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noname [10]
3 years ago
15

BRAINLIESTTT ASAP! PLEASE HELP ME :)

Mathematics
1 answer:
crimeas [40]3 years ago
3 0

Denali- 6.7x70= 469

The building should be strong enough to withstand an earthquake of that magnitude.

Rat Island- 7.8x30=234

The building should be string enough to withstand an earthquake of that magnitude.

Hope this helps! ;)

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A hose fills a hot tub at a rate of 3.13 gallons per minute. How many hours will it take to fill a 255-gallon hot tub?
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13.3025 hours. (3.13gallons/min x 255 gallons) / 60 minutes
3 0
3 years ago
In the triangle ABC, the height AN = 24 in, BN = 18 in, AC = 40 in. Find AB and BC.
Basile [38]

Step-by-step Answer:

AN is height, so A is perpendicular to BC.  (See image attached).

BN = 18

AN = 24

AC = 40

All as labeled.

ABN is a right triangle, with AB = sqrt(18^2+24^2)=sqrt(324+576)=30

ACN is a right triangle, with CN = sqrt(40^2-24^2)=sqrt(1600-576) = 32

=>

BC = BN + NC = 18 + 32 = 50

8 0
3 years ago
Determine the point that lies on the equation y = -5x - 3.
scZoUnD [109]

Answer:

(4, -23)

Step-by-step explanation:

We are given;

  • The equation, y = -5x -3

We are needed to determine the point that lies on the equation;

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  • This means when we use the value of x in the equation we should get the exact value of y of the given point;
  • Therefore, in this case;

Point (4, -23)

Replacing x = 4 in the equation;

y = -5(4) - 3

 = -23

Therefore, the point lies on the equation as the point satisfies the equation

Thus, the required point is (4, -23)

8 0
3 years ago
Expand the following equation:5x(3-7y)​
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Answer:

Step-by-step explanation:

15x-35x

25x is the answer

3 0
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