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valina [46]
3 years ago
9

What expression correctly represents twice the sum of four and a number

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
4 0

hello! your answer is A. mark me brainliest please!

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In ΔJKL, the measure of ∠L=90°, JL = 80, KJ = 89, and LK = 39. What is the value of the sine of ∠J to the nearest hundredth
emmainna [20.7K]

Given:

In ΔJKL, m∠L=90°, JL = 80, KJ = 89, and LK = 39.

To find:

The value of sine of ∠J.

Solution:

In a right angle triangle,

\sin\theta =\dfrac{Perpendicular}{Hypotenuse}

In triangle JKL,

\sin J =\dfrac{LK}{KJ}

\sin J =\dfrac{39}{89}

\sin J =0.4382

\sin J \approx 0.44

Therefore, the value of sine of ∠J is about 0.44.

5 0
3 years ago
What is the answer b2+c2+c3
Ivan

Answer:

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Step-by-step explanation:

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3 years ago
) Three pieces of wood are needed to make the border of a garage door (the top and two sides). The
Alexeev081 [22]

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What is the rule for crossing both the x and y axis
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Answer:

if the x-axis and y-axis is keeping the same numbers of its value , then it should be crossing the x then to the y axis . if the x-axis and y-axis is not kept in the same number , for instance , (-8 , 4 ) (8 , 6 ) then , It should be crossing the y- axis .

Step-by-step explanation:

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