All categories

4 years ago

Some body please help me!!!!!!

Mathematics

1 answer:

VladimirAG [237]4 years ago

7 0

Surface area of a cube = 486 square inches

Solution:

Given each side of a cube = 9 inches

Net of a cube has 6 squares.

Area of square = side × side

Area of 1 square = 9 × 9 = 81 square inches

Surface area of a cube = Area of 6 squares

= 6 × (side × side)

= 6 × 81

= 486 square inches

Hence, surface area of a cube is 486 square inches.

You might be interested in

Find the volume of a 1 km3 body of water in m3, and select the correct units.

Gala2k [10]

Answer:

1,000,000,000 $m^3$

Step-by-step explanation:

1 kilometer is equal to 1000 meters, and 1 $km^3$ is 1 km * 1 km * 1 km

Therefore,

1000m * 1000m * 1000m = 1,000,000,000 $m^3$

Hope this answer helped! :)

7 0

3 years ago

Mateo, a 31-year-old nonsmoker ($5.50), wants to purchase $100,000 in coverage for himself and $75,000 for his spouse, who is fe

igomit [66]

Answer: B. $32.50

Step-by-step explanation:

The premiums listed in brackets are for every $25,000 of coverage.

Mateo wants a $100,000 coverage so we need to divide this by $25,000 to see how much more he will have to pay:

= 100,000 / 25,000

= 4

Mateo will have to pay 4 times the $5.50 for himself:

= 4 * 5.50

= $22.00

For his spouse who requires $75,000, he will have to pay:

= 75,000 / 25,000

= 3

= 3 * 3.50

= $10.50

Total Mateo is to pay for both his spouse and himself is:

= 22 + 10.5

= $32.50

4 0

3 years ago

A shirt costs $7.97 including tax, and

joja [24]

I believe the answer is D. $34.43

5 0

3 years ago

Read 2 more answers

The perimeter of the triangular park on the right is 16x-6. What is the missing length? The bottom side length is 5x+4 and the r

Romashka-Z-Leto [24]

Answer:

$(9x-5)\ units$

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

The perimeter of a triangle is the sum of the length of their three sides

$P=a+b+c$

where

a,b,c are the length sides of the triangle

In this problem we have

$P=(16x-6)\ units\\a=(2x-5)\ units\\b=(5x+4)\ units$

substitute and solve for the missing length

$(16x-6)=(2x-5)+(5x+4)+c\\c=(16x-6)-(2x-5)-(5x+4)\\c=(9x-5)\ units$

3 0

4 years ago

Pete's monthly housing budget is $2,250. His monthly costs are $215.75 for insurance, $143.50 for utilities, and $273 for taxes.

kogti [31]

Answer should be b hope it helps

4 0

3 years ago