A car enters an interstate highway 20 mi north of a city. The car travels north at an average speed of 58 mph. Which equation models the car’s distance d from the city after traveling for h hours?

Answers

Answer 1

Answer: the answer would be 20 d = h + 58

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Which number is rational?
1) π
2)5/4
3) √7
4) √3/2

Answers

Answer:

2) 5/4

Step-by-step explanation:

The other numbers arent irrationals because they have infinite decimals, and that cant be expresed in a fraction (sorry if i said something wrong im learning english)

A triangle has one angel that measures 51 degrees and one angle that measures 39 degrees. what kind of triangle is it?

Answers

Those two angles are complementary - which means they both give us 90 degrees. We know that all three angles in any triangle must be exactly 180 degrees, so the third angle will be 180 - 90 = 90 degrees. It means that our triangle is a straight triangle. The figure will look more less like in the attachment.

it would be a acute because you would do 51+39=90 which u would do 180-90 which would equal 90 and a aucte is a 90 degree angle

K=am+3mx
solve am+3m+3mx
solve for m interms of akx

Answers

$k=am+3mx\n\nk=m(a+3x)\n\nif\ \ \ a+3x \neq 0\ \ \ then\ \ \ m= (k)/(a+3x)$
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$k=am+3m+3mx\n\nk=m(a+3+3x)\n\nif\ \ \ a+3+3x \neq 0\ \ \ then\ \ \ m= (k)/(a+3+3x)$

What is the solution to the system of equations? Use the substitution method.y=3x-4
9x-3y=14

A. There is no solution
B. (12, 14)
C. (14, 12)
D. There an infinite number of solutions.

Answers

{ y = 3 x - 4
9x -3y = 14

Subsititute y = 3x-4 :

[ 9 x - 3 ( 3 x-14 )=14]

Refine:

9 x - 3 ( 3 x - 4 ) = 14

- 2 = 0

is false , therefore the system of equations has no solution

Answer A

hope this helps!

4. When interpreting a scatterplot, the association must be positive or negative.True
False

Answers

True True True True True True True True

The correct answer is:

True.

Explanation:

An association between two variables in a scatterplot is shown by most of the points following a pattern. This pattern can be linear or non-linear. The more closely the points seem to follow this pattern, the stronger the association.

An association in a scatterplot can be negative, meaning that as one variable increases the other decreases, or positive, meaning that as one variable increases the other increases as well. A negative association will appear to decrease on a graph, and a positive association will appear to increase on a graph.

Can someone please help me with this quick question

Answers

Y axis because the y value did not change

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If these two trapezoids are similar, what is the measure of the missing angle?90°115090065°Answer:degree.