3 years ago

What is the first step in solving this system of equations by Substitution?

1 answer:

6 0

Answer:

x=x+2

Step-by-step explanation:

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quester [9]

Answer:

B. $\displaystyle -1, -7$

Step-by-step explanation:

$\displaystyle x^2 = -8x - 7 → x^2 + 8x + 7 \\ \\ x^2 + 8x + 7 \\ [x + 1][x + 7]; -1, -7 = x$

I am joyous to assist you at any time.

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4 years ago

NemiM [27]

Answer:

(3,0)

Step-by-step explanation:

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2 years ago

polet [3.4K]

Step-by-step explanation:

$\frac{1}{4} \boxed{?} \frac{3}{8} \\ \\ \frac{1}{4} = \frac{2}{8} \\ \\ \because \: 2 < 3 \\ \therefore \: \frac{1}{4} \boxed{ < } \frac{3}{8}$

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3 years ago

dem82 [27]

We are given radius = 6 yards

area of circle = pi * r * r = 3.14 * 6*6 = 113.04 yard square

cost of carpet is $14 per square yard

cost of 113.04 square yard = 14*113.04= 1582.56 dollars

Answer: cost to carpet the planetarium is $1582.56

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3 years ago

tiny-mole [99]

Answer:

C. 12/15

Step-by-step explanation:

2/3, 6/9, and 18/27 all simplify to 2/3. 12/15 does not.

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2 years ago