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3 years ago

Alexis drove 1200 miles in 30 h. What was her rate of travel in miles per hour?

Mathematics

2 answers:

NARA [144]3 years ago

6 0

40 miles per hour is the answer you are lookin g for

Damm [24]3 years ago

3 0

40 mph

First you have 1200/30. You are trying to get to 1 hour, so in order to get 30 to one, you must divide 30 by 30 and 1200 by thirty as well. You get 40 miles per hour.

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Which table represents a linear function that has a slope of 5 and a y-intercept of 20?

AVprozaik [17]

Answer:

Step-by-step explanation:

Note that if it has a y- intercept of 20, this means that when x = 0 , y = 20

Find the table which shows that :)

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2 years ago

What is the x-coordinate of the vertex of the parabola whose equation is y = 3x² + 9x?

saveliy_v [14]

Answer: -3/2

Step-by-step explanation:

The axis of symmetry, and thus the x-coordinate of the vertex, is given by $x=-\frac{b}{2a}$

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1 year ago

Question 18 (5 points)

Nitella [24]

Yea you got this the answer is easy

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2 years ago

Jonathan sold five times as many computers as Joe sold last year. In total,

Rom4ik [11]

Answer:

Step-by-step explanation:

Let the number of computers sold by Joe be represented by variable X

If Jonathan sold 5 times as many computers , it means he sold 5 times X= 5X

Total number of computers sold by both Jonathan and Joe = 78

Hence, X+5X =78

= 6X = 78

Divide both sides by 6 to solve for X;

X = 78/6

X = 13

And 5X = (5* 13) = 65

Therefore, Jonathan sold 65 computers while Joe sold 13

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3 years ago

Branliest offered solve the proportion 12/x=6/7 6x/4=8/12 7/x+13=4/12 y+5/y=10/8

Tju [1.3M]

12/x=6/7 answer: x=14
6x/4=8/12 answer x = 0.4444444444
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3 years ago