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mezya [45]
3 years ago
7

A building casts a shadow 40 ft long when the sun's angle of elevation is 58 degrees. find the height of the building

Mathematics
1 answer:
zzz [600]3 years ago
3 0
The building is 64 ft tall
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The perimeter of an equilateral triangle is 63 inches. If the length of each side is (4x-3), find the value of x.
sashaice [31]

Answer:

The value of x is 6

Step-by-step explanation:

The perimeter of an equilateral triangle is P = 3 × S, where S is the length of each side

∵ The perimeter of an equilateral triangle is 63 inches

∴ P = 63 inches

→ By using the rule of the perimeter above

∵ P = 3 × S

→ Equate the right sides of P

∴ 3 × S = 63

→ Divide both sides by 3

∴ S = 21 inches

∴ The length of each side is 21 inches

∵ The length of each side is (4x - 3)

→ Equate (4x - 3) by the length of each side

∴ 4x - 3 = 21

→ Add 3 to both sides

∵ 4x - 3 + 3 = 21 + 3

∴ 4x = 24

→ Divide both sides by 4 to find x

∴ x = 6

∴ The value of x is 6

6 0
3 years ago
If f x) = [x – 3], find f (5.6 ).
Levart [38]

Answer:

2.6

Step-by-step explanation:

We have the function  f (x) = [x – 3]

We need to inster the value required which is 5.6

f (5.6) = [5.6 – 3]=

5.6-3 =2.6

f (5.6)=2.6

8 0
3 years ago
Solve for y<br> a. 4x + 5y = 25
AfilCa [17]

Answer:

y = -4/5x + 5

Step-by-step explanation:

In order to solve for y, we need to isolate the variable. First, let's subtract 4x on each side. After doing said step, we should now have this equation:

5y = -4x + 25

Next, we need to divide 5 on each side, giving us this new equation:

y = -4/5x + 5

There you go! Let me know if I did anything wrong ^-^

5 0
3 years ago
The San Francisco Giants won 39 more games than the St. Louis
nalin [4]
Answer: B
Explanation: “Giants won 39 more games than the Cardinals”
so Cardinals+39= Giants wins (101)
6 0
2 years ago
If the circumference of a basketball is 29.5 inches, how many centimeters is the circumferenceof a basketball? Round your answer
Solnce55 [7]

Answer:

75 cm

Step-by-step explanation:

Every inch is 2.54 cm, so 29.5 in=74.93 cm. 74.93 rounded to the nearest whole is 75cm.

3 0
3 years ago
Read 2 more answers
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