3 years ago

Combine Like Terms: 2y + 7z - 2z + 4y +8 + y +2

Mathematics

2 answers:

gladu [14]3 years ago

7 0

Answer :

B) 7y + 5z + 10

givi [52]3 years ago

6 0

Answer:

The correct answer is B) 7y+5z+10.

Step-by-step explanation:

You simply add together the coefficients that have the same following, such as Y or X. all the numbers that do not have one you add together.

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Ostrovityanka [42]

Answer:

160

Step-by-step explanation:

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3 years ago

Find the difference (ab+4a-6) - (ab-6)

maw [93]

(ab + 4a - 6) - (ab - 6) = ab + 4a - 6 - ab + 6 = (ab - ab) + (6 - 6) + 4a = 4a

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3 years ago

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If someone could please just tell me how to do this that would help a lot. Suppose B is between A and C. Use the Segment Additio

lys-0071 [83]

Answer:

x=11

AB=45

BC=73

Step-by-step explanation:

AB+BC=AC, so...

4x+1+7x-4=118

Combine like terms

11x-3=118

Solve for x

11x=118+3

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x=11

Now put x in each equation

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BC=7x-4+7(11)-4=77-4=73

AC=45+73=118 (which was given!)

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Tom fed his chickens with grains on Sun. The chickens ate a 1/4 of what was given to them that day. On Mon, the chickens ate a 1

SVETLANKA909090 [29]

Answer:

1/2

Step-by-step explanation:

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3 years ago

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Dorothy and Rosanne are baking cookies for a party. Working alone, Rosanne can finish the cookies in 6 hours. Dorothy can finish

garik1379 [7]

Answer:

It will take them 3.43 hours.

Step-by-step explanation:

Let T denote the total cookies that need to be cocked. Observe that:

If Rosanne finishes the cookies in 6 hours, that means that she can make $\frac{T}{6}$ cookies per hour.
If Dorothy finishes the cookies in 8 hours, that means that she can make $\frac{T}{8}$ cookies per hour.

Then, by 1) and 2), if they work together would we able to make

$\frac{T}{6}+\frac{T}{8}=\frac{8T+6T}{48}=\frac{14}{48}T=\frac{7}{24}T$

cookies per hour.

Therefore, in order to finish the T cookies they will need $\frac{24}{7}\approx3.43 hours$

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4 years ago