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SVEN [57.7K]
3 years ago
13

48.5 is 7 percent of what number

Mathematics
2 answers:
lana [24]3 years ago
7 0
The answer is 692.857143 
Hope this helps! :)
DedPeter [7]3 years ago
4 0

Let's assume

that number as x

we are given

48.5 is 7 percent of x

so, we can write it as

7 % of x =48.5

\frac{7}{100} x=48.5

now, we can solve for x

100*\frac{7}{100} x=48.5*100

7 x=4850

divide both sides by 7

\frac{7x}{7} =\frac{4850}{7}

x=\frac{4850}{7}

x=692.857

so, that number is 692.857.............Answer

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I have tried and from what I can tell, it is mathematically impossible. 
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3 years ago
Help a girl out with geometry
Darya [45]
Follow the steps

106=x+79+x+45
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( -18)/2=(2x)/2 <----- solving for x
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then
angle LMF= -9+79
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angle FMN= -9+45
= 36
(when you add 70 and 36 together you get 106 which is the measurement of angle LMN or in other word the whole thing)

In conclusion the answer to the problem is:
Angle LMF is equal to 70.
7 0
3 years ago
5.4 puzzle time what has four legs but can't walk answer key
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A table

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7 0
3 years ago
On a morning of a day when the sun will pass directly​ overhead, the shadow of a 60​-ft building on level ground is 25 ft long.
AysviL [449]

Answer:

The shadow is decreasing at the rate of 3.55 inch/min

Step-by-step explanation:

The height of the building = 60ft

The shadow of the building on the level ground is 25ft long

Ѳ is increasing at the rate of 0.24°/min

Using SOHCAHTOA,

Tan Ѳ = opposite/ adjacent

= height of the building / length of the shadow

Tan Ѳ = h/x

X= h/tan Ѳ

Recall that tan Ѳ = sin Ѳ/cos Ѳ

X= h/x (sin Ѳ/cos Ѳ)

Differentiate with respect to t

dx/dt = (-h/sin²Ѳ)dѲ/dt

When x= 25ft

tanѲ = h/x

= 60/25

Ѳ= tan^-1(60/25)

= 67.38°

dѲ/dt= 0.24°/min

Convert the height in ft to inches

1 ft = 12 inches

Therefore, 60ft = 60*12

= 720 inches

Convert degree/min to radian/min

1°= 0.0175radian

Therefore, 0.24° = 0.24 * 0.0175

= 0.0042 radian/min

Recall that

dx/dt = (-h/sin²Ѳ)dѲ/dt

= (-720/sin²(67.38))*0.0042

= (-720/0.8521)*0.0042

-3.55 inch/min

Therefore, the rate at which the length of the shadow of the building decreases is 3.55 inches/min

8 0
3 years ago
Please help ill give brainliest
tangare [24]

Answer:

Step-by-step explanation:

15s-100=350

the last one

IDK if you need this s=30

8 0
3 years ago
Read 2 more answers
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