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2 years ago

Pls help ASAP I’ll give brainliest

Mathematics

1 answer:

NARA [144]2 years ago

7 0

Answer:

B. 11.42

Step-by-step explanation:

<u>Use the law of cosines:</u>

$c = \sqrt{a^2+b^2-2ab*cosC}$

<u>Substitute the values:</u>

$c = \sqrt{9^2+12^2-2*9*12*cos64}=11.42$

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Which quadratic inequality does the graph below represent?

iVinArrow [24]

Answer:

a) y = x**2 - 3

Step-by-step explanation:

Let x = 0, then y = -3 or anything above (the unshaded area), so "a" fits.

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3 years ago

Simplify 3m + 8 -x = -24

erastova [34]

3m+8-x=-24
3m=-24-8+x
3m=-32+x
m=(x-32)/3
3m+8-x=-24
3m+8+24=x
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3 years ago

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In Chad's reading class, all the students are reading the same book. The school bought each student a book at $7 per book. If th

Molodets [167]

It would be A. 7(30) - 7(7)

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3 years ago

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Can someone please check my answers I WIILL GOVE BRAINLY TO FIRST PERSON THAT ANSWERS!

Rainbow [258]

The first is C. r = 4(4/9)
the second one is B. h = 130
the second one is A. k = 7

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3 years ago

NEED THESE ANSWERED ASAP SO I CAN GRADUATE THIS WEEK

babunello [35]

For this case we must solve each of the equations proposed:

A) $-6 (2s-1) = 30$

We apply distributive property to the terms within parentheses:

$-12s + 6 = 30$

Subtracting 6 from both sides of the equation we have:

$-12s = 24$

Dividing between -12 on both sides of the equation:

$s = \frac {24} {- 12}s = -2$

B) $-3m = -5 (m-8)$

We apply distributive property to the terms within parentheses:

$-3m = -5m + 40$

We add 5m on both sides of the equation:

$2m = 40$

Dividing between 2 on both sides of the equation:

$m = \frac {40} {2}\\m = 20$

C) $7 (2-g) = 49$

We apply distributive property to the terms within parentheses:

$14-7g = 49$

We subtract 14 from both sides of the equation:

$-7g = 35$

Dividing between -7 on both sides of the equation:

$g = \frac {35} {- 7}\\g = -5$

D) - $7 (3w + 4) = 14$

We apply distributive property to the terms within parentheses:

$-21w-28 = 14$

We add 28 to both sides of the equation:

$-21w = 42$

Dividing between -21 on both sides of the equation:

$w = \frac {42} {- 21}\\w = -2$

Answer:

$s = -2\\m = 20\\g = -5\\w = -2$

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3 years ago

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