sell 50 products in order to meet his income goal of $5000 per month.
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what is the vertex of the quadratic function f(x)=1/2x^2+3x+3/2?
the vertex of the quadratic function
[tex]f(x)= \frac{1}{2}x^2+3x+\frac{3}{2}[/tex]
To find vertex we use formula x= -b/2a
from the given equation , a= 1/2 and b = 3
Now we plug in the values in the formula
[tex]x = \frac{-b}{2a}[/tex]
[tex]x= \frac{-3}{2\frac{1}{2}}=-3[/tex]
x coordinate of vertex is -3
Now plug in -3 for x in f(x)
[tex]f(-3)= \frac{1}{2}(-3)^2+3(-3)+\frac{3}{2}[/tex]
f(-3) = -3
the y coordinate of vertex is -3
So vertex is (-3,-3)
Answer:
(-3, -3)
Step-by-step explanation:
The standard form of a quadratic equation is [tex]y = ax^2+bx+c[/tex] where the coordinates of the highest point (x, y) indicate the vertex.
Here, [tex]a= \frac{1}{2} , b = 3[/tex] and [tex]c= \frac{3}{2}[/tex].
We know the formula to find the x coordinate = [tex]\frac{-b}{2a}[/tex]
[tex]x= \frac{-3}{2(\frac{1}{2}) }[/tex] = [tex]-3[/tex]
To find y, put this value of x in the function to get:
[tex]y = \frac{1}{2} x^2+3x+\frac{3}{2}[/tex]
[tex]y = \frac{1}{2} (-3)^2+3(-3)+\frac{3}{2}[/tex]
[tex]y = -3[/tex]
Therefore, the vertex (x, y) = (-3, -3)
A blueprint for a room has a scale of 1 in. to 3 ft. On the blueprint, one wall measures 9 in. in length. If L represents the length of the actual wall, what is L?
If the scale is 1 inch to 3 feet, and the wall is 9 inches, then our equation would be:
9 x 3 = L 9 x 3 = 27 So, L = 27!
1 in to 3 is times 3. So 9 times 3 is 27. L=27
Please help me on this question!
Domain: {-10, -5, 0, 5}
Range: {-7, -4, -1, 2}
you just find the x and y values of the plotted points my friend!! make sure they're in order from least to greatest
use the distributive property to write an expression equivalent to 5×(3+4)
Final answer:
To use the distributive property to write an expression equivalent to 5×(3+4), distribute the 5 to both the 3 and the 4 and simplify.
Explanation:
To use the distributive property to write an expression equivalent to 5×(3+4), we need to distribute the 5 to both the 3 and the 4. This means we need to multiply 5 by each number inside the parentheses:
5 × 3 = 15
5 × 4 = 20
So, the expression equivalent to 5×(3+4) is 15 + 20, which simplifies to 35.
factorise 2p^2 - p - 10
(2p squared)
2p² - p - 10 = 0
2 = a
- 1 = b
- 10 = c
To factor, find two numbers that multiply to equal a·c and also that have a sum of b
2p² + 4p - 5p - 10 = 0
2p (p + 2) - 5 (p + 2) = 0
Answer: ( 2p - 5 ) ( p + 2 ) = 0What is 0.8 divided by 0.6 and what would it be if I round it to the nearest hundred
Final answer:
0.8 divided by 0.6 is 1.33333... which, when rounded to the nearest hundredth, is 1.33. The rounding should be done to the nearest hundredth as 'rounding to the nearest hundred' typically does not apply to decimals.
Explanation:
To calculate 0.8 divided by 0.6, we simply perform the division:
0.8 ÷ 0.6 = 1.33333...
When we round this to the nearest hundredth, we look at the third decimal place. Since it's 3, we do not round up the second decimal place. Thus, 1.33333... rounded to the nearest hundredth is 1.33.
Rounding numbers and understanding division are fundamental skills in mathematics. They are essential for various applications, such as converting fractions to percentages or when dealing with metrics and customary units.
However, the question asked to round to the nearest hundred, which seems to be a typographical mistake, because we usually round numbers to the nearest hundredth or to the nearest hundred as a whole number, but not to the nearest hundred as a decimal. Assuming it's a typo and meant the hundredth, the result is 1.33. Otherwise, 1.33 rounded to the nearest hundred as a whole number is simply 100 (since this is the closest hundred to 1.33).
Help please 10 minutes
Slope Formula: (y² - y¹) / (x² - x¹)
1 + 7 = 8
-1-1 = -2
8/2 = 4
-2/2 = 1
4/1 = -4
Your answer is B.
Hope this Helps!!
The slope-intercept form:
[tex]y=mx+b\\\\m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
We have (1, -7) and (-1, 1).
Substitute:
[tex]m=\dfrac{1-(-7)}{-1-1}=\dfrac{8}{2}=4[/tex]
Therefore we have
[tex]y=4x+b[/tex]
Substitute the coordinates of the first point to the equation of line:
[tex]-7=-4(1)+b[/tex]
Answer:
[tex]\dfrac{1+7}{-1-1}=-4;\ -7=-4(1)+b[/tex]
Three hundred twenty-two thousand nine hundred and seven dollars
Not sure exactly what your asking but the numerical form of that would be $322,907.
322,907
3=the hundred thousandth place which in this case is 3
2=the ten thousandth place which in this case is 2
2=the thousandth place which in this case is 2
9=the hundredth place which in this case is 9
0=the tenth place which in this case is 0
7=the ones place which in this case is 7
Hope this helps!
What is the decimal equivalent of 9 and 11/27
The decimal equivalent of the mixed number, '9 and 11/27', is found by first converting the fraction into a decimal, followed by adding it to the whole number part. The answer is 9.4074.
Explanation:To find the decimal equivalent of a mixed number like 9 and 11/27, we first need to convert the fractional part into the decimal form. We do this by dividing the numerator (11) by the denominator (27).
The fraction 11/27, when written in decimal form, is approximately 0.4074
Then, the decimal equivalent of the mixed number '9 and 11/27' is found by adding this decimal (0.4074) to the whole number part (9). Hence, the answer is 9.4074.
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Victoria drove 211⁄2 miles in 2⁄3 of an hour. What was her speed? A.) 32 1/2 miles per hour B.) 32 1/3 miles per hour C.) 32 3/4 miles per hour D.) 32 1/4 miles per hour
change each to improper fractions
21 1/2 = (2*21 +1)/2 = 43/2
2/3 = 2/3
43/2 divided by 2/3
copy dot flip
43/2 * 3/2
129/4 = 32 1/4
Answer:
Speed of Victoria, [tex]v=32\dfrac{1}{4}\ miles/hour[/tex]
Step-by-step explanation:
It is given that,
Distance covered by Victoria, [tex]d=21\dfrac{1}{2}\ miles=\dfrac{43}{2}\ miles[/tex]
Time taken, [tex]t=\dfrac{2}{3}\ hour[/tex]
Speed (v) of Victoria is given by total distance divided by total time taken. It is given by :
[tex]v=\dfrac{d}{t}[/tex]
[tex]v=\dfrac{\dfrac{43}{2}\ miles}{\dfrac{2}{3}\ hour}[/tex]
[tex]v=\dfrac{129}{4}\ miles/hour[/tex]
or
[tex]v=32\dfrac{1}{4}\ miles/hour[/tex]
So, the speed of Victoria is [tex]32\dfrac{1}{4}\ miles/hour[/tex]. Hence, this is the required solution.
ome friends are going on a coaster ride at an amusement park. They board their car on a platform that is 10 and one half feet above the ground. The car starts by going up 80 and one half feet. Then the car goes down 50 and one fourth feet and comes to a stop. What is the change in height from where the friends started on the platform to where they are when the car stops?
The change in height from the starting platform to the stopping point of the roller coaster is 40.75 feet above the ground.
To determine the change in height from where the friends started on the platform to where they stop, we need to calculate the total distance the car traveled vertically. The car first ascends 80 and one half feet and then descends 50 and one fourth feet. The starting platform is 10 and one half feet above the ground.
First, we add the height of the platform to the initial ascent:
10.5 feet (height of platform) + 80.5 feet (initial ascent) = 91 feetNext, we subtract the descent:
91 feet (total height after ascent) - 50.25 feet (descent) = 40.75 feetThe change in height is the final position above the ground minus the starting position, yielding a total change in height of 40.75 feet.
The scale of a map says 4cm represents 5km what distance on the map (in centimeters) represents an actual distance of 4 km?
Answer:
3.2 cm on the map (in centimeters) represents an actual distance of 4 km
Step-by-step explanation:
The scale of a map says 4cm represents 5km
We are supposed to find what distance on the map (in centimeters) represents an actual distance of 4 km
5 km = 4 cm
1 km = [tex]\frac{4}{5} cm[/tex]
4 km = [tex]\frac{4}{5} \times 4 cm[/tex]
4 km = [tex]3.2 cm[/tex]
Hence 3.2 cm on the map (in centimeters) represents an actual distance of 4 km
Write a slope intercept for a line passing through the point (4,-3) that is paralell to the line 4x+5y=7
First, we need to solve the equation 4x+5y=7 to make it slope intercept form and find the slope of the line, because parallel lines have the same slope.
4x+5y=7
Subtract 4x from both sides.
5y=-4x+7
Divide both sides by 5.
y=-4/5x+7/5
The slope of the line is -4/5x. Plug that in to the blank slope intercept form equation, y=mx+b, with m being the slope and b being the y-intercept.
y=-4/5x+b
Now, we need to solve for the y-intercept. We can do this by plugging in the given coordinates (4,-3) into the above equation for x and y respectively:
-3=-4/5(4)+b
-3=-16/5+b
Add -16/5 to both sides.
1/5=b
The y-intercept is 1/5, plug this into the equation:
[tex]y=-\frac{4}{5}x+\frac{1}{5}[/tex]
Your equation is the above equation.
I hope this helps :)
Final answer:
To find the slope-intercept form of a line parallel to 4x + 5y = 7 and passing through (4, -3), first find the slope of the given line, then use the point-slope form with the given point to derive the final slope-intercept form, which is y = (-4/5)x + 1/5.
Explanation:
The student is asking for the slope-intercept equation of a line parallel to another line. Since parallel lines have the same slope, we first need to find the slope of the given line, 4x + 5y = 7. To do this, we solve for y to get it into the slope-intercept form, y = mx + b, where m is the slope.
To convert 4x + 5y = 7 into slope-intercept form, we subtract 4x from both sides to get 5y = -4x + 7, and then divide by 5, resulting in y = (-4/5)x + 7/5. The slope of this line is -4/5. Hence, our new line must have the same slope of -4/5 to be parallel.
We use the point-slope form of the equation, which is y - y1 = m(x - x1), to get the equation of the line passing through the point (4, -3). Plugging in the values, we have y - (-3) = (-4/5)(x - 4), which simplifies to y + 3 = (-4/5)x + 16/5. To get the slope-intercept form, we subtract 3 from each side and get y = (-4/5)x + 16/5 - 15/5, leading to y = (-4/5)x + 1/5.
The answer is 65. What do I do to get that answer?
You do what you did in your head if you know the answer is 65 and it's not on the paper.
If your friend answered it for you then sorry I can't help cause I'm horrible at word problems.
If f(x)= 6x+7, determine the value of f(m)
Least common factor of 17 and 6
That will be 1, since 17 can only be factored by itself and 1
Even though 6 can be factored by 3 and 2, the least common factor between 17 and 6 will be 1.
Hello there,
The correct answer is 2 the (LCM) or Least common factor of 17 and 6 is 2
If my answered helped you understand more greatly please mark me as brainliest thank you and have the best day ever!
At which position is the northern hemisphere experiencing spring?
The image includes the position and tilt of Earth in its orbit around the sun. Earth is tilted away from the sun in position A. In position B, the sun shines evenly on Earth from pole to pole. Earth is tilted toward the sun in position C. In position D, the sun shines evenly on Earth from pole to pole.
Public Domain
Point A
Point B
Point C
Point D
The northern hemisphere is experiencing spring at Point B.
Spring is one of the four seasons. It follows winter and is followed by summer. During the spring, in the northern regions of the Northern Hemisphere, the trees become much greener and many plants flower; gradually it gets warmer and the chance of frost decreases.
Astronomical spring starts in the Northern Hemisphere usually on March 20 and ends usually on June 21.
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Answer: point b
Step-by-step explanation:
A veterinarian treated 7 dogs, 13 cats, 4 horses, and 3 ferrets. What percentage of his patients were small animals?
As per your defention, horses are the only thing considered "not small". To find the percentage, you take the number of what you are trying to find the percentage of divided by the total number.
So, 7 dogs + 13 cats + 3 ferrets = 23 Small animals
7 dogs + 13 cats + 3 ferrets + 4 horses = 27 total animals.
So,
[tex]\frac{23}{27}*100[/tex]
The reason we multiply by 100 is because the division gives us a decimal, and a percentage is a part out of 100.
So by doing the calculation we get
85.18%
Mathematics defines a percentage as a number or ratio expressed as fraction of 100.
It is denoted using % sign.
General formula to calculate percentage is:
[tex]\rm Percentage=\dfrac{\rm Value}{\rm Total\: value} \times 100%.[/tex]
For the given question, percentage of small animals is [tex]\rm 85.19\%.[/tex]
Calculation of percentage of small animals:[tex]\begin{aligned} \rm Total\: animals &= 7 + 13 + 4 + 3\\&= 27 \end[/tex]
[tex]\begin{aligned} \rm Number\:of\:small\:animals &= 7 + 13 + 3\\&= 23\end[/tex]
Small animals includes all animals except horses.
Therefore, percentage of small animals will be:
[tex]\rm \begin{aligned}\rm Percentage &= \dfrac{\rm Small \:animals}{\rm Total\:animals} \times 100\\\\ &= \dfrac{23}{27} \times 100\\\\ &= 85.19\% \end{aligned}[/tex]
Percentage of patients to be small animals is [tex]\rm 85.19\%[/tex].
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Simplify the expression. Write your answer as a power.
(23)^2⋅(23^)6