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AfilCa [17]
3 years ago
7

Simplify Negative 15.6 divided by negative 4.

Mathematics
1 answer:
masha68 [24]3 years ago
3 0
Simplify:

-15.6/-4

( \frac{-15.6}{-4} )

Divide to solve:

You get 3.9

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Tom solved the problem a different way. First he found the total area of the floor, and then he multiplied by the height. Does T
Anastasy [175]
No.

Tom forgot about the area of the top/roof, the floor and roof are different dimensions/areas, making his method incomplete.

He needs to find area of Roof, Floor then times height.
5 0
3 years ago
Read 2 more answers
1. Trapezoid BEAR has a height of 8.5 centimeters and parallel bases that measure 6.5 centimeters and 11.5 centimeters. To the n
e-lub [12.9K]
<h3>Given</h3>

1) Trapezoid BEAR with bases 11.5 and 6.5 and height 8.5, all in cm.

2) Regular pentagon PENTA with side lengths 9 m

<h3>Find</h3>

The area of each figure, rounded to the nearest integer

<h3>Solution</h3>

1) The area of a trapezoid is given by

... A = (1/2)(b1 +b2)h

... A = (1/2)(11.5 +6.5)·(8.5) = 76.5 ≈ 77

The area of BEAR is about 77 cm².

2) The conventional formula for the area of a regular polygon makes use of its perimeter and the length of the apothem. For an n-sided polygon with side length s, the perimeter is p = n·s. The length of the apothem is found using trigonometry to be a = (s/2)/tan(180°/n). Then the area is ...

... A = (1/2)ap

... A = (1/2)(s/(2tan(180°/n)))(ns)

... A = (n/4)s²/tan(180°/n)

We have a polygon with s=9 and n=5, so its area is

... A = (5/4)·9²/tan(36°) ≈ 139.36

The area of PENTA is about 139 m².

6 0
3 years ago
I need help !!!!!!!!!!!!!!!!!!
maw [93]

Answer:

35

Step-by-step explanation:

3 0
3 years ago
Humans blink their eyes about once every 5 seconds. How many times do humans blink their eyes in two hours
Leni [432]
The answer is 36,00
This is because 5x 60 gives you the amount in a minute
Then you take that answer and multiply it by another 60 to give you the number per hour
Then that number times 2 to give you the amount every two hours
5 0
2 years ago
A math problem has 25 questions.Some are worth 2 points and some are worth 3 points. The test is worth 60 points in total. Which
Margarita [4]

Answer:

There can be many possibilities

Possibilities:

one<u> </u><u>possibilities</u> that is perfect according to me is:-

15questions of 2 points

15×2=30 points

.

.

10questions of 3 points

10×3=30 points

.

.

Total =30+30=60 points

.

.

Hope it helped you

lf not then I am sorry for this.

Bye

.

.

Good morning

Good evening

Good night

8 0
2 years ago
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