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IrinaVladis [17]
3 years ago
12

Can you guys help me with this equation plzzzzzz​

Mathematics
1 answer:
dangina [55]3 years ago
6 0

Answer:

b = 1/3

Step-by-step explanation:

Here, we want to solve for the value of b

From the question, we have that;

4^(3b-3) = 1/16

4^(3b-3) = 16^-1

4^(3b-3) = 4^2(-1)

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

Since base are equal, equate the powers

3b - 3 = -2

3b = -2 + 3

3b = 1

b = 1/3

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A quart of paint covers 80 square feet. How many quarts should you buy to paint the ramp with two coats? (Assume you will not pa
Amanda [17]

Answer:

Step-by-step explanation:

Alright, lets get started.

We first need to find the surface area of the ramp without its base.

The ramp consists 4 sides two triangles and two rectangles.

Area of 1 triangle = \frac{1}{2}*14*6=42

Area of 2 triangle = 42

Area of top rectangle = 15.2*19.5=296.4

Area of back rectangle = 6*19.5=117

So total area =  42+42+296.4+117=497.4 square feet

We are asked to paint two coats of paint means we have to double the area.

So the double area is = 2*497.4=994.8

80 square feet requires = 1 quart of paint

994.8 square feet requires = \frac{994.8}{80}=12.435

12.4 quart can't be purchased so complete number of quart will be 13 quart.   :   Answer

Hope it will help :)

5 0
3 years ago
Is the answer for number 3 solution or open sentence?
Katen [24]
I believe it's a solution
6 0
3 years ago
Which of these is a pair of adjacent​ angles?
max2010maxim [7]

Answer:

C.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
I have tried a good 7 practice problems but for some reason I just can’t understand it, I need help. The end answer is a fractio
Travka [436]

Answer:

1/2 pi

Step by step explanation:

Find the circumference

2πr = 2xπx2 = 4π

Find the angle of JHI

Since 1/2π is 1/8 of 4π,

Angle JHI should also be 1/8 of 360 = 45 degrees

To find area, 45/360 x π X 2^2

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7 0
3 years ago
50 is 90% of what plz help
RUDIKE [14]
So for this question, 
we take 50 as 90% first
so to find 100%, 50/90 * 100 =55.6 or = 55  5/9 or = 500/9
6 0
3 years ago
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