Mathematics Middle School

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Answers

Answer 1

Answer:

I can't seem to solve these but hope this information helps :)

Step-by-step explanation:

Remove any grouping symbol such as brackets and parentheses by multiplying factors.

Use the exponent rule to remove grouping if the terms are containing exponents.

Combine the like terms by addition or subtraction.

Combine the constants.

Answer 2
Answers:

6. 4x
7. 3y
8. y - 4.5
9. 3.5x + 2

Related Questions

Write an equivalent expression in word form. (1 - 1/3) ÷ 2

Answers

Answer:

If you eat 1/3 of a whole pie, then you have to share the rest with your sibling(friend, etc)

Step-by-step explanation:

Answer:

1/3

Step-by-step explanation:

Directions: Answer the following questions, showing all pertinent work. Paul has a 40 ft. by 30 ft. pole barn on his farm that he wants to move. The southeast corner of the pole barn is currently located 50 ft. west and 25 ft. north of the stock tank where the cows get their water. Paul wants to move the pole barn so the southeast corner of the barn is located 80 feet east and 80 feet south of the stock tank. 1. Complete the transformation statement for moving Paul’s pole barn. (x, y)→(x + _______ , y + _______ ) —continue to the next page—

Answers

Answer: (x + 130, y - 55)

Step-by-step explanation: If the southeast corner of the pole barn is the only reference point, it only requires this one point and not the size of the barn.

Let's set this up first: West/South= Negative x/y, and East/North= Positive x/y.

Currently, the corner is at -50, 25. The corner needs to be moved to 80, -80.

For x: |-50|+80=130

For y: |25|+(-80)=-55

The formula for this is |a|+b=c.

This leaves it with (x + 130, y - 55)

PLEASE HELP NO TROLLS
5. Find the measure of angle A. *

Answers

30 degrees. A triangle is 180. The right angle is 90.
90=7x-10+3x
add ten to both sides and combine like terms
100=10x simplify
10=x now substitute
3x
3(10)=30

Estimate the square root to the nearest (a) integer and (b) tenth.
27
V 4
a. nearest integer: 3
b. nearest tenth: 2.6



Please explain how a) and b) is true so I can show my work asap

Answers

nearest tenth: 2.6 because

what is 34 x 222 x 4 5 - 67

Answers

Answer:

339593

Consider geting me brainliest if this helped

Answer:

= 339593

Step-by-step explanation:

Hope this helps!

Have a nice day ♥

2+2 equals what any answer is ok

Answers

4, could you mark brainliest?

PLEASE HEELLLLP WILL MARK BRAINLIEST

Answers

Answer:

312km

Step-by-step explanation:

1. Multiply. 4800 x 7% = 3744

2. Divide. 3744 / 12 = 312km sq.

So the area after 12 years is 312 km sq.

Answer:

2,009.2

Step-by-step explanation:

4,800×(1−7%)^(12)

2,009.2

hope it helps

A triangle has a height of 5 feet and a base of 6 feet.

What is the area of the triangle?

A=One-half(6)(5) = 8 square feet

A=One-half(6)(5) = 8.5 square feet

A=One-half(6)(5) = 15 square feet

A=One-half(6)(5) = 30.5 square feet

if u like r o b l o x / gacha follow lxcal...luna if you want

Answers

Answer:

15 because of the base of triangle Is falana dhimkana

15 because the way you answer is B*h*1/2= area

If 4 students represent 16% of the class then how many students are in the class

Answers

Answer:

In total there are 25 students in the class.

Help please! Will give brainliest to best CORRECT answer! The ratio is the number of boys to girls in the class is 1:6. Which statement MUST describe the class? (Please look at the image attached to solve this, and ignore what answer I chose.)

A. There are exactly 7 students in the class.

B. There is 1 boy for every 6 girls in the class.

C. There are 5 more girls than boys in the class.

D. There is 1 boy out of the 6 students in the class.

Thanks and have a great day! <)

Answers

Answer:

B. There is 1 boy for every 6 girls in the class.

Step-by-step explanation:

Since the ratio is 1 boy per 6 girls and we don't know how many students there are then B is the best answer

hope this helped :))

Answer:

B. There is one boy for every 6 girls in class.

Step-by-step explanation:

When you have a ratio, it compares two numbers. When you have a ratio 1:6 the colon  there can be read as "is to" or "for every".  

That means that ratio can be read as 1 is to 6 or "there is 1 for every 6."

In this case 1:6 represents the number of boys to the number of girls to class. This means that there is 1 boy for every 6 girls in class.

Hope

Heey someone plz help me quick! thx :))

Answers

Answer:

109

Step-by-step explanation:

every straight line equals 180 so the sum of the angles should add up to 180

180-71= 109

side note- interior angles add up to 180

I think the answer is 109

Select the best estimate for the diameter of a quarter.
A. 0.20 mm
B. 20 mm
C. 200 mm
D. 20 cm

Answers

Answer:

B (20 mm)

Step-by-step explanation:

The diameter is actually 19.05, so 20 is very close.

It’s B. The diameter of a quarter is 19.05 mm which you can round to 20 mm

12 + 3 to the power of 2 + 50

(using PEMDAS)

Answers

First you do 3 to the 2nd power which is 9 then you just add 12+9+50= 71

Answer:

71

Step-by-step explanation:

Which conversion requires multiplication?

Decimeter to meter

Meter to kilometer

Kilometer to meter


Millimeter to centimeter

Answers

Answer:

Kilometer to meter

Step-by-step explanation:

I hope this helps.

Answer:C) kilometer to meter

Step-by-step explanation:

Brainliest to right answer

Answers

Answer:

C

Step-by-step explanation:

N/A

I think it’s c
Have an amazing day

Fill in the blanks to complete the equation that describes the diagram.

Answers

Answer:

4+ -6 = -2

Hope this helps! Have a nice day!

Step-by-step explanation:

Answer This Question. Good Luck!

Answers

Answer:

Number of marbles. 50

Step-by-step explanation:

I'm sorry, i don't know the last part tho... :_>

Please I will give brainiest

Answers

Not sure if this is accurate but i multiplied everything to get 243/2, 121.5, or 121 1/2

Answer:

33 cm

Step-by-step explanation:

I will just show my work

9×3=27 cm (is the area of the rectangle)

1 1/2+1 1/2=3

9-3=6(the bottom of the triangle)

To find the area of the triangle

Area=1/2 of the base times height

6+27=33 cm

a circle has a diameter of 20 inches. what is its radius?
a. 400 inch
b. 40 inch
c. 20 inch
d. 10 inch

Answers

D. 10 inches

As the radius is half the diameter
d, 10 inch. radius is half of the diameter

two weeks ago i bought 2 cupcakes last week i bought 7 today id like to follow this pattern how many cupcakes do i want

Answers

2+5=7
7+5=12

The answer would be 12

The increment of cupcakes is 7 - 2 = 5 thus with follow this pattern the number of cupcakes today will be 7 + 5 = 12 cupcakes.

What is the pattern?

A pattern is a specific arrangement of numbers or any term which will follow a specific code or hint.

Another example is 2,4,16,256 in this pattern each term is the square of the previous term and this will become its specific pattern.

As per the given,

Number of cupcakes in two weeks ago = 2

Number of cupcakes in last weeks ago = 7

Increment of cupcakes = 7 - 2 = 5

Thus,

Number of cupcakes in today = 7 + 5 = 12

Hence "The increment of cupcakes is 7 - 2 = 5 thus with follow this pattern the number of cupcakes today will be 7 + 5 = 12 cupcakes".

For more information about the pattern,

brainly.com/question/14013716

#SPJ3

Help me please just help me please

Answers

The final answer is 28!!

Last year’s spell-a-thon spelling test for a first grade class had 15% more words with four or more letters than this year‘s spelling test. Next year, there will be 5% less than this year. What percent more words have four or more letters in last year‘s test then next years?

i will give 25 points and brainliest

Answers

Yes the answer is 25%

Write a ratio and a percent for the shaded area.
Please help, ASAP!!

Answers

41% and 0.41 im not sure for the last one but hope im right !!
41% is the answer to this

A farmer saw some chickens and pigs in a field.
He counted 30 heads and 84 legs. Determine exactly how many chickens and pigs he saw.
WRITE A SYSTEM OF EQUATION THAT WOULD SATISFY THIS SCENARIO (2 Equations)
Need now halp

Answers

Answer: 12 pigs×4 legs=48 legs

18 chickens×2 legs=36 legs

48 legs+36 legs=84 legs

12 are pigs and 18 are chickens

Step-by-step explanation:

Help me please !!!!!!!!!!

Answers

Answer:

the answer is b 26. Easy

Step-by-step explanation:

must use a ruler

7/8 x 9/8 Please help

Answers

Answer:

Fraccion form: 63/64

Decimal form: 0.98438

Question 6 (1 point)
(06.02 MC)
Which of these is the algebraic expression for "5 less than 4 times some number?" (1 point)

Question 6 options:

1)

5 − 4y

2)

4 − 5y

3)

5y − 4

4)

4y − 5

Answers

Answer:

4

Step-by-step explanation:

Write the coordinate for the location of the star.

Answers

I cant see the location of the star can u please take another picture of the question

PLEASE HELP WILLLLLL GIVE BRAINLIEST!

Answers

Answer: 64yd

Step-by-step explanation:

6x4x4x4x4

Answer:

40 yd^2

Step-by-step explanation:

4*4=16, 6*8/2=24, 24+16=40

On Christian's shelf are:

6 mystery books
5 science books
4 history books
3 adventure books
Christian will randomly choose 1 book to read. What is the probability he will not choose and adventure book? Answer in simplest fraction form.

Answers

Answer:

5/6

Step-by-step explanation:

Other Questions
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