3 years ago

What is the equation of the line that passes through the point (−7,2) and has a slope of −1

Mathematics

1 answer:

MAXImum [283]3 years ago

7 0

The equation in slope intercept form is y=-x-5

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If ∠C and ∠D are vertical angles and m ∠ C = x + 5 and m ∠ D = –2x + 80, what is m ∠ C?

amm1812

Answer:

m∠C=30°

Step-by-step explanation:

we know that

<u>Vertical Angles</u> are the angles opposite each other when two lines cross. They are always equal

m∠C=m∠D

substitute the given values

$(x+5)\°=(-2x+80)\°$

Solve for x

$x+2x=80-5\\3x=75\\x=25$

<em>Find the measure of angle C</em>

m∠C=(x+5)°

substitute the value of x

m∠C=(25+5)=30°

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3 years ago

James practiced piano for 48 minutes. Alisa practiced for 5 times as long as James. How many minutes did Alisa practice? How man

wariber [46]

48(5)=n
when n= the amount of time that Alisa practiced the piano.
Alisa practiced for 240 minutes.

48+240= t
Where t stands for total minutes altogether.
In total, they practiced 288 minutes

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3 years ago

Select the correct answer

White raven [17]

Answer:

Step-by-step explanation:

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=8%20a%20b%20%5E%20%7B%202%20%7D%20%3A%206%20a%20%5E%20%7B%202%20%7D%20b" id="TexFormula1" titl

g100num [7]

$\boxed{\large{\bold{\blue{ANSWER~:) }}}}$

$8ab^{2}:6a^{2}b\\\\=\dfrac{8ab^{2}}{6a^2b}\\\\=\dfrac{2×4×a×b×b}{2×3×a×a×b}\\\\=\dfrac{4b}{3a}\\\\=4b:3a$

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3 years ago

Rewrite 4/7 and 3/5 so they have common denominator

Vladimir [108]

20/35 and 21/35. The common denominator is 35.

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3 years ago