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3 years ago

Need the answer asap !! #34 !!

Mathematics

1 answer:

Rus_ich [418]3 years ago

5 0

Answer:

A) 46 mph

Step-by-step explanation:

Step 1: To find the speed, you need to find the distance and time to travel between Chicago and Cleveland.

Distance = 354 miles

Time = 9: 50 am to 5: 30 pm

Time = 7 hours 40 minutes

Step 2: Convert time to hours

1 hour = 60 minutes

40 minutes = 60/40 = 2/3 hours

Step 3: Find the speed

Speed = Distance/Time

Speed = 354/7 + 2/3

Speed = 1062/23

Speed = 46.17 miles per hour rounded off to 46 mph

Therefore, A is the correct answer.

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The volume of a sphere can be determined by the formula V = 4/3 πr^3, where r is the radius. What is the volume of a sphere with

allochka39001 [22]

Answer:

$V = \frac{99}{7} x^{9}y^{-6}$

Step-by-step explanation:

Given

$V = \frac{4}{3}\pi r^3$

Required

Find V when

$r = \frac{3}{2}x^3y^{-2$

Substitute $\frac{3}{2}x^3y^{-2$ for r in $V = \frac{4}{3}\pi r^3$

$V = \frac{4}{3}\pi * (\frac{3}{2}x^3y^{-2})^3$

Open bracket

$V = \frac{4}{3}\pi * \frac{3}{2}^3 * x^{3*3}y^{-2*3}$

$V = \frac{4}{3}\pi * \frac{27}{8} * x^{9}y^{-6}$

Simplify the fractions

$V = \pi * \frac{9}{2} * x^{9}y^{-6}$

Let

$\pi = \frac{22}{7}$

So:

$V = \frac{22}{7} * \frac{9}{2} * x^{9}y^{-6}$

$V = \frac{11}{7} * \frac{9}{1} * x^{9}y^{-6}$

$V = \frac{99}{7} * x^{9}y^{-6}$

$V = \frac{99}{7} x^{9}y^{-6}$

6 0

3 years ago

Can someone plz help me and explain it to me?

Marina86 [1]

You always either divide the equation or multiply the equation
hope this helps

6 0

3 years ago

True or false the reciprocal of 5 is 1/5 シ

rodikova [14]

Answer:

True

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is the area of the base.(area=6 square in.x 5 in.

Murljashka [212]

Answer:

30 square inch

Step-by-step explanation:

$area \: of \: base = 6 \times 5 = 30 \: {inch}^{2} \\$

6 0

3 years ago

HELPPP!!!

madam [21]

Answer:

2 and a half @ 2.5 inches (sorry i can't type the fraction)

Step-by-step explanation:

english is my second language so sorry if you doesn't understand:

(1/2, 1/4)=(x,y)

based on the graph shown that each grid on the y axis represents 1/4, that is the smallest scale stood in the y axis.

this means 2 grid= 1/4 x 2 = 1/2 @ 0.5 inches.

since the '5 months-hair-length' is above about 2 grid above 2 inch:

2 inch + 0.5 inch= 2.5 inch

4 0

2 years ago