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Greeley [361]
3 years ago
10

For what value of x does 3^2x=9^3x-4

Mathematics
1 answer:
Andrei [34K]3 years ago
8 0

Answer:

x = 2.

Step-by-step explanation:

3^2x = 9^(3x - 4)

9^3x-4 = 3^2x

(3^2)^(3x-4) = 3 ^2x

3^6x-8 = 3^2x

6x - 8 = 2x

4x = 8

x = 2 (answer).

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Find the surface area of a hexagonal prism if the length of each side of the hexagonal base is 4 cm and the height is 7 cm.
olya-2409 [2.1K]

The surface area of a hexagonal prism willl be 251.13844 cm².

<h3>What is the surface area?</h3>

The total land area of all the faces of a three-dimensional object is its surface area. When we wish to wrap something in real life, we employ the notion of surface areas of distinct things.

A=6ah+3√3a²

A=6×4×7+3√3×4²

A≈251.13844

Hence the surface area of a hexagonal prism willl be 251.13844 cm².

To learn more about the surface area, refer to the link;

brainly.com/question/2835293

#SPJ1

3 0
2 years ago
Please explain how. Thanks in advance
klio [65]

Answer:

A kite has only 1 pair of opposite congruent sides, whereas a parallelogram has 2 pairs of opposite congruent sides

Hope this helps!

4 0
3 years ago
Find the measure of angle A
blagie [28]

Answer:

43°

Step-by-step explanation:

(x + 53)° + (x + 74)° + 73° = 180°

(x + 53 + x + 74)° = 180° - 73°

(2x + 127)° = 107°

2x + 127 = 107

2x = 107 - 127

2x = - 20

x = - 20/2

x = - 10

m\angle A = (x +53)\degree \\\\m\angle A = (-10 +53)\degree \\\\m\angle A = 43\degree \\\\

4 0
3 years ago
2x+y+4z=16<br> 5x-2y+2z=-1<br> X+2y-3z=-9
LekaFEV [45]

Answer:

24

Step-by-step explanation:

6 0
3 years ago
The circumference (C) of a swimming pool is 47 feet. Which formula can you use to find the radius (r) if you know that C = 2πr ?
vodka [1.7K]
To find the formula to find radius, solve for r using the formula for circumference.

to solve:
1. divide each side by 2\pi
2. you get r = c/2\pi
5 0
3 years ago
Read 2 more answers
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