1 year ago

Which most closely estimates 387÷19?

Mathematics

1 answer:

steposvetlana [31]1 year ago

6 0

Answer:

the answer is 20 with a remainder of 7

Step-by-step explanation:

hope this helps if not let me know

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Use intercepts to graph the linear equation 4x +6y=12

Ratling [72]

X intercept: when Y = 0
Y intercept: when X = 0
Plug into equation
4x + 6(0) = 12
4x = 12, x = 3
Therefore x int = (3,0)
4(0) + 6y = 12
6y = 12, y = 2
Therefore y int = (0,2)
Plug those points then draw a line through them

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2 years ago

What are the side lengths of a 45-45-90 triangle with a hypotenuse of 10root2?

scoundrel [369]

Answer:

Step-by-step explanation:

let the lengths of sides=x (each)

x²+x²=(10√2)²

2x²=100×2

x²=100

x=√100=10

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3 years ago

M=2/5 (4,-5) point slope

KiRa [710]

Answer:

-9

Step-by-step explanation:

You take them both and multiply then divide then subtract

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2 years ago

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2 years ago

Tracy recieves payments of $X at the end of each year for n years. The present value of her annuity is 493. Gary receives paymen

vladimir1956 [14]

Answer:

v = 1/(1+i)

PV(T) = x(v + v^2 + ... + v^n) = x(1 - v^n)/i = 493

PV(G) = 3x[v + v^2 + ... + v^(2n)] = 3x[1 - v^(2n)]/i = 2748

PV(G)/PV(T) = 2748/493

{3x[1 - v^(2n)]/i}/{x(1 - v^n)/i} = 2748/493

3[1-v^(2n)]/(1-v^n) = 2748/493

Since v^(2n) = (v^n)^2 then 1 - v^(2n) = (1 - v^n)(1 + v^n)

3(1 + v^n) = 2748/493

1 + v^n = 2748/1479

v^n = 1269/1479 ~ 0.858

Step-by-step explanation:

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3 years ago