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3 years ago

Identify the like terms pairs; select all that apply. 8r + 3s + 8 – 3s – 4r

Mathematics

1 answer:

Makovka662 [10]3 years ago

5 0

8r and 4r are like terms since they both have an r

also 3s and -3s are also like terms because of the s

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Lauren brings brownies to class one day. She gives 3/5 of them to her friends Gareth, Tammy, and Camilla. If she gave them 21 br

fomenos

If 3/5 of all the brownies is 21, then 5/3 of 21 is the number of the brownies that Lauren brought in.

That probably sounded super confusing. When multiplying a number by a reciprocal of a fraction (a fraction where the numerator and denominator is reversed), the previous fraction multiplication is reversed.

Multiplying 21 with 5/3 will give us the original number of brownies.

$21 \times \dfrac{5}{3}=35$

Lauren originally brought 35 brownies.

3 0

3 years ago

Read 2 more answers

A piece of paper is 4/1000 inches thick. how many sheets of paper will it take to make a stack 1 inch high

mihalych1998 [28]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~~~~

If a paper is 4/1000 inches think, how many of them will it take to equal 1000?

Well... if we take 1000 divided by 4 we get 250.

So 250 sheets of paper would be 1 inch thick...

4 0

3 years ago

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Shannon is planning her 13th birthday party. It costs $150 to rent the room and $20 for food for each person. How many people ca

Kobotan [32]

Answer:

Step-by-step explanation:

first, subtract 350 and 150 to get 200. then divide 200 by 20 to get the maximum amount of people, which leads to 10 people. hope this helps

8 0

3 years ago

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Plz help! ASAP! What is the expression shown below

astra-53 [7]

we are given

$\frac{1}{2} (\frac{3}{2} x+6x+1)-3x$

step-1: Simplify expression inside parenthesis

we will combine like terms

so, firstly we will take common denominator

$\frac{1}{2} (\frac{3}{2} x+\frac{2*6}{1*2}x+1)-3x$

$\frac{1}{2} (\frac{3x+12x}{2} +1)-3x$

$\frac{1}{2} (\frac{15x}{2} +1)-3x$

step-2: Distribute 1/2 inside

$=\frac{1}{2} *\frac{15x}{2} +1*\frac{1}{2}-3x$

$=\frac{15x}{4} +\frac{1}{2} -3x$

step-3: Combine like terms

$=\frac{15x}{4}+3x +\frac{1}{2}$

We can find common denominator

$=\frac{15x}{4}-\frac{4*3x}{4*1} +\frac{1}{2}$

$=\frac{15x}{4}-\frac{12x}{4} +\frac{1}{2}$

$=\frac{15x-12x}{4} +\frac{1}{2}$

$=\frac{3x}{4} +\frac{1}{2}$

we can also write it as in mixed form

$=\frac{3}{4}x +\frac{1}{2}$

so, we will get

$\frac{1}{2} (\frac{3}{2} x+6x+1)-3x=\frac{3}{4}x +\frac{1}{2}$

option-C.............Answer

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4 years ago

Solve this using the substitution method please!! Y=425x+1139/Y=495x

Vinvika [58]

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3 years ago