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Zina [86]
3 years ago
10

This is hard I need help

Mathematics
1 answer:
Andreyy893 years ago
4 0

Answer:

  • 140.22 ft²

Step-by-step explanation:

Surface area is the sum of areas of 4 triangles.

<u>Each triangle has:</u>

  • b = 9 ft, h = 7.79 ft

<u>Area of each triangle:</u>

  • A = 1/2bh
  • A = 1/2*9*7.79 = 35.055 ft²

<u>Surface area:</u>

  • S = 4*35.055 = 140.22 ft²
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Olenka [21]
Hey, there isn't a question, but I'd love to help!
4 0
3 years ago
Approximately how long does it take a sample of francium-223 to decay by 50%?
valentina_108 [34]
B. 100 minutes correct me if i’m wrong
6 0
2 years ago
line segment eg is partitioned by point f in the ratio 1:1. point e is at e (0, 4), and point f is at (1, 3). what are the coord
damaskus [11]

The coordinates of G (x₂ , y₂) for line segment EG = (2,2).

As given:

Line segment EG

Partitioned point of line segment is F

Coordinates of F (x ,y)=(1,3) and E (x₁ ,y₁)=(0,4)

Let coordinate of G (x₂ , y₂)

Ratio m:n =1:1

(x ,y) ={ ( mx₂ +nx₁ )/ (m +n) , ( my₂ +n y₁ )/ (m +n)

⇒(1,3) = {(1x₂ +1(0) )/2 , 1y₂ +1(4) /2}

⇒x₂ =2, y₂ =2

Therefore, the coordinates of G (x₂ , y₂) for the given line segment is equal to (2,2).

   

Learn more about line segment here

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6 0
1 year ago
7 log(15/16)+6log(8/3)+5log(2/3)+log(32/25)<br>by logarithm laws<br>​
hammer [34]

Answer:

1.5871

Step-by-step explanation:

According to the Question,

  • we have, 7 log(15/16)+6log(8/3)+5log(2/3)+log(32/25)

The Solution, With Basic Properties of Log.

7*log15-7*log16+6*log8-6*log3+5*log2-5*log3+log32-log25

7*1.176-7*1.204+6*0.903-6*0.477+5*0.3010-5*0.477+1.505-1.3979

on Solving, We get

1.5871

4 0
3 years ago
Mike and John are the partners in a local bar who invest in a ratio of 7:13, respectively. They started the business with $1.5M.
Mamont248 [21]

Answer:

A) $525,000

B) $975,000

C) 35%

Step-by-step explanation:

To solve A) and B), divide the total amount of money by the sum of the parts of the ratio (7 + 13 = 20, in this case), and then multiply this by the person's portion of the ratio. This is because you are finding the worth of '1 part', and are then multiplying it to find how much money all their parts are worth together.

To solve C), take a person's portion of the ratio, divide it by the sum of the portions of the ratio and then multiply by 100% to get a percentage. In this case, 7/(7 + 13) * 100% = 7/20 * 100% = 0.35 * 100% = 35%.

7 0
3 years ago
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