3 years ago

Gerald drives 200 miles in 2 1/2 hours. what is gerald's average speed?

Mathematics

1 answer:

Dimas [21]3 years ago

3 0

Answer:

80mph

Step-by-step explanation:

200 divided by 2 1/2 is 80.

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The man earned money:

Step-by-step explanation:

$1 x 24 pieces =$24 revenue per box

$24 - $9 = $15 earning per box

$15 x 8 boxes = $120 total earnings

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Step-by-step explanation:

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2 years ago

Read 2 more answers

PC-CSIL

pav-90 [236]

The equality used is Subtraction property of equality

Option A is correct

Step-by-step explanation:

We need to identify which option best explains or justifies Step 1.

Step 1 is: $-c = ax^2 + bx$

The given equation is: $0 = ax^2 + bx + c$

To get the equation for step 1 we need to subtract c on both sides of equation i.e using subtraction property of equality

$0-c = ax^2 + bx + c-c$

$-c = ax^2 + bx$

So, The equality used is Subtraction property of equality

Option A is correct.

Keywords: Solving Quadratic Equations

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