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AnnyKZ [126]
3 years ago
12

What is the coefficient of y3 in 5xy? 3x + 5y3 – 3?

Mathematics
1 answer:
poizon [28]3 years ago
8 0

Answer:

Step-by-step explanation:

it is 5 because 5 is next to y ^3

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How many times larger is 4 × 10^10 than 2 × 10^8?
fgiga [73]

Answer:10

Step-by-step explanation:

7 0
2 years ago
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An arhitect wants to draw a rectangle with a diagonal of 20 inches. The length of the rectangle is to be 8 inches more than twic
kiruha [24]

The diagonal of a rectangle = sqrt(w^2 + l^2)

w = width

l = length

In this problem,

The diagonal = 20 in

w = x

l = 2x + 8

Let's plug our numbers into the formula above.

20in = sqrt((x)^2 + (2x + 8)^2)

Let's simplify the inside of the sqrt

20 in = sqrt(5x^2 + 32x + 64)

Now, let's square both sides.

400 = 5x^2 + 32x + 64

Subtract 400 from both sides.

0 = 5x^2 + 32x - 336

Factor

0 = (5x - 28)(x + 12)

Set both terms equal to zero and solve.

x + 12 = 0

Subtract 12 from both sides.

x = -12

5x - 28 = 0

Add 28 to both sides.

5x = 28

Divide both sides by 5

x = 28/5

The width cant be a negative number so now we know that the only real solution is 28/5

Let's plug 28/5 into our length equation.

Length = 2(28/5) + 8 = 56/5 + 8 = 96/5

In conclusion,

Length = 96/5 inches

Width = 28/5

4 0
2 years ago
Mrs. Low has 12 bags, each containing 25 sweets. She divides the sweets among 30 boys equally. How many sweets does each boy get
irakobra [83]
Each boy gets 10 sweets.

12×25=300÷30=10//
6 0
3 years ago
Please please thank you
nika2105 [10]

Answer:

option 2

452.16

6 0
2 years ago
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Help and Explain please
Rudiy27
The answer is B. Just multiply all of them then divide
4 0
3 years ago
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