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irina [24]
3 years ago
12

Help doing this problem please!

Mathematics
2 answers:
dybincka [34]3 years ago
6 0

Answer: 30 ft

Step-by-step explanation:

tan 40° = height of dock/rope

0.839 = 25.17 ft / rope

Rope = 25.17 ft / 0.839

Rope = 30 ft

Mazyrski [523]3 years ago
5 0

Answer:

Step-by-step explanation:

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Solve this expression 8÷2*5+(6-4)
Annette [7]

Value of expression \frac{8}{2}(5) + (6-4) is 22 .

<u>Step-by-step explanation:</u>

Here we have the following expression to solve :

8÷2*5+(6-4)

⇒ (8/2)*5 + (6-4)

⇒ \frac{8}{2}(5) + (6-4)

But 8 = 4(2) , So

⇒ \frac{4(2)}{2}(5) + (6-4)

⇒ 4(5) + (6-4)

⇒ 20 + (6-4)

⇒ 20 + 2

⇒ 22

Therefore, Value of expression \frac{8}{2}(5) + (6-4) is 22 .

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3 years ago
Four times a number is 84 what is the number
Elanso [62]
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Romashka-Z-Leto [24]

Answer:

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Step-by-step explanation:

y=x^2+3----------1

y=x+5-------------2

1=2

x^2+3 = x+5

x^2-x-2=0

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If y varies directly as x, and y is 180 when x is n and y is n when x is 5, what is the value of n? A.6 B.18 C.30 D.36
ch4aika [34]
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