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DedPeter [7]
3 years ago
10

Which expressions are equivalent to this expression?

Mathematics
2 answers:
Oxana [17]3 years ago
6 0
All expressions except D are equivalent to 4r+4
olasank [31]3 years ago
6 0
Hey

In Algebra you can add like terms but can’t add or subtract unlike terms.What this means is you can add 1a to 4a but you can’t add 1a to 4.

Think if it like this:you can add 3 cars to 4 cars but you can’t add 3 cars to 4 trucks OK?

So for A we can add the terms and find we have an anwer if 4Runner+4.
For 2 to multiply out the brackets you must multiply the term before the bracket with the term in the brackets.
So you have to multiply 2 with 2r and 2 with 2. Which gets us 4R +4.
For 3 same thing add them to get 4R +4.

But for D. When you multiply out the brackets you get 4R+16.

So the answer is A,B,C
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What is the simplified value of this expression pls help
tester [92]

Answer:

7

Step-by-step explanation:

Remove parentheses.

\frac{-8+4(4.5)}{6.25-8.25} \\

Add −8 and 4.5.

\frac{4(-3.5)}{6.25 - 8.25} \\\\

Subtract 8.25 from 6.25.

\frac{4*-3.5}{-2}

Multiply 4 by −3.5.

\frac{-14}{-2}

Divide −14 by −2.

= 7

7 0
3 years ago
PLEASE HELP ON THESE TOO! THANK YOU SO MUCH! :)
Taya2010 [7]

Answer:

F & A

Step-by-step explanation:

The answers are F&A.

8 0
3 years ago
On a given blueprint, 1 inch = 30 feet. If the dimensions of a meeting room on the blueprint are 1.5 inches x 1.25 inches, what
melamori03 [73]
Sounds simple to me but may be misleading, I can't see a trick.
I think all you do is multiply each by 30.

So answer is 45ft X 37.5ft

Hope it's correct. I'd appreciate if you could let me know. Thks..
6 0
3 years ago
Solve by solution x+4y=4 and 2x-3y=8
Dennis_Churaev [7]
I hope this helps you

3 0
2 years ago
Stefan sells Jin a bicycle for $138 and a helmet for $18. The total cost for Jin is 130% of what
lys-0071 [83]

Answer:

1. $109.20 2. $46.80

Step-by-step explanation:

Doing the math, we find that 30% of 156 (138+18) is 46.80, which answers the second part of this problem. Plugging this value into the first part of the equation gives us what Stefan originally paid.

Good luck! Hope this helps!

5 0
2 years ago
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