Mathematics Middle School

Will give brainlist to the best answer if possible!! 10 points please help
Solve the system of equations by graphing.

Answers

Answer 1

Answer:

x = -2, y = -4 (-2,-4)

Step-by-step explanation:

1. Substitute "y = 2x+ in for y in "x + y = -6"

x + 2x = -6

2. Combine like terms:

3x = -6

3. Isolate x:

3x/3 = -6/3

x = -2

4. Substitute the new x-value in one of the equations:

y = 2(-2)

y = -4

The graph should look like the picture attached.

hope this helps :)

Related Questions

I would be grateful if someone would help me please.

Answers

Answer:

-39 = -43 + y/11 is

y=44

Hope this helps!

the answer is y= 44 i think

16 POINTS!!!
Which answer choice shows a correct inequality statement? a. b. c. d.

Answers

Answer:

The answer is D

Step-by-step explanation:

I turned all the fraction into decmials so it would be

- 3.46 < -2.33 < -0.75 < 3.2 < 6

As you can see these are all true statements (Don't let the negitives confuse you)

i’m pretty sure the answer is D.

please help me with this

Answers

(-2.5,2) i would say is about the approximate

To look for it just look at the lines intersecting

Approximately (-2.5,2) in Quadrant II

Maria made a rainbow. How much space does it cover if it was 25 cm long and 12.5 cm high?

Answers

Answer:

312.5

Step-by-step explanation:

This is as easy as 25*12.5

Rectangle ABCD, B, C, and D are graphed in the coordinate plane. The following are the vertices of the rectangle: A(-8, 3), B(-3, 3), and C(-3, 6), D(-8, 6). What is the area of rectangle ABCD?

Answers

Answer:

360

Step-by-step explanation:

Becuase ifyou graph these coordinates you get a rectangle

Then you have 6 as the width

10 as the length and 6 as the height

then you multiply 6 times 10 times 6 which equals 360

Find the volume of the prism.

Answers

576cm cubed

I think that is the answer

volume of prism= 1/2 x b x h x H
1/2 x 8 x 6 x 12
= 288cm^3

Yikes!
Mr. Weiser is making flags of various countries for an international convention. On the flag of Namibia, he sees that the red diagonal band divides the flag into a blue triangle at the top and a green triangle at the bottom. He measures the three sides of the triangle to be 66 centimeters, 112 centimeters, and 130 centimeters.

What must be true to prove that the green triangle on the flag of Namibia is a right triangle?

A.
662 + 1122 > 1302
B.
1302 + 1122 = 662
C.
66 + 112 > 130
D.
662 + 1122 = 1302

Answers

Answer:

c is the best answer

Step-by-step explanation:

because it has all the correct numbers from your passage there

Interpret two-step equation word problems (7th grade math)
5 stars for correct anwsers
byyeee

Answers

Answer:

just switch the two at the top

Switch the two top that’s all

Match the base to the corresponding height.

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Answer:

i tryed to work it out but i got it wrong there is a video on yt u can watch it it helps

Step-by-step explanation:

3,1 2,2 1,3 that should be right

Can anyone solve this correctly?

Answers

Steps:
Solve for the area of each circle and then subtract

Can anyone help me pls ( I'll give brainliest) no links pls

Stephanie is helping her band collect money to fund a field trip.
The band decided to sell boxes of chocolate bars. Each bar sells
for $1.50 and each box contains 20 bars. Below is a partial table
of monies collected for different numbers of boxes sold.
Boxes Sold (b) Money Collected (m)
1 $30
2 $60
3 $90
4 $120
5 $150
6 $180
7 $210
8 $240

1.) Complete the table above for all values of m.

2.) Which is the independent variable?

3.) Which is the dependent variable?

4.) Write an equation for the amount of money, m, that will be
collected if b boxes of chocolate bars are sold.

5.) Graph the equation using the ordered pairs from the table
above.
(Don’t forget to label your axes and increments!)

6.) How much money will be collected if 100 boxes of chocolate
bars are sold?

7.) The band collected $1530 from chocolate bar sales. How
many boxes did they sell?

Answers

Answer:

Step-by-step explanation:

for the table for every box just add 30 more dollars 1.5x20=30

The independent variable is I believe the box of candy bars

And the dependent is the money collected

m=30b since a 1 box is 30 dollars

m=30(100)

m=3000 they will make 3,000 dollars with 100 boxes

1530=30b

/30. /30

51=b

51 boxes of chocolate bars when they make $1530 dollars

Graph will be below

Please help me with the problem below!!

Answers

lamb - 1/4safety - 1/6Alabama - 4/7

hope it helps...!!!

Answer:

Lamb - 1/4

Safety - 1/6

Alabama - 4/7

Step-by-step explanation:

brainliest please

(Repost) School is starting, and the teacher is giving each student 2 new pencils. She has 8 rows with 4 desks in each row. Which method (s) below will show her how many pencils she will need?
A. 2 x 8 + 16, 16 x 4
B. 2 x 4 + 8, 8 x 8
C. 4 x 8 + 32, 2 x 32
-------------------------------------
A. Only method A
B. Only method A and B
C. Only method B and C
D. Only method A, B, and C

Answers

2 x 8+16 = 32 16 x 4 = 64

2 x 4 +8 = 16 8 x 8 = 64

4 x 8 + 32 = 64 2 x 32 = 64

1 l l l l 8 5 l l l l 40

2 l l l l 16 6 l l l l 48

3 l l l l 24 7 l l l l 56

4 l l l l 32 8 l l l l 64

The teacher has 64 or more pencils to give out.

Hope this helps you choice your answer. :)

D.) only method A, B, and C,

Brainliest, hurry! Thank you so much! :D

Answers

Answer: 20/4.

Step-by-step explanation: As we can see, the number line is cut up into fourths. 4 fourths make a whole, so 20 fourths make 5. Therefore, 5 in a fractional form for this number line is 20/4.

Have a great day! :)

Answer:

5/1

Step-by-step explanation:

5/1 means 5 because there are 5 1's.

Find the value of the power.

Answers

Answer:

A power of two is a number of the form 2n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent.

...

Powers of two whose exponents are powers of two.

n 2n 22n (sequence A001146 in the OEIS)

1 2 4

2 4 16

3 8 256

4 16 65,536

Step-by-step explanation:

7^5= 16807

explanation:

the power is 5

so it would be 7x7x7x7x7

and the equals 1680

so the value of the power is 5

I’ll give brainliest!!! On the coordinate plane below, what is the length of AB?
84
174
64
5-
3-
2-
-10--8-7-6-
8 x
-2-
3-
с

Answers

Answer: the answer is 14

I got this answer because I took the same quiz and I am homeschooled too, I'm quite a few weeks ahead so this 14 is correct.

Step-by-step explanation:

where is the coordinate plane?

THEREEEEEEE U GOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

Answers

Answer:

OKKK

Step-by-step explanation:

Answer:

Step-by-step explanation:

Elena wants to create a triangle shaped garden that has an area of 36 square feet Name all the different dimensions her triangle can be in feet. Pls help

Answers

Answer:

Base = 18 Height = 4 (this is an example)

Step-by-step explanation:

Given that the triangle has an area of 36 square feet, and that the triangle area formula is A=1/2bh (b being the base, and h being the height), we can fill in the formula to get the dimensions.

To find the given numbers, we need to find what numbers are divisible to by 2 to get 36. For instance using the formula A=1/2bh, we can plug in the factors that make up 72 (if you divided it by two you will get 36). Example of this is 18x4, so we can plug it into the equation to prove it through factor trees (feel free to reach out if you have a question about those). Plugging 18 and 4 will give 18x4 divided by 2 = 36.

i for sure know the answerrr

Answers

it's incorrect. (false) to find the constant of proportionality, divide the cost by the number of golf lessons for each column (ex. 40 divided by 2) and if they all equal the same thing it's proportional, if not, it's not proportional. so the answer is no, it's not proportional. have a good day :D

The semi circle has a diameter of 5 meters what is the area of this figure use 3.14 to for pi enter your answer as a decimal in the box Round your answer to the nearest hundredth !

Answers

Answer:

Step-by-step explanation:

So if the area of a circle is pi times the radius squared, since it is a semi circle, you would to 3.14 times 5 squared /2 to find the answer to the question.

What's the expression? lol

Answers

Answer:

A=2(wl+hl+hw)=2·(3·3+3·3+3·3)=54

Step-by-step explanation:

w = width

l= length

h= height

i hope this helps <3

please help me with math problem

Answers

Answer:It Is The Last 1!

Step-by-step explanation:

pls help with this assignment D:

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Answer:

ok, i don't remember this math but! all the questions it ask count the beans count like on , 3/8 count as u see it says 4. and with adding that i dont have time to do um here.

Step-by-step explanation:

1.4 2.3 3.5 4.1 5.1 6.14? if wrong im tired but for next time count and add i think

(HELP ASAP)
Using all of the sources,which statements best explain how specialization affected the economic development of regions in the United States?

Select the THREE correct answers.

A: The west became a major supplier of manufactured goods for Northeast.

B: The Midwest became a major grain-growing region of the United States.

C: the north became dependent on workers who migrated from the South.

D: The south hat to import most of Ts food to feed its growing population.

E: The south began to produce more cotton than any other region

F: The northeast became a center for manufacturing and industry.

G: The north and south produce similar crops and goods.

Answers

Answer:

Whatever you think Hot shot, We don't have the article!!

Step-by-step explanation:

Dear ???,

Re-read and find out your ASAP answer yourself,

Thank you,

????

.............................

Answers

Answer: Sandy, do not overlap

Step-by-step explanation:
To find the volume of a rectangle, you use the formula

volume = length x width x height

the height of both rectangles is 8

The height of the top rectangle is 4

So you take the 8-4 to get the height of the bottom rectangle which is 4.

By finding that it shows that Sandy’s volume equation is correct, and the shape shows no signs of overlap.

whats 40 x 50 x 6 - 100

Answers

11900 Because 40 times 50 equals 2000 and 2000 times 6 equals 12000 and 12000-100=11900

the answer is 11900 when using pemdas

help me with this question please the one on top helps you answer the question

Answers

Answer:

Step-by-step explanation:

rise (x) over the run (y), which would be 2/1. And you would multiply 2 x.5 to get to 1.

Answer:
.5
Use rise over run

Describe the shapes of the graphs for Mr. Wright's class
and Mr. Chu's class.

Answers

Answer:

Mr. Wright's class: positively skewed
Mr. Chu's class: negaitvely skewed

Step-by-step explanation:

help it a different question i solve but i don't get it

Answers

Answer:

84 cherry tomatoes

Step-by-step explanation:

If he is making 6 large salads and 4 small salads you need to add up the amount of tomatoes that are needed for each salad.

6 large salads - 10x6= 60

4 small salads - 6x4= 24

60+24= 84

Answer:
84 cherry tomatoes

Steps:
10 cherry tomatoes per 1 large salad
6 cherry tomatoes per 1 small salad.

10L * 10S = T

Jorge is making 6 large and 4 small salads.

So therefore:
(10 * 6) + (6 * 4) = 84

Evaluate the expression 8 + 6 − (8 ÷ 4) x 2 using PEMDAS. (4 points) 21 17 14 10

Answers

Answer:

The answer is 10

Step-by-step explanation:

You have to do 8/4 which is 2 then multiply it by 2 which is 4 then add 8 + 6 which is 14 and then subtract it by 4 which is 10.

Answer:

Step-by-step explanation:

8/4 which is 2

multiply it by 2 which is 4

add 8 + 6 which is 14

then subtract it by 4 which is 10.

I also got it correct on a test

Other Questions

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Will give brainlist to the best answer if possible!! 10 points please help Solve the system of equations by graphing.

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Will give brainlist to the best answer if possible!! 10 points please help
Solve the system of equations by graphing.