Mathematics High School

Please help I will give Brainiest if correct!
What is the rate of change?

Answers

Answer 1

Answer: 2 is the correct answer I am 100% positive

Step-by-step explanation:

Answer 2

Answer: the rate of change is 2

Step-by-step explanation:

Related Questions

Identify the slope and y-intercept of the linear function 7 = 3x + y.

Answers

Okay I’m so scared wi I was our

Answer:

Slope: -1/3

Y-Intercept: 7

Step-by-step explanation:

slope: -a/b

y=c

what is the answer ..

Answers

Answer:

m = 5, -1/3

don't know if this is right or wrong

Answer:

if the questio is 3m-7 over 4 -2 than

Step-by-step explanation:

the awanser is 3/4m+ -15/4

if y=0.9 when x=2.4, find y when x=6.4

Answers

Answer:

2.4

Step-by-step explanation:

You have to divide 6.4 by 2.4 to get 2.66666666667.

Then you multiply 2.66666666667 and 0.9 to get 2.4

When x = 6.4, y = 2.4

Hope this helps!

The answer is that _______ 2.4

solve 7f + 6 = 27 show working out

Answers

Answer:

f = 3

Step-by-step explanation:

7f + 6 = 27 ( subtract 6 from both sides )

7f = 21 ( divide both sides by 7 )

f = 3

7f+6=27

7f=27-6

7f=21

Divide both sides by 7 to isolate f:

f=3

Hope this helps!

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[tex]GraceRosalia[/tex]

What is the measure of NRS?

Answers

Answer:

C. 113°

Step-by-step explanation:

(7x - 1) + 79° = 21x + 8

• An exterior angle of a triangle is equal to the sum of its two interior opposite angles.

[tex](7x - 1) +79 = 21x + 8 \\ 7x - 1 + 79 = 21x + 8 \\ 7x + 78 = 21x + 8 \\ 78 - 8 = 21x - 7x \\ 70 = 14x \\ \frac{70}{14} = x \\ 5 = x \\[/tex]

NRS = 21x + 8

[tex]21x + 8 \\ 21(5) + 8 \\ 105 + 8 \\ {113}^{o} [/tex]

Using the slope formula, find the slope of the line through the given points.
(12,0) and (4, -2)

Answers

Answer:

1/4

Step-by-step explanation:

We know :-

m = (y2 - y1)/x2 - x1

Substitute ,

m = ( 0 -(-2)) / ( 12-4) m = 2/8 m = 1/4

A box has 200 socks, 20 are blue and the rest are red. A person draws socks at random from the box, hoping to find a pair of blue socks. (a) Suppose that m socks are taken without replacement. Let Y be the random variable that counts the number of blue socks in the sample of m. What is the pmf of Y

Answers

Ummm i don't know what the pmf would be but the probability of grabbing a blue sock would be 10 out of 100...

Problem:
−(−8y−6.6z−10)
Please help me if possible!

Answers

your answer should be -8y + 6.6z + 10

The perimeter of an equilateral triangle is 12 inches. After a dilation, the
perimeter of the image is 42 inches. What is the scale factor of the dilation?

Answers

Based on the change in the perimeter, the scale factor of the dilation is 3.5.

The scale factor of the dilation refers to the number of times the triangle was dilated such that it went from 12 inches to 42 inches.

This dilation can be found as:

= Increased perimeter / Original perimeter

Solving for it would give:

= 42 / 12

= 3.5

In conclusion, the scale factor of the dilation is 3.5.

Find out more at https://brainly.com/question/8765466.

Twenty-three girls tried out for the cheerleading squad. Only 12 could be chosen for
the team. How many girls were not selected?
girls

Answers

Answer:

dude...

Step-by-step explanation:

also this is easy pz

Answer:

11 Girls

Step-by-step explanation:

23 - 12 = 11

6. 2(x + 6) = 3(x + 1)

7. -2(4x+1) = 3(x+3)

8. 2(5x + 9) = 10x + 18

9. -5(x + 6) = -5x + 9

10. (h+20) = -5(h-6)
11. 3(2x-5) = -(x+1)
12. -3(d+1) = -2(3d-9)

Answers

Answer:

Hope this helps you

Step-by-step explanation:

6. x = 9

7. x = -1

8. x = True of all

9. no solution

10. h = 5/3

11. x = 2

12. d = 7

which ordered pair is a solution to the equation

Answers

B) Only (1, 3)

2x + 3y = 10

Substitute (2,2) into the equation:
2(2) + 3(2) = 10
4 + 6 = 10 which is true

Substitute (1,3) into the equation:
2(1) + 3(3) = 10
2 + 9 is not equal to 10

i need help its math

Answers

Answer:

[tex]x=47[/tex]°

Step-by-step explanation:

ELPP PLS I SUCK AT MATHH D:

I didn't mean to click 1 but once you click it you cant unclick you can only change your answer

Answers

Answer:

If you were really that bad at math make it more than 6+ points lmoa and the answer is 1

Step-by-step explanation:

What is the midpoint of this segment

Answers

Answer:

(1,1)

Step-by-step explanation:

Could anyone help me with this? The question is provided on the attachment

Answers

Answer:

100°C

Step-by-step explanation:

Substitute in the values:

C = 5/9 × (212 - 32)

Simplify:

C = 5/9 × 180

1/9 of 180 = 20 (180 ÷ 9)

∴ 5/9 of 180 = 100°C (20 × 5)

Answer:

c=100C°

we learn that in intermational school

If a van traveled 180 miles in 3 hours, how far could the van travel in 7 hours?

Answers

Answer:

42 miles

Step-by-step explanation:

180/3=6 6x7=42

Answer:

420 miles in 7 hours

Step-by-step explanation:

You divide 180 by 3 to get how much the van is traveling per hour. When you get the answer 60 multiply it by 7 then you have 420 miles in 7 hours.

A. 6
B. 7
C. 12
D. 24

Answers

Answer:

Step-by-step explanation:

If you count, the number is 12. Then divide that number by 2. You get 6.

[you divide by 2 because you need to find the average. i rlly don't know how to explain better]

Answer:

The answer is A.

What is the value of h(3)?

–2
–1
1
2

Answers

Answer:

C) 1

Step-by-step explanation:

Hope this helps! Pls give brainliest!

Answer:

Step-by-step explanation:

h(3) means that x = 3. That's the right side of the x axis. At that point, h(3) has a y value of 1.

why is 3/8 bigger than 3/12

Answers

Answer:

3/8 is is bigger then 3/12

Step-by-step explanation:

The reason is that 3/12 is equivalent to 2/8 and 3/8 is equivalent to 6/16

Sorry if its wrong! ^^""

As, 0.375> 0.25, so, 3/8 is greater than 3/12.

Here, we have,

To get the answer, we first convert each fraction into decimal numbers.

We do this by dividing the numerator by the denominator for each fraction as illustrated below:

3/8 = 0.375

3/12 = 0.25

Then, we compare the two decimal numbers to get the answer.

0.375 is greater than 0.25.

i.e. 0.375> 0.25, as 0.375 - 0.25 = 0.125

Therefore, 3/8 is greater than 3/12.

Hence, As, 0.375> 0.25, so, 3/8 is greater than 3/12.

To learn more on subtraction click:

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Find the value of X, rounded to the nearest tenth.
A. 31.8
B. 31.4
C. 10.3
D. 10.7

Answers

Answer:

31.4

Step-by-step explanation:

x=18/sin35

x= 31.38

=31.4(nearest tenth )

write the equation for a line that passes through the points (5,5) and (7,-5)

Answers

This equation would be equal to y = -5x + 30

Answer:

y = - 5x + 30

Find the missing variable in the diagram below.

Answers

60 + (3x - 13) = (5x + 1)

60 + 3x - 13 = 5x + 1

3x - 5x = 1 - 60 + 13

-2x = -46

-2x / -2 = -46 / -2

x = 23

Answer: x = 23

A car travels the first 50km of its journey at an average speed of 25m/s and the next 120km at an average speed of 80km /h . The car completes the last part of its journey at an average speed of 90Km/h in 35 minutes . Find the average speed for its entire journey , giving your answer in km/h
Step by step

Answers

Answer:

What do you need me to do

Step-by-step explanation:

HELP! NOW!
During a sale at a store, sweaters are being sold at a 65% discount. Let x represent the discount on sweaters. The shirts have the same discount as the sweaters. Let y represent the discount on shirts. The pants do not have the same discount as sweaters. Let z represent the discount on pants. Which statement is true? A. x ≠ y B. x = y C. z = x D. y = z

Answers

Answer:

B. x = y

Step-by-step explanation:

Since sweaters discount (x) and shirt discount (y) are the same like we are told, then they are equal.

Jane lives 4.7 miles from the local ice

cream parlor while Sarah lives only 3.4 miles

from the same ice cream parlor. How many

more feet away from the parlor does Jane

live? How can I write it down.

Answers

Answer: 22

Step-by-step explanation:

The correct answer is 22 good luck :)

1. Find the product of 4 X 2 X 3 two different ways.

Answers

Answer:

6 x 4

8 x 3

The product: 24

Hope This Helps! •v•

Step-by-step explanation:

Answer:

6 x 4

8 x 3

The product: 24 K12 is how i know thx bye! :D

If the slope of a line and a point on the line are known, the equation of the line can be found using the slope-intercept form, y = mx + b. To do so, substitute the value of the slope and the values of x and y using the coordinates of the given point, then determine the value of b. Using the above technique, find the equation of the line containing the points (-4,7) and (2,-2).
What is the equation of the line?

(Simplify your answer. Type your answer in slope-intercept form. Use integers or fractions for any numbers in the equation.)

Answers

Answer:

y=-3/2x+1

Step-by-step explanation:

NOTE: Doing graphs by hand is a lot easier, it saves a lot more time as well.

Step 1: plot your 2 known points.

Step 2: draw a line that goes between both points

Step 3: find the distance of the points in RISE/RUN format.

-9/6. The slope is negative because the line goes down to the right.

Step 4: find your y-intercept.

Step 5: simplify your equation

-9/6 = -3/2

3(6k+5)+3(6k+4
The expression has to be equivalent.

Answers

Step-by-step explanation:

3(6k+5)+ 3(6k+4)

open the bracket

18k+15+18k+12=0

collect like terms

18k+18k+15+12=0

36k + 27 =0

36k=-27

k=-27/-36

divide through by 3

k= -9/-12

still divide through by 3

k=-3/-4

minus cancel minus

k=3/4

Solve the simultaneous equations
x-6y=5
xy - 2y2 = 6
-
Show clear algebraic working.

Answers

Answer:

(- 7, - 2 ) , (9.5, 0.75 )

Step-by-step explanation:

Given the equations

x - 6y = 5 ( add 6y to both sides )

x = 5 + 6y → (1)

xy - 2y² = 6 → (2)

Substitute x = 5 + 6y into (2)

(5 + 6y)y - 2y² = 6 ← distribute and rearrange left side

5y + 6y² - 2y² = 6

4y² + 5y = 6 ( subtract 6 from both sides )

4y² + 5y - 6 = 0 ← in standard form

(y + 2)(4y - 3) = 0 ← in factored form

Equate each factor to zero and solve for y

y + 2 = 0 ⇒ y = - 2

4y - 3 = 0 ⇒ 4y = 3 ⇒ y = [tex]\frac{3}{4}[/tex] = 0.75

Substitute these values into (1) for corresponding values of x

y = - 2 : x = 5 + 6(- 2) = 5 - 12 = - 7 ⇒ (- 7, - 2 )

y = 0.75 : x = 5 + 6(0.75) = 5 + 4.5 = 9.5 ⇒ (9.5, 0.75 )

(- 7, - 2 ) and (9.5, 0.75 ) are the solutions.

What is equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Here, we have,

Given the equations

x - 6y = 5 ( add 6y to both sides )

x = 5 + 6y → (1)

xy - 2y² = 6 → (2)

Substitute x = 5 + 6y into (2)

(5 + 6y)y - 2y² = 6 ← distribute and rearrange left side

5y + 6y² - 2y² = 6

4y² + 5y = 6 ( subtract 6 from both sides )

4y² + 5y - 6 = 0 ← in standard form

(y + 2)(4y - 3) = 0 ← in factored form

Equate each factor to zero and solve for y

y + 2 = 0 ⇒ y = - 2

4y - 3 = 0 ⇒ 4y = 3 ⇒ y = = 0.75

Substitute these values into (1) for corresponding values of x

y = - 2 : x = 5 + 6(- 2) = 5 - 12 = - 7 ⇒ (- 7, - 2 )

y = 0.75 : x = 5 + 6(0.75) = 5 + 4.5 = 9.5 ⇒ (9.5, 0.75 )

To learn more on equation click:

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Please help I will give Brainiest if correct! What is the rate of change?

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Please help I will give Brainiest if correct!
What is the rate of change?