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Burka [1]
3 years ago
10

Please Please Please Please Help Me With This Science Sheet Homework!!!!!!!!!! Questions 1-4!!!!!! Don't Please Do Not Delete Th

is Question, Because Nobody Has Helping Me!!!!!!

Mathematics
1 answer:
ankoles [38]3 years ago
8 0
If i could see the paper i prob. could help cause i am really good in scienc and biology
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In right triangle DEF, ∠E is a right angle, m∠D=26∘, and DF=4.5.
jok3333 [9.3K]

Answer:

The measurement of EF is 1.98 units

Step-by-step explanation:

In Δ DEF

∵ m∠E = 90°

∴ FD is the hypotenuse of the triangle

∵ m∠D = 26°

∵ EF is opposite to angle D

- We can use the sine ratio to find it

∵ sin D = \frac{EF}{FD} ⇒ (opposite side / hypotenuse)

∵ FD = 4.5 units

∴ sin(26) = \frac{EF}{4.5}

- Multiply both sides by 4.5

∴ 4.5 sin(26) = EF

∵ sin 26° ≈ 0.44

∴ 4.5(0.44) = EF

∴ 1.98 = EF

The measurement of EF is 1.98 units

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3 years ago
Forty five men can construct a road 210m long in 60 days. What length would be constructed by 72 men in 50 days assuming that al
blagie [28]

Answer:

280m

Step-by-step explanation:

Work rate would be (210m)/(45people)(60days)=7/90 m/(people)(day)

7/90 m/(people)(day) * 72people * 50days =280m

7 0
3 years ago
In ΔRST, the measure of ∠T=90°, the measure of ∠R=67°, and TR = 94 feet. Find the length of RS to the nearest tenth of a foot.
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Answer:

the length of RS to the nearest tenth of a foot is 240.6ft

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3 years ago
A farmer wants to increase the area of his rectangular pen but keep the pen a rectangular shape. He decides to add 2 1/2 feet of
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Answer:

91/4(w+21/2)=108 3/4

Step-by-step explanation:

8 0
2 years ago
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URGENT Given the following functions f(x) and g(x), solve f over g (−5) and select the correct answer below:
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correct answer is 5, because f(-5) / g(-5) = -30/-6 = 5

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3 years ago
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