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Hunter-Best [27]
3 years ago
13

Correct answers only please!

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer: the answer is D. 43.1

1728/40= 43.2

3120/72= 43.3

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What property is demonstrated by 7+h=h+7
julia-pushkina [17]

Answer:

commutative property

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2 years ago
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11y^2-19y-10=-4y^2 <br> all real solutions
tangare [24]

Answer:

y=5/3 is the only real solution

Step-by-step explanation:

Solve for y over the real numbers:

11 y^2 - 19 y - 10 = -4 y^2

Add 4 y^2 to both sides:

15 y^2 - 19 y - 10 = 0

The left hand side factors into a product with two terms:

(3 y - 5) (5 y + 2) = 0

Split into two equations:

3 y - 5 = 0 or 5 y + 2 = 0

Add 5 to both sides:

3 y = 5 or 5 y + 2 = 0

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Subtract 2 from both sides:

y = 5/3 or 5 y = -2

Divide both sides by 5:

Answer: |

| y = 5/3 or y = -2/5

4 0
3 years ago
How do I solve this?
podryga [215]

Answer:

3078.8in^3

Step-by-step explanation:

V=\pi r^2h=\pi *7^2*20=3078.7608\\=3078.8in^3

4 0
3 years ago
How do I graph this equation?
NARA [144]

Answer:

I'm pretty sure you start off with the dot at -3,

then go up 2 times,

and go right 3 times.

then put the dot there.

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Step-by-step explanation:

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3 years ago
1/3x+y=4 help please?
professor190 [17]
\frac{1}{3}x+y=4\ \ \ \ \ |subtract\ \frac{1}{3}x\ from\ both\ sides\\\\y=4-\frac{1}{3}x
8 0
3 years ago
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