2 years ago

2

Mathematics

1 answer:

grin007 [14]2 years ago

6 0

Answer:

Step-by-step explanation:

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Do you think a debit card or credit card is better? Why?

denis-greek [22]

Debit cards are a lot better tbh bc u can only spend what u have in the bank while credit cards u can spend more and end up getting into dept

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3 years ago

What us problems 6 and 7?

Sunny_sXe [5.5K]

Answer:

y=(x+7)2(2x+1)(x−4)

y=2x4+21x3−4x2−399x−196

Step-by-step explanation:

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3 years ago

Paris is 4,000 miles away from Columbus, Ohio. It takes an airplane 8 hours to fly there. What is the speed of the airplane

eimsori [14]

Answer:

500

Step-by-step explanation:

if you take 4,000 miles and divide it by 8 hours, it will give you 500, so that how we figure the speed.

The final answer is 500.

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2 years ago

Please Hurry!!

r-ruslan [8.4K]

The answer is B. y = -1/5x +1/2.

EXPLANATION

First solve for the slope:
$m = \frac{y2 - y1}{x2 - x1} \\ m = \frac{0 - \frac{3}{5} }{ \frac{1}{2} - \frac{1}{5} } \\ m = - \frac{1}{5}$
After finding the slope, look for the linear equation with the same value of m (parallel equation).

4 0

3 years ago

The volume of a sphere is 36 cubic inches. What is the radius of the sphere?

Serjik [45]

Answer:

2.05 inches

Step-by-step explanation:

V = 4/3 x πr³

36=4πr³/3

36x3= 4πr³

108= 4πr³

108/4 = πr³

27= πr^3

27/π =r³

$\sqrt[3]{27 \div \pi}$

r= 2.048in

round off to 2.05in

PROOF

V = 4÷3 x πr³

V= 4/3 x π(2.05)³

V=4/3 x π8.6

V=4×π×8.6/3

V=108/3

V=36in³

Therefore: radius= 2.05 inches

8 0

3 years ago