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My name is Ann [436]
3 years ago
15

Add the expressions 4 - 2/3b+ 1/4a and 1/2a + 1/6b - 7. What is the simplified sum?

Mathematics
2 answers:
klasskru [66]3 years ago
4 0

Answer:

\frac{3}{4}a-\frac{1}{2}b-3

Step-by-step explanation:

Given the expressions: 4 -\frac{2}{3}b+\frac{1}{4}a $  and $ \frac{1}{2}a + \frac{1}{6}b - 7.

We add:

4 -\frac{2}{3}b+\frac{1}{4}a + \frac{1}{2}a + \frac{1}{6}b - 7\\\\$First, we reorder the terms$\\\\=4  - 7-\frac{2}{3}b+ \frac{1}{6}b+\frac{1}{4}a + \frac{1}{2}a \\\\=-3+(\frac{1}{6}-\frac{2}{3})b+(\frac{1}{4}+\frac{1}{2})a\\\\=-3-\frac{1}{2}b+\frac{3}{4}a\\\\=\frac{3}{4}a-\frac{1}{2}b-3

ryzh [129]3 years ago
3 0

Answer:

3/4a-1/2b-3

Step-by-step explanation:

i am right b/c i just took the test

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How to do this problem
borishaifa [10]

5. since 2/3 cups goes into 1 tortilla , if she finds out how many 1/3 cups go into 8 cups, she would need to divide that amount

6, since it takes less than 1 cup for each tortilla, she should be able to fill more than 8

8 0
3 years ago
the length of a rectangle is 5 meters more than the width. the perimeter is 26 meters. write and solve an equation to find the l
fredd [130]

Answer:

Step-by-step explanation:

If width =x

Length =x + 5

Perimeter =x+x+5+x+x+5

26=4x+10

16=4x

X=4

Therefore width =4

Length =9

6 0
4 years ago
-2b^2-5b+12 factor the trinomial
Bad White [126]

Answer: −(b+4)(2b−3)

Step-by-step explanation:

1. Factor out the negative sign.

−(2b^2+5b−12)

2. Split the second term in 2b^2+5b−12 into two terms.

−(2b^2+8b−3b−12)

3.Factor out common terms in the first two terms, then in the last two terms.

−(2b(b+4)−3(b+4))

4. Factor out the common term b+4b+4b+4.

−(b+4)(2b−3)

5 0
3 years ago
Cole biked at 5 mph for 1 1/2 hours. Which of the following choices show how far he biked?
Citrus2011 [14]

Answer:

Should be 5 1/2 if thats on there

Step-by-step explanation:

u take 11/2 and take out the 1 u get 10/2 so u cut 10 in half get 5 then add the one and make it 5 1/2

3 0
3 years ago
Read 2 more answers
On a prepaid plan, phone company A charges $76.00 for 500 minutes, and phone
sweet [91]

Answer:

Company B

Step-by-step explanation:

A is $0.15/min

   because 76/500

B is $0.12/min

  because 54/450

Company B is cheaper so it would be the better deal

7 0
3 years ago
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