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Anna007 [38]
3 years ago
10

This section is read-only.

Mathematics
1 answer:
sdas [7]3 years ago
6 0

The angles of a triangle all add up to 180º.

You need to set up and solve the equation:

84+48+3h = 180

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Simplify the expression. <br> -3(b – 7)
pychu [463]
-3(b - 7)

Distributive property

-3*b = -3b

-3*7 = -21

-3b + 21

Answer:  -3b + 21

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How would you do this as a decimal number ?
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Answer:

-5.875

Step-by-step explanation:

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Which of the binomials below is a factor of this expression?<br> 16x2 + 40xy + 25y2
svet-max [94.6K]
(4x+5y)2 is the right answer
8 0
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Which solids have a round base? Select two options.
nirvana33 [79]
Cone and cylinder both have round bases
6 0
2 years ago
Hello can anyone give me the step by step answer?
NISA [10]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 8, - 42 ) and (x₂, y₂ ) = (- 3, - 17 ) ← 2 ordered pairs from the table

m = \frac{-17-(-42)}{-3-(-8)} = \frac{-17+42}{-3+8} = \frac{25}{5} = 5

The line crosses the y- intercept at (0, - 2 ) , then

y = 5x - 2 → C

7 0
3 years ago
Read 2 more answers
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