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4 years ago

6

Brandon's family is planning a trip from Dallas to San Antonio.Dallas is about 272 mikes from San Antonio.If Brandon's dad drive

s an average of 60 miles per hour,about how long will the trip take

1 answer:

zimovet [89]4 years ago

3 0

You divide 272 by 60 to find the amount of time which is 4.53 hours

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Can anyone help me in this question please

victus00 [196]

Answer:

the total is 80 cm^2

Step-by-step explanation:

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i hope this helps

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6 0

2 years ago

Read 2 more answers

confirm or disprove ernest's work by selecting two different points and applying the slope formula. be sure to identify the poin

yan [13]

Answer:

Part a) Ernest's calculation was correct

Part b) Ernest's calculation was correct

Step-by-step explanation:

The picture of the question in the attached figure

<u><em>The complete question is</em></u>

Ernest calculated the slope of the graph during the uphill climb to be 10. His work is shown below.

Points: (60.900). (15, 450)

Slope : 900-450/60-15=450/45=10

Part a) Determine whether his calculation was correct or incorrect, and then explain why.

Part b) Confirm or disprove Ernest's work by selecting two different points and applying the slope formula. be sure to identify the points you chose

Part a)

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the points

A(60,900),B(15,450)

Remember that

$m_A_B=m_B_A$

step 1

Find $m_A_B$

substitute in the formula

$m_A_B=\frac{450-900}{15-60}\\\\m_A_B=\frac{-450}{-45}=10$

step 2

Find $m_B_A$

substitute in the formula

$m_B_A=\frac{900-450}{60-15}\\\\m_B_A=\frac{450}{45}=10$

therefore

Ernest's calculation was correct, because $m_A_B=m_B_A$

Part b) selecting two different points

we take the points

(0,300) and (50,800) -----> see the attached figure

substitute in the formula of slope

$m=\frac{800-300}{50-0}$

$m=\frac{500}{50}$

$m=10$

therefore

Ernest's calculation was correct

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3 years ago

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Citrus2011 [14]

Answer:

The answer is correct, here's why:

Step-by-step explanation:

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She added 11.55 gallons to her tank to fill it up.

This means she must have had 5 $\frac{13}{40}$ gallons to start with because 5 $\frac{7}{8}$ - 11.55 = 5 $\frac{13}{40}$

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2 years ago

in the function n=p(m) ??? is all the possible values of m, and the ??? is all the possibl3 values of n.

swat32

Answer:

Range....Domain

Step-by-step explanation:

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3 years ago

A snail moves 1/40 of a mile in 3/4 of an hour. If the snail continues at this pace, how far, in miles, does it move in one hour

viva [34]

1/40 ÷ 3/4 = 1/40 ÷ 4/3 = 4/120 = 1/30

5 0

3 years ago

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