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2 years ago

(Due in 20 minutes!)

Mathematics

1 answer:

klasskru [66]2 years ago

5 0

Answer:

1.5

18 and 33

Step-by-step explanation:2.

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It took Mary 40 minutes to run 8 laps around the playground, if she spent the same time running each lap, how long would it take

Sergeeva-Olga [200]

Answer:

it should take her 45 minutes to run 9 laps

Step-by-step explanation:

40/8 = 5

9*5 = 45

8 0

3 years ago

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What is the reduced fraction of 25 and 60?

tino4ka555 [31]

25/60?
That would be 5/12

3 0

3 years ago

Find the lateral area for the pyramid with the equilateral base

likoan [24]

<h3>The lateral area for the pyramid with the equilateral base is 144 square units</h3>

Solution:

The given pyramid has 3 lateral triangular side

The figure is attached below

Base of triangle = 12 unit

Find the perpendicular

By Pythagoras theorem

$hypotenuse^2 = opposite^2 + adjacent^2$

Therefore,

$opposite^2 = 10^2 - 6^2\\\\opposite^2 = 100 - 36\\\\opposite^2 = 64\\\\opposite = 8$

Find the lateral surface area of 1 triangle

$\text{ Area of 1 lateral triangle } = \frac{1}{2} \times opposite \times base$

$\text{ Area of 1 lateral triangle } = \frac{1}{2} \times 8 \times 12\\\\\text{ Area of 1 lateral triangle } = 48$

Thus, lateral surface area of 3 triangle is:

3 x 48 = 144

Thus lateral area for the pyramid with the equilateral base is 144 square units

5 0

3 years ago

What is the value of X???

natta225 [31]

Answer:

x=5

Step-by-step explanation:

The angles of a trangle have to add up to 180 degrees. With that information, we can create an equation:

27+98+(10x+5)=180

125+10x+5=180

130+10x=180

-130 -130

______________

10x=50

/10 /10

x=5

8 0

3 years ago

Which is greater V227 or 15?

Gnom [1K]

Answer:

sqrt (227) is greater than 15

Step-by-step explanation:

sqrt(227) = 15.066 which is larger than 15

7 0

2 years ago