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1 year ago

8

What are the names of three planes that contain point G?

1 answer:

liubo4ka [24]1 year ago

4 0

Answer:

B is the correct answer to your question

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A sphere has a radius of 4 inches. What is the surface area of the smallest cube that could circumscribe the sphere?

vovikov84 [41]

Answer:

$SA=384\ in^2$

Step-by-step explanation:

we know that

The smallest cube that could circumscribe the sphere has a length side equal to the diameter of the sphere

In this problem

The radius of the sphere is $r=4\ in$

The diameter of the sphere is two times the radius

$D=2r=2(4)=8\ in$

so

The length side of the cube is

$b=8\ in$

Remember that

The surface area of a cube is equal to the area of its six faces

so

$SA=6b^2$

substitute the value of b

$SA=6(8)^2$

$SA=384\ in^2$

6 0

2 years ago

Dave travels 300 miles in 1 hour and 40 minutes. What is Dave's rate of travel (speed) in piles per hour?

inysia [295]

300 miles in 1h 40m
300 miles in 100m

300 / 100 = 3
3 miles per minute

3 x 60 = 180
180 miles per hour

I hope this helps

6 0

2 years ago

Kate paid $27 for a dress that was on sale at 10% off. What was the original price for this dress?

Art [367]

Answer:

$30

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Williiam lost 25% of his marble,gave 1/6 of the remainder to his.Brother and had 120 marbles left.How many marbles did he have a

bija089 [108]

Answer:

Number of marbles with Williams at the starting = 192

Step-by-step explanation:

Let total number of marbles with Williams = m

He lost marbles = 25% of the total number

= $\frac{25}{100}\times m$

= $\frac{m}{4}$

Remaining marbles with Williams = m - $\frac{m}{4}$

= $\frac{3m}{4}$

He gave marbles to his brother = $\frac{1}{6}$ th of the remaining marbles

= $\frac{1}{6}\times \frac{3m}{4}$

= $\frac{m}{8}$

Remaining marbles after giving marbles to his brother = 120

Therefore, $\frac{3m}{4}-\frac{m}{8}=120$

$\frac{6m}{8}-\frac{m}{8}=120$

$\frac{5m}{8}=120$

m = $\frac{120\times 8}{5}$

m = 192

Number of marbles with Williams at the starting = 192

5 0

2 years ago

6 to power 8 / 6 to power of 6 equals what does the slash mean. How do I calculate

artcher [175]

Step-by-step explanation:

From your problem statement, I believe the equation will look like this:

$\frac{6^{8}}{6^{6}}$

The slash means "divided by" -- you should use division to solve this equation.

For division involving exponents with the same base, you can use the following rule:

$\frac{A^{x}}{A^{y}} = A^{x - y}$

Subtituting $6$ for $A$ , $8$ for $x$ and $6$ for $y$ , we get the following:

$\frac{6^{8}}{6^{6}} =6^{8 - 6} = 6^{2} = 36$

3 0

2 years ago