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Rzqust [24]
3 years ago
9

Marci look at the clock and realized that the number of hours that passed since midnight was three times the numbers of hours re

maining until noon. what time did the clock show?
Mathematics
1 answer:
yarga [219]3 years ago
8 0

Answer:

4 am

Step-by-step explanation:

because the number time from midnight till noon is 12hrs divide that by 3 and you'll get ur answer

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A 70-foot wire attached to the top of a building is anchored to the ground 20 feet from the base of the building. Which value is
JulijaS [17]

Answer:

The the angle which the wire make with the ground is 1.280 radian .

Step-by-step explanation:

Given as :

The length of the wire attached to the top of building = OB = 70 foot

The distance of wire anchored from base of ground = OA = 20 feet

Let the angle made by wire en and ground = Ф

Now from ,  In Triangle AOB

Cos angle = \dfrac{\textrm Base}{\textrm Hypotenuse}

Or, Cos Ф =  \dfrac{\textrm OA}{\textrm OB}

or, Cos Ф =  \dfrac{\textrm 20}{\textrm 70}

Or, Cos Ф =  \dfrac{\textrm 2}{\textrm 7}

∴  Ф = Cos^{-1}(\frac{2}{7})

I.e Ф = 73.39°

Now in radian ,

∵ 180° = \pi radian

∴ 73.39° = \frac{\pi }{180} × 73.39°

             =  \frac{3.14 }{180} × 73.39° = 1.280 radian

Hence The the angle which the wire make with the ground is 1.280 radian . Answer

4 0
3 years ago
Read 2 more answers
A discount book store sells hardcover books for $8 each and paperbacks for $4 each.The number of hardcover books, h, sold one da
vaieri [72.5K]

Jean-Paul's error is that he should have written the second equation as h = 4 p + 2.

<h3 />

<h3>How to solve an equation?</h3>

The hardcover book is $8 each and paperbacks for $4 each.

The number of hardcover books, h, sold one day was 2 more than four times the number of paperback books, p, sold that same day.

Therefore,

h = 4p + 2

Hence,

8h + 4p = 160

Therefore, the right equation are as follows:

h = 4p + 2

8h + 4p = 160

Hence, Jean-Paul should have written the second equation as h = 4 p + 2.

learn more on equation here: brainly.com/question/8465417

#SPJ1

3 0
2 years ago
Can you please help me with the questions I will give you brainliest.
KiRa [710]

Answer:

C the First page

Step-by-step explanation:

1) you input the 2 into the T So the equation would look like this

15+2.5*(times) 2

2) I'm not sure for the second

3) A because you are using the number given then multiplying.

1.58* times 5 = 7.5

But the starting number would be 1.5 sense that's  the first number given

No one report me please.

8 0
3 years ago
This is a record of a marble being rolled along the ground. what was the marbles average speed for this entire trip brainly
saw5 [17]
The answer is 1.5 m/s

5 0
4 years ago
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What is 12 divided by 8 as a fraction ( please explain)
marysya [2.9K]
1 1/2 or 3/2 because there is 4 more than 8 which is a half.
6 0
4 years ago
Read 2 more answers
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