Answer:
x > 125
Step-by-step explanation:
Multiply both sides of the inequality by 25:
25(x/25) > 25(5)
x > 125
_____
Comment on solving inequalities
In general, you solve these the same way you would an equation. The difference comes when you use an operation that changes ordering. Multiplying or dividing by a negative number does that, for instance.
Consider ...
2 > 1.
Multiply both sides by -1, and it is true only if you reverse the comparison:
-2 < -1
(There are other operations that change ordering, but this is the one you will likely run across most often.)
Which table represents the recursive formula?
an = a(n-1) + 6
To identify a table representing the recursive formula an = a(n-1) + 6, one should look for a pattern where each term is 6 greater than the previous one.
Explanation:The recursive formula an = a(n-1) + 6 is a mathematical way of defining a sequence that is created by adding 6 to the previous term. To find out which table represents this formula, look for a pattern where each term is 6 greater than the one before it. For example, if the first term is 2, the second term should be 2 + 6 = 8, the third term should be 2nd term + 6 = 8 + 6 = 14, and so on. By following this pattern, you can identify the table that accurately represents the recursive formula.
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Question 6 of 40
5 Points
Gina's taxable income last year was $62,200. According to the tax table
below, how much tax does she have to pay if she files with the "Single
status?
62,000
Answer:
11,744
Step-by-step explanation:
Answer:
11744
Step-by-step explanation:
37) What is the value of mx
if y=mx+b?
Answer:
the slope
Step-by-step explanation:
Part B
What is the number of whole loaves of each type of bread Hayley should make in order to havo the best
amount of the 15 cups of flour and 9 eggs left over?
Loaves of zucchini bread:?
Loaves of banana bread:?
Answer:
Loaves of zucchini bread = 3
Loaves of banana bread = 3
Completed question;
What is the number of whole loaves of each type of bread Hayley should make in order to havo the best
amount of the 15 cups of flour and 9 eggs left over?
Given that;
Each Banana bread requires 3 cups of flour and 1 egg
And Each zucchini bread requires 2 cups of flour and 2 eggs.
Loaves of zucchini bread:?
Loaves of banana bread:?
Step-by-step explanation:
Representing the problem in equation form;
3b + 2z ≤ 15 .......1
b + 2z ≤ 9 .......2
Where;
b is the number of banana bread to be made and
z is the number of zucchini bread to be made
To solve, subtract equation 2 from 1;
3b-b + 2z-2z ≤ 15-9
2b ≤ 6
b ≤ 6/2
b ≤ 3
Substituting into equation 2
3 + 2z ≤ 9
2z ≤ 9 - 3
2z ≤ 6
z ≤ 6/2
z ≤ 3
Loaves of zucchini bread = 3
Loaves of banana bread = 3
3 whole loaves of each type of bread should be made
Loaves of zucchini bread: 3Loaves of banana bread: 3How to determine the number of whole loaves of each bread?Represent the banana bread with x, and the zucchini bread with y.
Using the complete question as a guide, we have the following equations
3x + 2y = 15
x + 2y = 9
Subtract both equations
2x = 6
Divide both sides by 2
x ≤ 3
Recall that:
x + 2y = 9
So, we have:
3 + 2y = 9
Subtract 3 from both sides
2y = 6
Divide both sides by 2
y = 3
So, we have:
x = y = 3
Hence, 3 whole loaves of each type of bread should be made
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The difference between a number squared and 14 is 50. Can you just write out as equation pls
Answer:
x^(2)-14=50
Step-by-step explanation:
The word problem 'The difference between a number squared and 14 is 50' translates to the quadratic equation x^2 - 14 = 50 in mathematical terms.
Explanation:To form an equation, let's denote the unknown number as x. The phrase 'a number squared' can be written as x2, and 'the difference between a number squared and 14' translates to x2 - 14. According to the problem, this difference equals 50. Therefore, the equation representing this situation is:
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If r is an integer greater than 1, what is the value of (−1)r +1 if:
a) r is an odd integer
b) r is an even integer
I NEED THE ANSWER IN 30 MINS FOR SCHOOL! HELP!!!!!!!!!!!!!!!!!!!!!
Thanks in advance
Answer:
a is 0, b is 2
Step-by-step explanation:
Ik its late, but it was pretty ez. Just plug in dem numbers.
a. In the case when r is an odd integer so it should be zero.
b. In the case when r is an even integer so it should be two.
Calculation of the value:a.. In the case when r is an odd integer
So,
[tex]= (-1)^r + 1[/tex]
= -1 + 1
= 0
b. In the case when r is an even integer
So,
= 1 + 1
= 2
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Write the equation for a parabola with a focus at (2, 2) and a directrix at x = 8.
Answer:
x = -1/12(y -2)² +5
Step-by-step explanation:
You want the equation of the parabola with focus (2, 2) and directrix x = 8.
VertexThe directrix is a vertical line to the right of the focus. This means the parabola opens to the left. The vertex is halfway between the focus and the directrix, so its coordinates are ...
vertex = ((2 +8)/2, 2) = (5, 2)
Leading coefficientThe leading coefficient will be negative for a parabola that opens to the left. Its magnitude is 1/(4p), where p is the distance from the focus to the vertex. Here, that distance is 5 -2 = 3, so the leading coefficient is ...
-1/(4p) = -1/(4·3) = -1/12
EquationIn vertex form, the equation of the parabola is ...
x = a(y -k)² +h . . . . . . . . . . . vertex (h, k); leading coefficient 'a'
x = -1/12(y -2)² +5
The equation of the parabola is [tex]\( (x-5)^2 = 12y \), with focus (2, 2) and directrix \(x = 8\).[/tex]
The standard equation for a parabola with a vertical axis of symmetry is:
[tex]\[ (x-h)^2 = 4p(y-k) \][/tex]
where (h, k) is the vertex of the parabola and p is the distance between the vertex and the focus (or the vertex and the directrix).
Given that the focus is at (2, 2) and the directrix is at x = 8, we can find the distance between the focus and the vertex, which is p. Since the directrix is a vertical line, the vertex's x-coordinate is the midpoint between the x-coordinate of the focus and the x-coordinate of the directrix:
[tex]\[ h = \frac{{x_f + x_d}}{2} = \frac{{2 + 8}}{2} = 5 \][/tex]
So, the vertex is at (5, k). Since the focus is above the vertex, k > 2.
Now, we find the distance between the focus and the vertex, which is equal to p. The distance formula is:
[tex]\[ p = \sqrt{(x_f - h)^2 + (y_f - k)^2} \]\[ p = \sqrt{(2 - 5)^2 + (2 - k)^2} \]\[ p = \sqrt{9 + (2 - k)^2} \][/tex]
Given that p is the distance from the focus to the vertex, we know that [tex]\(p = 3\).[/tex]
So, the equation of the parabola is:
[tex]\[ (x-5)^2 = 12(y-k) \][/tex]
Now, we need to find the value of k. Since the vertex lies on the parabola, we can substitute the coordinates of the vertex into the equation:
[tex]\[ (5-5)^2 = 12(0-k) \]\[ 0 = -12k \]\[ k = 0 \][/tex]
So, the equation of the parabola is:
[tex]\[ (x-5)^2 = 12y \][/tex]
Which set of measurements could be the side lengths of a right triangle?
A: 10cm, 12cm, 16cm.
B: 20cm, 21cm, 29cm.
C: 30cm, 32cm, 42cm.
D: 40cm, 42cm, 56cm.
I need help and NOW
Answer:
a
Step-by-step explanation:
Which answer shows 0.05 written in scientific notation?
0.5x 10-1
5x10-2
5x10-
5x102
0.05 written in scientific notation is 5 * 10^-2
How to express as scientific notation?The number is given as:
Number = 0.05
Multiply by 1
Number = 0.05 * 1
Express 1 as 100/100
Number = 0.05 * 100/100
Evaluate the product
Number = 5 * 1/100
Express 1/100 as an exponent
Number = 5 * 10^-2
Hence, 0.05 written in scientific notation is 5 * 10^-2
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The correct scientific notation for the decimal 0.05 is 5 x 10^-2, which is the option that correctly shows this number in scientific notation.
The question asks for the correct scientific notation of the decimal 0.05. Scientific notation expresses numbers as a product of a number between 1 and 10 and a power of 10. It's a way of scaling down or up numbers to make them easier to work with, especially when dealing with very large or very small values.
To write 0.05 in scientific notation, we identify a number between 1 and 10 followed by a power of 10 that will put the decimal in the correct place. We see that 0.05 is the same as 5 moved two decimal places to the left. Therefore, in scientific notation, we write this as 5 x 10-2.
The option showing 0.05 written correctly in scientific notation is 5 x 10-2.
James is a welder who earns $18 per hour. He works 8 hours per day, Monday through Friday. How much does James earn in one week?
Answer:
720 Dollars a Week
Step-by-step explanation:
18x8x5
since he makes 18 dollars an hour you multi that by 8 because 8 hours
then you have to multiply that by 5 because he works 5 days a week mon-fri
A bacteria culture starts with 12,000 bacteria and the number doubles every 50 minutes.
(a) Find a formula for the number of bacteria at time t.
(b) Find the number of bacteria after one hour.
(c) After how many minutes will there be 50,000 bacteria?
Answer:
a) [tex]y=12000(2)^{\frac{t}{50}}[/tex]
b) Approx. 27,569 bacteria
c) About 103 minutes
Step-by-step explanation:
a)
This will follow exponential modelling with form of equation shown below:
[tex]y=Ab^{\frac{t}{n}}[/tex]
Where
A is the initial amount (here, 12000)
b is the growth factor (double, so growth factor is "2")
n is the number of minutes in which it doubles, so n = 50
Substituting, we get our formula:
[tex]y=Ab^{\frac{t}{n}}\\y=12000(2)^{\frac{t}{50}}[/tex]
b)
To get number of bacteria after 1 hour, we have to plug in the time into "t" of the formula we wrote earlier.
Remember, t is in minutes, so
1 hour = 60 minutes
t = 60
Substituting, we get:
[tex]y=12000(2)^{\frac{t}{50}}\\y=12000(2)^{\frac{60}{50}}\\y=12000(2)^{\frac{6}{5}}\\y=27,568.76[/tex]
The number of bacteria after 1 hour would approximate be 27,569 bacteria
c)
To get TIME to go to 50,000 bacteria, we will substitute 50,000 into "y" of the equation and solve the equation using natural logarithms to get t. Shown below:
[tex]y=12000(2)^{\frac{t}{50}}\\50,000=12,000(2)^{\frac{t}{50}}\\4.17=2^{\frac{t}{50}}\\Ln(4.17)=Ln(2^{\frac{t}{50}})\\Ln(4.17)=\frac{t}{50}*Ln(2)\\\frac{t}{50}=\frac{Ln(4.17)}{Ln(2)}\\\frac{t}{50}=2.06\\t=103[/tex]
After about 103 minutes, there will be 50,000 bacteria
What is the image of the point (5, -3) after a reflection over the line y = x?
O (3,-5)
O (-5, 3)
O (-3,5)
o (5, 3)
Answer:
(-3,5)
Step-by-step explanation:
If the slope of y=x is 1, then you have to reflect over that line with a negative slope. It should reflect over to be (-3,5).
Answer:C
Step-by-step explanation:have a nice day!
Find the volume of the prism.
Answer:
168 units^3
Step-by-step explanation:
The volume of triangular prism is calculated like this : 1/2 × b×h×l (b: base, h: height, l: length)
1/2 × 7 × 6 × 8 = 168 units^3
what is the equation of the graphed line written in standard form
Answer:
First you'll find the equation of the graphed line in slope-intercept form, y = mx+b, and then from there we'll convert it into standard form, ax+by = c. To find the slope of the line you could either use the two points on the line or just look and see.
Step-by-step explanation:
Morgan rewrote the expression 90 + (10 + 4.8) as (90 + 10) + 4.8. How will this change the work that is needed to evaluate the expression?
4.8 is now multiplied by 90 and 10.
4.8 is now added to 10 before adding 90.
4.8 is now added after finding the sum of 90 and 10.
4.8 is now added to both 90 and 10.
Answer:
Answer is c
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
just did it
x+3y>-3 and y<1/2x+1
Answer:
well i have no idea what ur asking but i think 6+3*2>-3 and 98<1/2*2+1
Step-by-step explanation:
Rayna found the curve of best fit for a set of data that represents an exponential relationship. The correlation coefficient for her curve of best fit is r= 0.274
The first is growth or decay. The second is is or is not. Which one is correct?
Answer:
The data set shows exponential GROWTH
raynas curve IS NOT a good fit for the data set
Step-by-step explanation:
Believe
Final answer:
With a correlation coefficient of r = 0.274, Rayna's exponential model is not a strong fit, and without the sign of the rate parameter, we cannot determine whether it represents growth or decay.
Explanation:
When Rayna found the curve of best fit for a set of data representing an exponential relationship with a correlation coefficient of r = 0.274, two aspects can be deduced. First, whether the relationship reflects growth or decay, and second whether the model fits well or not. The value of r indicates the strength and direction of the linear relationship between two variables.
In the context of exponential relationships, if the parameter representing the rate of change (often denoted by 'b') is positive, it indicates exponential growth; if the parameter is negative, it signifies exponential decay. Since we do not have the explicit sign of the parameter, we cannot directly conclude whether Rayna's data is demonstrating growth or decay.
The value of the correlation coefficient r = 0.274 is relatively low and thus, Rayna's exponential model is not a strong fit for the data. This is because the value of r is far from 1, and a higher correlation coefficient would suggest a stronger linear relationship between variables.
A certain television is advertised as a 10-inch TV (the diagonal length). If the width of the TV is 6 inches, how many inches tall is the TV?
Answer:
8 inches
Step-by-step explanation:
Using Pythagorean theorem you know a^2+b^2=c^2
a^2+b^2=c^2 =
6^2+b^2=10^2=
36+b^2=100
100-36=b^2
64=b^2
64=8^2
The Tv is 8 inches tall
Simplify: (4d + 7e – 3f) + (5d – 2e +9f)
Answer:
9d+5e+6f
Step-by-step explanation:
(4d + 7e – 3f) + (5d – 2e +9f)
4d+5d+7e-2e-3f+9f
9d+5e+6f
Answer:
9d+5e+6f
Step-by-step explanation:
(happy to help)
What is the graph of 3x + 5y = –15? A coordinate plane with a line passing through (negative 5, 0) and (3, 0). A coordinate plane with a line passing through (0, 3) and (5, 0). A coordinate plane with a line passing through (negative 5, 0) and (0, 3). A coordinate plane with a line passing through (0, negative 3) and (5, 0).
Answer:
its A
Step-by-step explanation:
i got it right
Answer:A
Step-by-step explanation:
Using the diagram below, calculate the length of BO.
25 in
4 in
7 in
5 in
Answer:
the answer is 5 inches
Step-by-step explanation:
so for this problem I used the pythagorean theorem which is a^2 + b^2 = c^2.
Janice is building a fence around a portion of her rectangular yard. The length of yard she will enclose is x and the width is 2 x^2 − 99x + 6 where the measurements are in feet. If the length of the enclosed yard is 50 feet and the cost of fencing is $13 per foot, how much will Janice need to spend on fencing? Janice will need to spend $ on fencing.
Janice will need to spend $2756.00 on fencing.
Explanation:Set up the equation for the width:
Width = 2x^2 - 99x + 6 (given in the problem)
Substitute the known length (50 feet) into the equation:
50 = 2x^2 - 99x + 6
Solve the quadratic equation for x (length of the wider side):
This equation can be solved using various methods like factoring, quadratic formula, or online calculators. For example, using an online calculator, we find two solutions: x ≈ 1.59 or x ≈ 49.41.
Since the length cannot be a fraction of a foot, choose the larger solution:
x ≈ 49.41 feet
Calculate the total perimeter of the enclosed area:
Perimeter = 2 (length + width) = 2 (50 feet + 49.41 feet) ≈ 198.82 feet
Find the total cost of fencing:
Total cost = Perimeter * Cost per foot = 198.82 feet * $13/foot ≈ $2756.00
Therefore, Janice needs to spend $2756.00 on fencing to enclose the specified portion of her yard.
Annita is sewing a lace edge around a rectangular quilt She will need 144 inches of lace to do the entire quilt if the quilt is 37
inches wide, how long is the quilt?
OA. 70 inches
OB. 35 inches
c. 33 inches
OD. 72 inches
Answer:
B
Step-by-step explanation:
So if she sews along the edge, that means 144 is the perimeter,
The shape is a rectangle, therefore 2 of the sides are 37,
You should add 37 to 37 and that will give you 74
Subtract 74 from 144 to get 70
but we're not done!
The question asked for the length of the quilt, but we only subtracted the length from the total perimeter!
Now you must divide by 2 and you should get 35 inches
Thank me later :)
What is the measure of the inscribed angle ABC if the measure of the arc, which this angle intercepts is:
48°
9514 1404 393
Answer:
24°
Step-by-step explanation:
The measure of an inscribed angle is half the measure of the intercepted arc.
48°/2 = 24°, the measure of ∠ABC
Find the 88th term of the arithmetic sequence 26, 28, 30,...
Answer:
200
Step-by-step explanation:
Given Arithmetic sequence is: 26, 28, 30,...
First term a = 26
Common Difference d = 2
n = 88
[tex] \because t_n=a +(n-1) d \\ \therefore \: t_{88}=26 +(88-1) \times 2 \\ \therefore \: t_{88}=26 +87 \times 2 \\ \therefore \: t_{88}=26 +174 \\ \huge \red{ \boxed{ \therefore \: t_{88}=200}} \\ [/tex]
The 88th term of the arithmetic sequence 26, 28, 30,... is 200.
Explanation:The given sequence is an arithmetic sequence, where each term is obtained by adding 2 to the previous term. The first term of the sequence is 26, and the common difference is 2.
To find the 88th term of the sequence, we can use the formula for the nth term of an arithmetic sequence: an = a1 + (n - 1)d, where an is the nth term, a1 is the first term, n is the term number, and d is the common difference.
Plugging in the given values: an = 26 + (88 - 1)2 = 26 + 87*2 = 26 + 174 = 200.
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Lliana rotated trapezoid WXYZ 180 about the origin
Answer: it’s A
Step-by-step explanation:
I took the edge test
the difference between Hawaii (12 degree) and south Dakota (-58 degree)
Answer:
Hawaii is 80 degrees warmer than Dakota.
Step-by-step explanation:
first you have to make the negative a positive by adding 58 degrees to it making it zero then you add the 12 degrees in Hawaii getting 80 degrees.
A diver descends 2 feet per minute. How deep below sea level is it after 40 minutes? (shows the process).
Answer:
80 feet below sea level
Step-by-step explanation:
We know that the rate of the diver is 2 ft / min. The time we are given is 40 minutes, so to find out how many feet the diver has descended, we multiply the rate by the time:
(2 ft / min) * (40 min) = 80 ft
Thus, the diver is 80 feet below sea level after 40 minutes.
Hope this helps!
If x2 + nx + 18 = (x + 9)(x + 2), what is the value of n?
PLZ HELP ME HAS SOON HAS POSSIBLE?????
Answer:
- 7/2
Step-by-step explanation:
- sqrt(49/4)
We know that sqrt(a/b) = sqrt(a)/ sqrt(b)
- sqrt(49)/sqrt(4)
- 7/2