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yanalaym [24]
3 years ago
13

What is the equivalent expression of 8x+7y+5x+4y+2y

Mathematics
1 answer:
Natalija [7]3 years ago
4 0

Answer:

13x+13y

Step-by-step explanation:

(combine like terms)

8x+5x=13x

7y+4y+2y=13y

hope this helped you!

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A sandwich shop uses the box size shown to pack boxed lunches. They have determined that they need to use bigger boxes. If the s
borishaifa [10]
The original volume of the shape was 250. You come up with this by multiplying all sides together. So, 5x5x10=250.

We do the same for the new shape, which now has a 7 in place of the 5. So 7x7x10=490.

Lastly, we subtract the volume of the new shape from the volume of the old shape to see the difference. So, 490-250=240.

So the answer to this is 240.
7 0
3 years ago
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Antwaun waters his lawn 3 times a week. If he watered his lawn 24 times in all, which equation could be used to find how many we
MAXImum [283]

Answer:

Antwanun waters his lawn 3 times a week, he watered his lawn 24 . So what you will need to do is divide 3 in 24 to find how many weeks he has been watering his lawn, You get 8. Mr. Antwanun has been watering for 8 weeks. Equation- Antuwantun waters his lawn 3 times a week so if he watered his lawn 24 times, 3 times a week he would have been watering his lawn for 8 weeks.

3 0
3 years ago
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What is the point slope form of a line that has a slope of 3 and passes through the point (-1,4)
lukranit [14]

Answer:

y - 4 = 3(x- (-1)     --->      y-4 = 3(x+1)

Step-by-step explanation:

y - 4 = 3(x + 1)

y - 4 = 3x + 3

y = 3x + 7

then plug in (-1,4)

4 = 3(-1) + 7

4 = -3 + 7

4 = 4

Point slope form looks like:

y - y₁ = m(x - x₁)

6 0
3 years ago
What is the algebraic expression for "the difference between seven times a number and three times that number"?
inna [77]

Answer:

7x-3x = 4x?

I think

8 0
3 years ago
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Use​ Gauss's approach to find the following sums​ (do not use​ formulas). 1+3+5+7+...999
muminat
S=1+3+5+\cdots+995+997+999
S=999+997+995+\cdots+5+3+1
\implies 2S=(1+999)+(3+997)+(5+995)+\cdots+(995+5)+(997+3)+(999+1)

2S=\underbrace{1000+1000+\cdots+1000+1000}_{500\text{ times}}

(We are adding 500 instances of 1000 because that's how many odd numbers there are between 1 and 1000, inclusive.)

2S=500\times1000=500000
\implies S=250000
4 0
4 years ago
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