2 years ago

Theo is using the Quadratic Formula to solve a quadratic equation. Which of the following is the next step for simplifying

Mathematics

1 answer:

Sindrei [870]2 years ago

8 0

Answer: look at the picture

Step-by-step explanation:

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Simplify(4-x) (7+x) <br>

Sophie [7]

(4-x) ( 7+ ×)

28 +4x -7x -x²

28 -3x - x²

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2 years ago

HELP PLEASE ASAP!!! 50 points

neonofarm [45]

Answer:

(a+b,c)

Step-by-step explanation:

Note that the midpoint formula is:

$(\frac{x_{1} +x_{2}}{2}, \frac{y_{1} +y_{2}}{2})$

Point A (0,0) and Point C (2a+2b,2c)

It follows that:

$(\frac{(2a+2b +0}{2}, \frac{2c+0}{2})\\(\frac{(2(a+b)}{2}, \frac{2c}{2})\\\\(a+b,c)$

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3 years ago

Read 2 more answers

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 80 miles per

Deffense [45]

Answer:

1.4 hour, or 1 hr 24 min

Step-by-step explanation:

The trains separate at the rate (80 + 90) mph.

Recall that distance = rate times time, or time = distance / rate.

238 mi

Here, the elapsed time is -------------- = 1.4 hr, or 1 hr 24 min

170 mph

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3 years ago

Abhasra spent half of her weekly allowance at the movies. To earn more money her parents let her clean the windows in the house

never [62]

Answer:

$10

Step-by-step explanation:

x is her weekly allowance.

She spent half her allowance and has ½x remaining.

She earned $7, and now has $12.

12 = ½x+7

x = 10

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2 years ago

When placing a polygon on a coordinate plane for a coordinate proof a vertex at the origin is NOT a good location for the figure

irina1246 [14]

I do not understand the question please clarify. Thank you.

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3 years ago