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HACTEHA [7]
3 years ago
13

Giving brainliest!!!Please help.. :(

Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0

A is the answer 5 times the sum of 3 and 4 then subtract 4

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Simplify the expression 4 to the 3 power and 4 to the negative 6 power fractions
Vesnalui [34]

Answer:

Step-by-step explanation:

4³/4⁻⁶ = 4³⋅4⁶ = 4³⁺⁶ = 4⁹

7 0
3 years ago
To create a giant gemstone, sara first made two identical square pyramids that each had a base area of 100 square inches. Then s
inysia [295]

Answer:

8 inches.

Step-by-step explanation:

From the statement we have that they first made two identical square pyramids, each with a base area of 100 square inches.

Ab = s ^ 2 = 100

Therefore each side would be:

s = (100) ^ (1/2)

s = 10

So, side of the square base = 10 inches

Then they tell us that they glued the bases of the pyramids together to form the precious stone. The surface area of the gemstone is 520 square inches, so for a single pyramid it would be:

Ap = 520/2 = 260

For an area of the square pyramid we have the following equation:

Ap = 2 * x * s + s ^ 2

Where x is the height of each triangular surface and s is the side of the square base

Replacing we have:

260 = 2 * x * 10 + 10 ^ 2

20 * x + 100 = 260

20 * x = 160

x = 160/20

x = 8

Therefore, the value of x is 8 inches.

5 0
3 years ago
Solve for x round to the nearest tenth if necessary
mash [69]

tan 39 = x /30

0.809 = x/30

x = 24.29

x = 24.3

7 0
3 years ago
B is on line FW. Find the measure of angle CBW.
aliina [53]

Answer:

67+65+x=180

CBW=48 degrees

Step-by-step explanation:

Do you know that a straight line is 180 degrees. I recommend you to actually try on these questions. It will be a slower process if you just post questions on brainly.

7 0
3 years ago
Read 2 more answers
Adam is climbing up the stairs in a building. At a certain point, Adam starts counting the steps and when he reaches the last st
Ksivusya [100]

Answer:

He climed 3 steps before he started counting the steps.

Step-by-step explanation:

pls mark me as a branliest

5 0
3 years ago
Read 2 more answers
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