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zubka84 [21]
2 years ago
15

3

Mathematics
1 answer:
Lina20 [59]2 years ago
7 0

Answer:

Bb-2=4

Step-by-step explanation:

b+4=8:is incorrect 2+4=6

2b-3=0 is incorrect 2(2)-3=1

25+24=30 also incorrect

Bb -2=4 is corrext since B(2)-2=4 is same as 2B-2=4:which is the correct equation

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Kim is watching a space shuttle launch from an observation spot 2 miles away. Find the angle of elevation from Kim to the space
hammer [34]

Answer:

<h2><em>46.4°</em></h2>

Step-by-step explanation:

Find the diagrammatic representation in the attachment given.

We can see that the diagram is a right angled triangle. To get the angle of elevation, we will use one of the trigonometry identity SOH, CAH, TOA.

Given the adjacent of the triangle to be 2miles (observation spot from the point of launch)and the opposite (side facing the elevation angle) as 2.1miles (the height), we will use TOA.

tan∅ = opposite/adjacent

tan∅ = 2.1/2

tan∅  = 1.05

∅ = tan⁻¹1.05

∅ = 46.4°

<em>Hence the angle of elevation from Kim to the space shuttle, which is at a height of 2.1 miles is approximately 46.4°</em>

5 0
3 years ago
If DF = 61 and EF = 18, find DE
vova2212 [387]

Answer:

43 i jus subtracted

Step-by-step explanation:

5 0
3 years ago
Write a linear equation that passes through the point (2,-9) and has a slope of -5
Anna [14]

Answer:

  • y = -5x + 1

Step-by-step explanation:

<u>Given:</u>

  • The slope m = -5 and point (2, -9)

<u>Use point slope form:</u>

  • y - y₁ = m(x - x₁), where (x₁, y₁) is the given point

<u>So the equation is:</u>

  • y - (-9) = -5(x - 2)
  • y + 9 = -5x + 10
  • y = -5x + 1
3 0
3 years ago
ANSWER PLZ QUICK AND FAST
Sergio [31]

Jack had b boxes. Then he got 4 more. That is equal to:

b+4

On Wednesday, half the boxes were destroyed. To find half the amount, you can divide by 2, which is equal to:

\frac{b+4}{2}

Choice C matches the answer. Your answer is C

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3 years ago
Shipping department 17 employees budget of 3715 budget
Masja [62]
Please explain more...
5 0
3 years ago
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