2 years ago

I NEED HELP PLEASE.

Mathematics

1 answer:

Maru [420]2 years ago

7 0

Answer:

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A rectangle tabletop has an area of 28 1/8 square feet and a length of 6 1/4 feet. What is the width of the tabletop?

tatuchka [14]

I believe it’s 4 1/2 . Sorry if I’m wrong

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2 years ago

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). The vertex of a

dolphi86 [110]

Vertex form:
y-k=a(x-h)^2
h=-2,k=-20,y=-12 when x=0
thus;
-12+20=a(0+2)^2
8=4a
a=2
Equation:
y+20=2(x+2)^2
y+20=2(x^2+4x+4)
f(x)=2(x^2+4x+4)-20
f(x)=2x^2+8x+8-20
f(x)=2x^2+8x-20

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3 years ago

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PLEASE SHOW WORK OR EXPLAIN

timofeeve [1]

Answer:

Step-by-step explanation:

You must use the trigonometric function.

In this case, it will be tangent.

$tangent=\dfrac{opposite}{adjacent}$

We have

$\theta=38^o,\ opposite=r,\ adjacent=20$

$\tan38^\approx0.7813$

Substitute:

$\tan38^o=\dfrac{r}{20}$

$\dfrac{r}{20}=0.7813$ <em>multiply both sides by 20</em>

$r=15.626$

Tree height is r + 5.

Therefore

$r+5=15.626+5=20.626\approx20.6\ ft$

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Find the missing side length of the right triangle

mr_godi [17]

B) 29
Because 20^2+21^2=c^2

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Answer:

I can't see the picture.

Step-by-step explanation:

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