Mathematics Middle School

someone help me please im very stuck

Answers

Answer 1

Answer:

(0,2)

Step-by-step explanation:

from y=mx+b to find the y intercept b

Answer 2

Answer:

y = -7

Step-by-step explanation:

It's a horizontal line so y is constant, it would be y = b because the slope is 0.

Since it passes through the point (5, -7) we can assume the line is at y = -7

Related Questions

What is the sum of 421, 237, 112, and 100?

Answers

Answer:

870

Step-by-step explanation:

Answer:

870

Step-by-step explanation:

4 2 1

2 3 7

1 1 2

1 0 0

_____

8 7 0

On a coordinate and point A is at (-3.0 -5.4) and point B is at (-3.0, 5.4) Point B is a reflection of point A across the -axis. Input either a lowercase x or y

Answers

Answer:

reflection of y-axis

Step-by-step explanation:

Reflection of y-axis

The profit y(in dollars) for a business from selling x coats is represented by y=47x . Graph the equation.

Answers

(1,47) (2,94) (3,141)
HOPE IT HELPS

The graph of the equation is attached .

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

The slope-intercept form of the line equation

y= mx + c

where m is the slope

b is the y-intercept

We are Given that the profit y (in dollars) for a business from selling x coats is represented by the equation

y=47x .

Now comparing with the slope-intercept form of the line equation;

m = 47

We know that the value of the y-intercept can be determined by setting x = 0

substitute x = 0 in the equation

y = 47(0)

y = 0

Thus, the y-intercept b = 1

Thus,

The slope m = 47

The y-intercept b = 1

The graph of the equation is also attached.

(1,47) (2,94) (3,141)

Hence, the line passes through the origin with the y-intercept 0.

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What decimal is equivalent to 3%?

a
3.0
b
.003
c
.3
d
.03

Answers

the answer is d, have a good day

Answer:

Step-by-step explanation:

Percent is out of a hundred.

3%=3/100 which is .03

PLEASE ANSWER AS FAST AS POSSIBLE

Ramon earns $1,735 each month and pays $53.10 for electricity. To the nearest tenth of a percent, what percent of Ramon's earnings are spent on electricity each month?

Answers

divide 35.10 by 1,735 to get the percent which is 0.0306051873, move the decimal to the right 2 times n u get 3,06 but u said nearest tenth so it’ll be 3.1%

3.1% should be the correct answer

What point is 5 units left and 2 units down from (1,2)?

Answers

Answer:

-4,0

Step-by-step explanation:

5,2

1,2

___

-4,0

8 it’s 8 okayyyyyyyyyyyyyyyyyyy

help now please i really need help with this

Answers

It would be the second one

Answer:

second table i believe (3/5, 6/10, 12/20).

Step-by-step explanation:

Anna spent $42 of her savings on music downloads. if the amount she spent was 30% of her savings, how much savings did she have before downloads

plzzzz help

Answers

42/x = 30/100
Flip to get x on top and multiply 42 by 100. You get 4200 and then div that by 30 to get 140.
She had 140 before downloads

i solved this nd i agree with them^^

HELPPPP IM BEGGING YOU!!!!!!!!

the family flew in an airplane to their vacation destination. Each person had to have their own ticket for the plane and also pay 25$ in insurance fees per person. What was the cost of one ticket?

Answers

Answer:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Step-by-step explanation:

Answer:

Step-by-step explanation:

At a school carnival, tickets can be purchased to participate in different activities. The table shows the total cost for different numbers of tickets.

What is the constant of proportionality that relates y , the total cost in dollars, to x , the number of tickets purchased?

PLZ I HAVE TO FINISH THIS TEST TODAYYY

Answers

Answer:

4 tickets for $1

Step-by-step explanation:

I just divided 8 with 2.00 and got 4.

The value of the constant of proportionality that relates y, the total cost in dollars, to x, the number of tickets purchased is 1/4.

What is a proportional relationship?

It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

It is given that:

At a school carnival, tickets can be purchased to participate in different activities.

The data are shown in the picture.

From the data:

y ∝ x

Removing the proportional sign:

y = kx

Plug x = 8

y = 2

2 = 8k

k = 1/4

Thus, the value of the constant of proportionality that relates y, the total cost in dollars, to x, the number of tickets purchased is 1/4.

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Plant B is 623 inches tall. Plant C is 4415 inches tall. Complete the sentences and show your reasoning.
Plant C is _______ times as tall as Plant B.
Plant C is _______ inches ____________ (taller or shorter) than Plant B.

Answers

Answer:7.08

Step-by-step explanationall you had to do was divide and plant C is 7.08 times as tall and plant C is 5 ft 10 inc taller

Answer:

plant c is 7.08 times as tall and 3792 inches taller than plant b

A skydiver falls at a rate of 144 feet in three seconds. How far is he falling each second?

A) 141 ft
B) 432 ft
C) 48 ft
D) 147 ft

Answers

the correct answer is c

The correct answer is C

At the start of the month,the value of an investment was $48.45.By the end of the month, the value of the investment changed by a loss of $13.8.What is the value, in dollars,of the investment at the end of the month?

Answers

Answer:

34.65$

you just subtract the 13.8$ from the 48.45$

Which statement best describes the relationship between the two cylinders shown below? (Use 3.14 for π.)

The volume of the cylinder on the left is greater.
The volume of the cylinder on the right is greater.
The volumes are equal.

Answers

Answer:

The volume are equal

Step-by-step explanation:

Because when you multiply them both they are still equal.

Answer:

actually the one on the right is greater

do the math nhkbnhijo

Step-by-step explanation:

Which ordered pair is located on the x-axis?

(0, -5)
(0, -5)

(1, -5)

Answers

Answer:

-5,0

Step-by-step explanation:

Evaluate.

−8/125−−−−√3

Answers

Answer:

- (2/5)

Step-by-step explanation:

-(2/5)

I wish you success in your lessons

9. The two figures below have a scale factor of 3 : 2. What is the value of x?

Answers

C I think hope this helps

The value of x can be found by setting up a proportion based on the given scale factor of 3:2 is 16/3 units.

The breadth of the first parallelogram is 8 and the breadth of the second parallelogram is x.

Setting up the proportion, gives:

8/3 = x/2.

To solve for x, cross-multiply:

[tex]8 \times 2 = 3 \times x.[/tex]

Simplifying the equation, gives:

16 = 3x.

Next, divide both sides of the equation by 3 to isolate x:

x = 16/3.

Therefore, the value of x is 16/3.

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PLEASE HELP QUICK!

There are 3 questions pleas answer them all

Answers

Answer:

First and second are line A, and the third is line

A rectangular prism has a volume of 1,200 cubic units. The area of the base is 80 square units.
What is the height of the prism?
(Show work)

Answers

Answer:

v= whl

1200= h X 80

1200/ 80 = h

so the height is 15 unit

Step-by-step explanation:

ANSWER : 15 units

v = h * l * w OR v = h * a

a = l * w

1,200 = h * 80

1200/80 = 15 units

Mr. Jamison will stain the deck in his backyard, the deck has an area of 752.4 sqaure feet. If the deck is 33 feet long how wide is it? Justify your procedure.

Answers

answer:The width of the deck is 22.8 feet.

Step-by-step explanation:

Since we have given that

Area of the deck = 752.4 square feet

Length of deck = 33 feet

Let width of deck be 'x'.

Since Deck is in the shape of rectangle.

As we know the formula for "Area of rectangle ":

\begin{gathered}Area=Length\times width\\\\752.4=33\times x\\\\\dfrac{752.4}{33}=x\\\\22.8=x\end{gathered}

Area=Length×width

752.4=33×x

752.4

22.8=x

Hence, the width of the deck is 22.8 feet.

Coal mines have shafts that can be as much as 7^3 feet deep. About how many feet deep into the Earth's crust are these shafts?

Answers

Answer:

343

Step-by-step explanation:

7 x 7 = 49

49 x 7 = 343

The coal mines is 343 feet deep into the Earth's crust are these shafts.

What is Unit of Measurement?

A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.

Given that Coal mines have shafts that can be as much as 7³ feet deep.

We need to find about how many feet deep into the Earth's crust are these shafts.

From the given it is 7³ feet deep.

So let us find the value of 7³

7×7×7

49×7

Forty nine times of seven

343

Three hundred and forty three.

So the coal mines is 343 feet deep into the Earth's crust are these shafts.

Hence, the coal mines is 343 feet deep into the Earth's crust are these shafts.

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Ming and Omar are partners in a reading contest. Together they need to read 31 books each month for 3 months. Ming has read 16 books. Omar has read 23 books. About how many more books do they need to read?

Answers

Answer:

Step-by-step explanation:

Answer:

54 books.

Step-by-step explanation:

In 3 months they need to read 3*31 = 93 books.

Number needing to read = 93 - (16 + 23)

= 93 - 39

= 54 books.

NEED HELP NOW!!!!!!!!!!!!!!!!!!!!!!!!!!
WILL AWARD BRAINEST!!!!!!!!!!!!!!!!!!!!!!

On a coordinate plane, 2 straight lines are shown. The first solid line has a negative slope and goes through (negative 2, 3) and (0, negative 1). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 2) and (1, 0). Everything to the right of the line is shaded.

Which inequality pairs with y≤−2x−1 to complete the system of linear inequalities represented by the graph?

y −2x+2
y 2x−2

Answers

The answer for this is y-2x+2

I agree it’s y - 2x+2

Jake and his older brother are canoeing in a creek near their home. If they paddle at a steady rate of 4 mph, how far will they travel in 3 hr.?

Answers

Answer:

12 miles

Step-by-step explanation:

mph = mile per hour

So if they travel 4 miles per hour, 4(3) = 12, they will travel 12 miles by 3 hours

Answer:

dude that's 12

Step-by-step explanation:

just multiply 4 mph times 3 hr

convert 5 killogram into grams . here are the answer choices A.5,000 B.500 C.50 D. 5,500

Answers

The answer to this question is 5000

A. 5,000 hope this helps

Write a ratio equivalent to the ratio 10:15.
a. 15:10 c. 10:30
b. 80:120 d. 40:75

Answers

Answer:

B is correct

Step-by-step explanation:

Multiply both sides by 8

Answer: i think it is B 40:75

Step-by-step explanation: i hope this helps have a blessed day

HELP!!!!!!!!!!!
The cost of a ticket to an amusement park is $42 per person. For groups of up to 8 people, the cost per ticket decreases by $3 for each person in the group. Marcos's ticket costs $30. Write and solve and equation or inequality to find the number of people in Marcos's group.
7th Grade Mathmatics

Answers

There are 4 people that all I know hope this helps a little

Which the answer you should get is 4 I hope this helps:)

In the scale used on a blueprint, 1/2 inch represents 4 feet. On the blueprint, what is the length of a room with an actual length of 28 feet?

Answers

Answer:

3 1/2"

Step-by-step explanation:

All I did was multiply 4 into 28, take that variable and divided it by 2

Answer:

3 1/2

Step-by-step explanation:

Sorry this is late.

A student said, “To find the value of 109.2÷6, I can divide 1,092 by 60.”

Do you agree with this statement? Explain your reasoning.
Calculate the quotient of 109.2÷6 using any method of your choice.

Should I do what can 6 go into 1,10,109? or just do the whole thing? (But not the 2 yet)

Answers

Answer:

I agree with the statement.

Step-by-step explanation:

As long as both numbers are being multiplied by the same quantity, you will always end up with the same number.

Find f(9) if f(x) = x-13

Answers

f(9) = 9 - 13
Solution: f(9) = -4

Answer:

f(9)=-4

Step-by-step explanation:

f(x)=x-13

f(9)=(9)-13

f(9)=-4

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