Answer:
-1/2
Step-by-step explanation:
For a line to be parallel, they must be equal, for it to be prependicular, the slope must have an opposite value and be over the value.
Answer:
[tex]\frac{-1}{2}[/tex]
Step-by-step explanation:
General form of equation of line = [tex]y= mx+c[/tex]
Where m is the slope of line
We are given a line [tex]y=2x + 5[/tex]
On comparing with general form
m = 2
Let n be the slope of line perpendicular to the line [tex]y=2x + 5[/tex]
The product of the slopes of perpendicular lines is -1
So,[tex]m \times n = -1[/tex]
[tex]2 \times n = -1[/tex]
[tex]n = \frac{-1}{2}[/tex]
So, Option B is correct
Hence the slope of a line perpendicular to the line whose equation is y=2x + 5 is [tex]\frac{-1}{2}[/tex]
Solve 23(3x+9)=−2(2x+6).
Can someone please help me
Answer:
C
Step-by-step explanation:
Given
2r + (t + r) ← distribute parenthesis by 1
= 2r + t + r ← collect like terms
= 3r + t
Which is not represented by the given options → C
I need help on 21 can you please show your work
Pd).
cot x/sec x
show that -=cos ecx -sin x
Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identities
• cot x = [tex]\frac{cosx}{sinx}[/tex]
• sec x = [tex]\frac{1}{cosx}[/tex] and cosec x = [tex]\frac{1}{sinx}[/tex]
Consider the left side
[tex]\frac{cotx}{secx}[/tex]
= [tex]\frac{cosx}{sinx}[/tex] × cosx
= [tex]\frac{cos^2x}{sinx}[/tex]
= [tex]\frac{1-sin^2x}{sinx}[/tex]
= [tex]\frac{1}{sinx}[/tex] - [tex]\frac{sin^2x}{sinx}[/tex]
= cosec x - sin x
= right side ⇒ verified
11 help cause I'm stuck
:3
11
let's say each restaurant has a container of soup which is the same size, let's say there is a total of "s" amount of soup in the container of each restaurant, so 5/4 of that much will just be (5/4)s and 7/4 of "s" is just (7/4)s.
well, one restaurant makes 20 servings from 5/4 of it and the other makes 25 from 7/4 of it,
[tex]\bf \cfrac{5}{4}s\div 20\implies \cfrac{5}{4}s\div \cfrac{20}{1}\implies \cfrac{~~\begin{matrix} 5 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{4}s\cdot \cfrac{1}{\underset{4}{~~\begin{matrix} 20 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}\implies \boxed{\cfrac{1}{16}}s \\\\[-0.35em] ~\dotfill\\\\ \cfrac{7}{4}s\div 25\implies \cfrac{7}{4}s\div \cfrac{25}{1}\implies \cfrac{7}{4}s\cdot \cfrac{1}{25}\implies \boxed{\cfrac{7}{100}}s[/tex]
now, which one is larger? well, we can simply put both fractions with the same denominator by multiplying one by the other's denominator,
[tex]\bf \cfrac{1}{16}\cdot \cfrac{100}{100}\implies \boxed{\cfrac{100}{1600}}\qquad \qquad \qquad \stackrel{\textit{\Large larger}}{\cfrac{7}{100}\cdot \cfrac{16}{16}\implies \boxed{\cfrac{112}{1600}}}[/tex]
in this diagram below, the 2 line segments are congruent. Find the value of x
Answer:
Step-by-step explanation:
because the two line segments are the same length-->
12+10-x=18
x=22-18=4
The question aims to determine the value of x for two congruent line segments, typically involving algebraic and geometric methods; however, no specific solution can be provided without the diagram.
Explanation:The question involves finding the value of x when given two congruent line segments in a diagram. This typically requires the use of algebraic methods or the application of geometric theorems to establish relationships between the lengths represented in the diagram and solve for x.
Without the specific diagram, we cannot provide the direct steps to solve for x.
However, the context suggests the use of equations to calculate lengths. Common strategies include setting equations equal to each other when line segments are congruent and simplifying to find x.
The mention of bisectors and lines intersecting at right angles can also imply the use of properties related to parallel and perpendicular lines or the Pythagorean theorem.
Remember, when equations have two solutions for x, it's necessary to consider which solution is consistent with the geometric context of the problem.
Essential Question How do the signs of
factors affect their product?
Answer:
If a negative number is multiplied with a positive number, the result will be negative. If two positive numbers are multiplied, the result will be positive. If two negative numbers are multiplied, the result will also be positive.
Mathematical signs are very important to take note of when multiplying factors.
The product of an addition and subtraction sign results in a negative sign. This is important as it affects the signs of factors affecting their product. For instance; -3 (2 + 5)According to distributive law, the negative sign will affect the positive sign in the bracket to have -3(2) -3(5) = -6 - 15
Learn more here: https://brainly.com/question/18102826
Keith has $500 in a savings account at the beginning of the summer. He withdraws $25 per week for food,clothing, and movie tickets. How many weeks can Keith withdraw money from his account?
Answer:
20 weeks.
Step-by-step explanation:
So, he has $500 in savings and he's taking out $25 each week. That would be $25 x ?. Which is the same as 500 divided by 25 which equals 20. I hope this helps!
Keith can withdraw $25 each week from his $500 savings account for 20 weeks.
Keith starts with $500 in his savings account and withdraws $25 every week. To determine how many weeks he can continue these withdrawals, we need to divide his initial amount by the weekly withdrawal amount.
Let's perform the calculation step by step:
Initial amount in the savings account: $500Weekly withdrawal amount: $25Number of weeks Keith can withdraw money = $500 / $25Perform the division: $500 ÷ $25 = 20 weeksSo, Keith can withdraw money from his account for 20 weeks.
What digit is in the tens place in the number 35,176?
Answer:7
Step-by-step explanation:
Ten Thousands Thousands Tens
3 5 7
Answer:
7
Step-by-step explanation:
The ones place always starts on the left then it works it way up.
ones, Tens, hundreds, thousands, ten thousands and it goes on in the same ones tens hundreds pattern
u=3a-1
Solve the equation for the indicated variable: a
you are designing a room for a house and are drawing a floor plan. The room is actually 18 feet wide. On your floor plan, you draw the room as 6 inches wide. what is the scale factor for the floor plan
Answer:
1:3
Step-by-step explanation:
18 / 6 = 3
Answer:
3 feet per inch
Step-by-step explanation:
trust me bro
10
TIME REMAINING
53:10
The functions f(x) and g(x) are graphed.
Which represents where f(x) = g(x)?
O f(2) = g(2) and f(0) = g(0)
O f(2) = g(0) and f(0) = g(4)
O f(2) = g(0) and f(4) = g(2)
O f(2) = g(4) and f(1) = g(1)
Answer:
first one. Since its X crosses or passes (2,0)
Step-by-step explanation:
The value of function represents with same domain f(x)= g(x) is f(2) = g(2) and f(0) = g(0).
We know that two functions f and g are said to be equal if:
(i) f and g have same domain D
(ii) for all x ∈ D, f(x) = g(x)
Thus, we must select the response that best captures the situation where f(x) = g. (x)
Considering the fact that f(x) and g(x) are defined on the same domain
If they are equivalent for all values of x in the domain, then f(x) = g(x).
Thus, f(2) = g(2) and f(0) = g(0)
Learn more about Function here:
https://brainly.in/question/24381291
#SPJ7
3. A scientist starts an experiment with 5 bacteria. The number triples every 30
minutes. How many bacteria are in the culture after 2 hours and 30 minutes?
Answer:
1215 bacteria
Step-by-step explanation:
5 x 3 = 15 (after 30 minutes)
15 x 3 = 45 (after 60 minutes)
45 x 3 = 135 (after 90 minutes)
135 x 3 = 405 (after 120 minutes)
405 x 3 = 1215 (after 150 minutes)
5) A survey of 9,000 men in 2005 shows that 55% of them want to try a male birth control pill. How many of men
DO NOT want to try it? (2 points)
Please help
Answer:
@misterking_59 i 2,000 no prb
Step-by-step explanation:
Rewrite the function f of x equals 4 times one third to the 2 times x power using properties of exponents. f of x equals 4 times one ninth to the x power f of x equals 4 times two sixths to the x power f of x equals 16 times one third to the x power f of x equals 16 times one ninth to the x power
Answer:
A
Step-by-step explanation:
Answer:
Option 1
Step-by-step explanation:
Given : Function f of x equals 4 times one third to the 2 times x power.
To find : Rewrite the function using properties of exponents ?
Solution :
Writing the function in numeric terms,
f of x equals 4 times one third to the 2 times x power
i.e. [tex]f(x)=4\times (\frac{1}{3})^{2x}[/tex]
Solve the expression,
[tex]f(x)=4\times (\frac{1}{3}^2)^{x}[/tex]
[tex]f(x)=4\times (\frac{1}{9})^{x}[/tex]
i.e. f of x equals 4 times one ninth to the x power.
Therefore, Option 1 is correct.
d÷2+3=21 can someone please answer this
Answer:
frist add 3 plus 2 then multiply it by 21 and then you will get 105 and 105 will represent d
Yanni threw his paper airplane 15 1/2 feet. Adrian threw his paper airplane 3/4 of yanni's distance. What is the distance Adrian paper airplane? Explain how you found your answer
Answer:
19.125
Step-by-step explanation:
multiply 15.5 by 3 and then divide the answer by 4
Final answer:
To find the distance Adrian's paper airplane traveled, convert Yanni's distance to an improper fraction, calculate 3/4 of that, and then convert back to a mixed number. Adrian's paper airplane flew 11 5/8 feet.
Explanation:
The question asks us to calculate the distance Adrian's paper airplane traveled, given that it is 3/4 of the distance Yanni's airplane traveled, which was 15 1/2 feet. First, we need to convert Yanni's distance to an improper fraction. This gives us 31/2 feet. To find 3/4 of this distance, we multiply 31/2 feet by 3/4:
(31/2) × (3/4) = (31 × 3) / (2 × 4) = 93/8 feet.
Now, we convert the improper fraction back to a mixed number to find the distance. This gives us 11 5/8 feet (since 93 divided by 8 is 11 with a remainder of 5).
Therefore, Adrian's paper airplane traveled a distance of 11 5/8 feet.
Mario wants to put a rectangular fence around the pool in his backyard. Since one side is adjacent to the house, he will only need to fence three sides. There is one long side parallel to the house, and two shorter sides. He needs 130 feet of fencing to enclose the pool. The length of the long side is 10 feet less than twice the width. Find the length and width of the pool area to be enclosed.
Answer:
The length and width of the pool area is:
Length = 60 feet. Width = 35 feet.Step-by-step explanation:
Since the 130-foot fence should enclose only three parts of the pool (two wide and one long), equations are performed to express the information provided.
First an equation that says the total feet in the fence:
X + 2Y = 130 (where X is the length and Y is the width) X = 2Y-10 (since the length is 10 feet less than twice the width)With these equations, we proceed to replace the second equation in the first one and solve for Y:
X + 2Y = 130 2Y -10 + 2Y = 130 4Y - 10 = 130 4Y = 130 + 10 Y = 140/4 Y = 35 feetSince we already know that the width corresponds to 35 feet, we use the second equation to find the value of X:
X = 2Y-10 X = 2 (35) -10 X = 70 - 10 X = 60With which it is identified that the length is 60 feet.
To find the dimensions of the pool area, we can set up an equation using the given information. Solving the equation, we find that the width of the pool area is 35 feet and the length is 60 feet. Therefore, the dimensions of the pool area to be enclosed are 35 feet by 60 feet.
Explanation:To find the dimensions of the pool area, we will set up an equation based on the given information. Let's say the width of the pool area is 'w'. According to the problem, the length of the long side is 10 feet less than twice the width, so the length can be represented as 2w - 10. Since Mario needs to fence three sides, we can calculate the total length of the fence as follows:
https://brainly.com/question/29175065
#SPJ12
What is the polynomial function of least degree whose only zeros are -3, ,-2, and 4 ?
The polynomial function of least degree with zeros -3, -2, and 4 is f(x) = (x+3)×(x+2)×(x-4), which is a cubic polynomial.
The polynomial function of least degree with given zeros of -3, -2, and 4 is derived from the fact that if a polynomial has zeros at x=a, x=b, and x=c, then it can be represented as f(x) = k×(x-a)×(x-b)×(x-c), where k is any non-zero constant. Given the zeros -3, -2, and 4, the polynomial function is:
f(x) = k×(x+3)×(x+2)×(x-4)
Because the question does not specify a leading coefficient, we can assume k=1 for the least degree polynomial. Thus, the final form of the polynomial would be:
f(x) = (x+3)×(x+2)×(x-4)
Expanding this would give us a cubic polynomial, which is the polynomial of least degree that satisfies the condition of having exactly these three zeros.
Round 19,837 to the nearest hundred.
The answer is 19,800
If you need a better explanation just as in the comments.
Happy to help! Please mark as BRAINLIEST! Thanks
Answer:
19,837 rounded to the nearest hundred is 19,800
Step-by-step explanation:
so we know that 4 and under we keep the number the same, so the 3 in the tens place means that we keep the 8 ind the hundreds place the same and so that leads us to our answer, 19,800
Hope I helped :)
A waitress sold 10 ribeye steak dinners and 45 grilled salmon dinners, totaling $591.99 on a particular day. Another day she sold 24 ribeye steak dinners and 15 grilled salmon dinners, totaling $583.39. How much did each type of dinner cost?
Answer:
The cost of a ribeye steak dinner is $18.68 and the cost of a grilled salmon dinner is $9.00
Step-by-step explanation:
Let
x ----> the cost of a ribeye steak dinner
y ----> the cost of a grilled salmon dinner
we know that
10x+45y=591.99 -----> equation A
24x+15y=583.39 ----> equation B
Solve the system by graphing
Remember that the solution is the intersection point both graphs
The solution is the point (18.68,9.00)
see the attached figure
therefore
The cost of a ribeye steak dinner is $18.68 and the cost of a grilled salmon dinner is $9.00
7x = 2y solve for y in terms of x
Y=?
Answer:
7x/2
Step-by-step explanation:
7x=2y
1) Divide both sides by 2:
y=7x/2
the perimeter of a rectangle if the width is 3 centimeters and the length is 6 centimeters longer than the width.
Answer:
24
Step-by-step explanation:
Length 9 (3+6)
Width 3
Perimeter = 2 times length + 2 times width
18 + 6 = 24
A house on the market was valued at $262,000. After several years, the value increased by 9%. By how much did the house's value increase in dollars? What is the current value of the house?
Answer:
The house increases by $23,580 and he current value of the house is $285,580
Step-by-step explanation:
A house on the market was valued at $262,000. After several years, the value increased by 9%.
The first part of the question is to find by how much the house's value increase in dollars, to calculate this, we will simply find;
9% of $262,000
= [tex]\frac{9}{100}[/tex] × $262 000
= [tex]\frac{2358000}{100}[/tex]
=$23580
Therefore, the house's value increase by $23580
The second part of the question is to fin the current value of the house. Hence;
Current value of the house = $262,000 + $23580=$285,589
Therefore the current value of the house is $285,589
Matthew invested $3,000 into two accounts. One account paid 3% interest and the other paid 8% interest. He earned 4% interest on the total investment. How much money did he put in each account?
Answer:
Mathew invested $600 and $2400 in each account.
Solution:
From question, the total amount invested by Mathew is $3000. Let p = $3000.
Mathew has invested the total amount $3000 in two accounts. Let us consider the amount invested in first account as ‘P’
So, the amount invested in second account = 3000 – P
Step 1:
Given that Mathew has paid 3% interest in first account .Let us calculate the simple interest [tex](I_1)[/tex] earned in first account for one year,
[tex]\text {simple interest}=\frac{\text {pnr}}{100}[/tex]
Where
p = amount invested in first account
n = number of years
r = rate of interest
hence, by using above equation we get [tex](I_1)[/tex] as,
[tex]I_{1}=\frac{P \times 1 \times 3}{100}[/tex] ----- eqn 1
Step 2:
Mathew has paid 8% interest in second account. Let us calculate the simple interest [tex](I_2)[/tex] earned in second account,
[tex]I_{2} = \frac{(3000-P) \times 1 \times 8}{100} \text { ------ eqn } 2[/tex]
Step 3:
Mathew has earned 4% interest on total investment of $3000. Let us calculate the total simple interest (I)
[tex]I = \frac{3000 \times 1 \times 4}{100} ----- eqn 3[/tex]
Step 4:
Total simple interest = simple interest on first account + simple interest on second account.
Hence we get,
[tex]I = I_1+ I_2 ---- eqn 4[/tex]
By substituting eqn 1 , 2, 3 in eqn 4
[tex]\frac{3000 \times 1 \times 4}{100} = \frac{P \times 1 \times 3}{100} + \frac{(3000-P) \times 1 \times 8}{100}[/tex]
[tex]\frac{12000}{100} = \frac{3 P}{100} + \frac{(24000-8 P)}{100}[/tex]
12000=3P + 24000 - 8P
5P = 12000
P = 2400
Thus, the value of the variable ‘P’ is 2400
Hence, the amount invested in first account = p = 2400
The amount invested in second account = 3000 – p = 3000 – 2400 = 600
Hence, Mathew invested $600 and $2400 in each account.
Triangle PQR is transformed to similar triangle P'Q'R'.
What is the scale factor of dilation?
1 over 2
1 over 3
1 over 4
1 over 5
Please explain your work, it'd really help if I understood why that's the answer then just accepting an answer. I'm really confused so please, if you can, explain your work!
Answer:
The answer is 1/2
Step-by-step explanation:
If you look at the distance between P and R and the dilation between P' and R' you would get 4 and 2. This the scale dilation is 1/2. Multiply 1/2 by 4 and you would get 2.
Answer:
1/2
Step-by-step explanation:
is -8 a solution to the equation 3x=16-5x
Answer: YEP
Step-by-step explanation: -8 makes it -24=16-40, which is -24
I HOPE THIS HELPS. HAVE THE MOST AMAZING WEEKEND EVER CHILD
༼ つ ◕_◕ ༽つ
George has a mass of 65kg. What would George weigh on the Moon? (The gravitational field strength on the Moon is 1.6N/kg.)
George would weigh
65 kg × 1.6N /kg = 104 Newtons
That's compared to around 650 Newtons on earth.
Answer: Weight of George on Moon =104 N
Step-by-step explanation:
Given : George has a mass of 65 kg.
The gravitational field strength on the Moon is 1.6N/kg.
Then, the weight of George on Moon = George's Mass x Gravitational field strength
=[tex]65\times1.6=104\text{ Newtons}[/tex]
Hence, the weight of George on Moon =104 N
y = f(x) = -5X
Find f(x) when x = 0.
The value of the function f(x) = -5x when x = 0 is 0. This point also represents the y-intercept of a declining straight line graph.
To find the value of the function f(x) when x equals 0, we simply substitute 0 for x in the given function. The function provided is f(x) = -5x, which implies a linear relationship between y and x. Therefore:
f(0) = -5(0) = 0
The value of f(x) at x = 0 is 0, which also represents the y-intercept of the graph. Since the coefficient of x is negative, we know the graph is a declining straight line. However, at the point where x = 0, the graph will intersect the y-axis.
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Divide the following polynomial and then place the answer in the proper location on the grid.
8y 7 ÷ 4y 5
Answer:
2y^2. 8/4 = 2 and y^7/y^5 is y^2 i don't know if this is what you completely asked for but here is the answer
Step-by-step explanation:
Division of the given polynomial [tex]8y^{7}[/tex] ÷ [tex]4y^{5}[/tex]is equal to [tex]2y^{2}[/tex].
What is division?" Division is defined as the distribution of a given quantity into equal parts as per the given condition."
Formula used
[tex]a^{m}[/tex] ÷ [tex]a^{n}[/tex] [tex]= a^{m-n} , m > n[/tex]
According to the question,
Given polynomial,
[tex]8y^{7}[/tex] ÷ [tex]4y^{5}[/tex]
Division of given polynomial also use the formula we get,
[tex]8y^{7}[/tex] ÷ [tex]4y^{5}[/tex]
[tex]= 2 y^{7-5} \\\\= 2y^{2}[/tex]
Hence, division of the given polynomial [tex]8y^{7}[/tex] ÷ [tex]4y^{5}[/tex]is equal to [tex]2y^{2}[/tex].
Learn more about division here
brainly.com/question/21416852
#SPJ2