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Ira Lisetskai [31]
3 years ago
15

Simplify. Please help ASAP. I’m in a hurry.

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0
5 * 2 = 10
3^10/3^-2, same base, add
10 - 2 = 8
Solution: 10^8
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the morgan famili and the alexander family each ised their sprinkles last summer. the water output was 20. l per hour. The water
erik [133]

Answer:

number of hours  Alexander family ‘s sprinkler work = 20

number of hours  Morgan family ‘s sprinkler work = 30

Step-by-step explanation:

Given in the question,

water output rate for the Alexander family ‘s sprinkler = 40 L  

water output rate for the Morgan family ‘s sprinkler = 20 L

Suppose, number of hours  Alexander family ‘s sprinkler work = x

Suppose, number of hours  Morgan family ‘s sprinkler work = y

Equation1

x + y = 50

Equation 2

40x + 20y = 1400

x = 50 - y

Put this value of x in equation 2

40(50-y) + 20y = 1400

2000 - 40y + 20y = 1400

-20y = 1400 - 2000

-20y = -600

y = 30

Put this value of y in equation 1 to get the value of x

x + 30 = 50

x = 50 - 30

x = 20

 

5 0
3 years ago
The radius of a cylinder is 3x - 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder? Use the
Anestetic [448]
Surface area = 2 pi (3x-2)^2 + 2 pi  (3x -2) ( x + 3)

= 2 pi (9x^2 - 12x + 4 + 3x^2 + 7x - 6

= 2pi(12x^2 - 5x - 2)

Its D
7 0
3 years ago
What can you say about the y-values of the two functions f(x)=3^(x)-3 g(x)=7x^2-3
Mice21 [21]

Answer: g(x) has the smallest possible y-value of -3

<u>Step-by-step explanation:</u>

f(x) = 3ˣ - 3   <em>This is an exponential graph shifted down three units. So, it has an asymptote at y = -3, which means it approaches -3 but does not touch it.</em>

Range: y > 3   (-3, ∞)

   g(x) = 7x² - 3  

⇒ g(x) = 7(x - 0)² - 3   <em>This is a parabola with vertex at (0, -3) </em>

Range: y ≥ 3   [-3, ∞)



5 0
3 years ago
Read 2 more answers
Y = - 2/3x + 2 in standard form
Lesechka [4]

Answer:

2x + 3y = 6

Step-by-step explanation:

2x + 3y = 6

-2x. -2x

3y/3 = -2x + 6/3

Y = -2/3x + 2

4 0
2 years ago
Find the volume of the rectangular
Kobotan [32]

Answer:

Hope this will help you

Step-by-step explanation:

volume \: of \: rectangular \: prism = l \times b \times h \\  = 0.6 ft\times 0.8 ft\times 3.8ft \\  = 1.824 {ft}^{3}

4 0
2 years ago
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