3 years ago

There are ___ questions on the ACT math test, А. 75 В. 100 С. 80 D. 60

Mathematics

1 answer:

koban [17]3 years ago

5 0

The answer is: D) 60

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When 5 is added to 2 times a number, the result is 45. find the number.

WINSTONCH [101]

A.

let the number be n.
2n+5=45
2n=40
n=20

3 0

3 years ago

Help please! Identify an equation in point slope form for the line perpendicular to Y =-4x + 8 that passes through (-2, 7)

777dan777 [17]

Answer:

D. $y-7=\frac{1}{4}(x+2)$

Step-by-step explanation:

The point-slope form of a line is given by:

$y-y_1=m(x-x_1)$

The line given to us has equation; $y=-4x+8$ .

The slope of this line is -4. The of the line perpendicular to this line is the negative reciprocal of the slope of the given line.

Our slope of interest is therefore; $m=\frac{1}{4}$

Since the point goes through (-2,7), we have $x_1=-2,y_1=7$ .

We plug in the slope and the point into the point-slope formula to obain;

$y-7=\frac{1}{4}(x--2)$

The required equation is:

$y-7=\frac{1}{4}(x+2)$

3 0

2 years ago

The sum of an acute angle and an obtuse angle is an acute angle always sometimes or never true ???

xxTIMURxx [149]

Answer:

Never

Step-by-step explanation:

Adding together an obtuse angle (greater than 90°) and acute angle (less than 90°) should result in an obtuse angle every time

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2 years ago

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Hattie could run 22 miles in 5 hours how many miles could she run i 6 hours

timofeeve [1]

Answer:

26.4

Step-by-step explanation:

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3 years ago

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On a typical day flights at a local airport arrive at a rate of 10 every 15 minutes. At this rate how many flights would you exp

Arturiano [62]

There are 4 sets of 15 minutes in a hour so you would take the 10 airplanes and multiply it by 4 and get 40 as your answer
In 1 hour 40 planes with arrive at the airport

5 0

2 years ago