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Brrunno [24]
3 years ago
5

How to work 11a-5c+3a

Mathematics
2 answers:
Dvinal [7]3 years ago
7 0
Your final answer would be 14a-5c

Vikki [24]3 years ago
6 0
<span>11a - 5c + 3a

1. Combine like terms

11a + 3a = 14a

14a - 5c</span>
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What is the greatest common factor of 7, 35, and 28?
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Answer:

7

Step-by-step explanation:

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Which expressions are equivalent to 16x4 − 64? Check all that apply. 16x4 + 16x – 16x – 64 16x4 – 8x – 8x – 64 (4x2 + 8)(4x2 – 8
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16x4 + 16x – 16x – 64

16x4 – 8x – 8x – 64

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16(x2 + 2)(x2 – 2)

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There are 5 yellow marbles and 12 blue marbles in a bag. You randomly choose one of the marbles. What is the probability of choo
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5 yellow marbles out of total of 17 marbles so 5/17
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2 years ago
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Mrs. Larnell is making snacks for a class picnic. She puts 1/4 pounds of apples,1/8 pound of nut mix,and 1/16 pound of chocolate
Tasya [4]
\frac{1}{4}:\frac{1}{8}:\frac{1}{16}\\\frac{1}{4}*24:\frac{1}{8}*24:\frac{1}{16}*24\\\frac{24}{4}:\frac{24}{8}:\frac{3}{2}\\6:3:1.5\\6+3+1.5=9.5

9 pounds 8 ounces
6 0
2 years ago
Rachel has 60 scones. She sells them to Robbie, Cameron, Louis, Tom and
Nutka1998 [239]
We can start by writing all that we know about the problem. Let us write down how many scones each boy has:
R_{o} : x
C_{a} : x+k
L_{o} : x+2k
T_{o} : x+3k
C_{h} : x+4k
Note that k is the increase, we know it's a constant. This is not a system of equations, please keep that in mind. We will use rest of the information given to build the system. We have two variables x (the number of cookies the first boy bought) and k( the increase), that means we need to have two equations to solve this problem. 
We know that total amount of scones is 60, so we can use that information to build our first equation. We sum all of the scones and we get 60. 
R_{o}+C_{a}+L_{o}+T_{o}+C_{h}=60
5x+10k=60
We know that Robbie and Cameron combined have 3/7 of <span>Louis, Tom and Charlie combined. We can use this information to build our second equation.
</span>R_o+C_a= \frac{3}{7} (L_o+T_o+C_h)
2x+k= \frac{3}{7} (x+2k+x+3k+x+4k)
2x+k= \frac{3}{7} (3x+9k)
14x+7k=9x+27k
5x=20k
x=4k
Now this piece of information alows us to solve the first equation that we made and this will solve our problem. We simply plug in x=4k into 5x+10k=60.
5(4k)+10k=60
30k=60
k=2
Now we can plug this information into the same equation 5x+10k=60 and get x.
5x+10(2)=60
5x=40
x=8
And that's it. Now we can write out how many cookies each boy has bought.
R_{o} : x=8
C_{a} : x+k=10
L_{o} : x+2k=12
T_{o} : x+3k=14
C_{h} : x+4k=16
If you add them all up you get 60.
3 0
2 years ago
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