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3 years ago

The height of a model rocket, H(t), is a function of the time since it was launched, t.

Mathematics

1 answer:

laiz [17]3 years ago

7 0

I believe its either A or C

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The width of a rectangle is (5x + 2) inches and the length is (6x − 7) inches. Find the area of the rectangle.

Degger [83]

Answer:

Explanation:

Area = Length · Width

Length: (6x - 7)

Width: (5x + 2)

Create An Equation

(6x - 7) (5x + 2)

= (6x + −7)(5x + 2)

(6x)(5x) + (6x)(2) + (−7)(5x) + (−7)(2)

= 30x² + 12x − 35x − 14

30x² − 23x − 14

- PNW

7 0

2 years ago

The perimeter of a square field is the same as that of a rectangular field. If the length of the rectangular field is 8 km and w

Bess [88]

Answer:

42.25cm^2

Step-by-step explanation:

8+5+8+5 = 26

26/4 = 6.5

6.5x6.5 = 42.25

4 0

3 years ago

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HELP!! What is the approximate measure of angle x in the triangle shown?

Alex Ar [27]

<h3>Answer: D) 130.5 degrees</h3>

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Work Shown:

$c^2 = a^2 + b^2 - 2*a*b*\cos(C)\\\\10^2 = 5^2 + 6^2 - 2*5*6*\cos(x)\\\\100 = 25 + 36 - 60*\cos(x)\\\\100 = 61 - 60*\cos(x)\\\\100 - 61 = - 60*\cos(x)\\\\39 = - 60*\cos(x)\\\\\cos(x) = \frac{39}{-60}\\\\\cos(x) = -0.65\\\\x = \arccos(-0.65)\\\\x \approx 130.5416\\\\x \approx 130.5\\\\$

Note: I used the law of cosines. Make sure your calculator is in degree mode.

6 0

2 years ago

Can someone please help me with this?

nadya68 [22]

Answer:

A. -0.875

Step-by-step explanation:

Find where the points are located

A=-4.25

B=2.5

Add the points

-4.25+2.5=-1.75

-1.75/2=-0.875

7 0

2 years ago

HELP PLZ<br><br> Does the Graph Represent A Function? Why Or Why Not?

Gekata [30.6K]

Answer:

Step-by-step explanation:

3 0

2 years ago

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