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2 years ago

PLEASE HELP ASAP

Mathematics

1 answer:

butalik [34]2 years ago

3 0

Answer: Dilation followed by a rotation & they are similar.

Step-by-step explanation:

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Line a passes through the points (-1,0) and (3,-8) what’s the slope?

konstantin123 [22]

Answer: 2

Step-by-step explanation:

(x1,y1) = (-1,0)

(x2,y2) = (3,8)

m = (8–0)/(3-(-1))

m = 8/(3+1)

m = 8/4

m = 2

8 0

2 years ago

Mr. Wilson wants to park his car in his parking garage. To find the cost, he uses the equation D= 3H+6, where D represents the t

charle [14.2K]

Answer: $8\ hours$

Step-by-step explanation:

You know that Mr. Wilson uses the following equation to find the cost:

$D= 3H+6$

Then, if Mr. Wilson spent $30, you can follow these steps in order to calculate how many hours he parked in the parking garage:

1. You need to substitute $D=30$ into the given equation:

$30= 3H+6$

2. Now, you must solve for "H":

$30= 3H+6\\\\30-6=3H\\\\24=3H\\\\\frac{24}{3}=H\\\\H=8$

Therefore, based on the result, you can conclude that Mr. Wilson parked his car in the parking garage for 8 hours.

7 0

2 years ago

What is 50.8 divided by 2.54

Veseljchak [2.6K]

It's 20.

Hope this helps <3

5 0

2 years ago

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Which inequality is equivalent to -m ≥ 15?

Vera_Pavlovna [14]

Answer:

m ≤ -15

Step-by-step explanation:

You can convert m into positive by multiplying -1 on both sides of the equation. This would also result to a -15.

Note that when an unknown variable changes its sign, the symbol becomes the opposite version of itself.

So,

-m ≥ 15

-m(-1) ≥ 15(-1)

m ≤ -15

7 0

2 years ago

The figure below shows a trapezoid, ABCD, having side AB parallel to side DC. The diagonals AC and BD intersect at point O.

Harlamova29_29 [7]

Answer:

Length of BO is three times the length of DO.

Step-by-step explanation:

In trapezoid ABCD, $CD\ ||\ AB$

In ΔCDO and ΔABO,

$m\angle CDO=m\angle ABO$ (Alternate interior angles)
$m\angle DCO=m\angle BAO$ (Alternate interior angles)

So, $\Delta CDO\sim \Delta ABO$ according to Angle-Angle similarity.

Therefore, the ratio of corresponding sides will be same.

$\Rightarrow \dfrac{OD}{OB}=\dfrac{OC}{OA}$

$\Rightarrow \dfrac{OD}{OB}=\dfrac{OC}{3\cdot OC}$

$\Rightarrow \dfrac{OD}{OB}=\dfrac{1}{3}$

$\Rightarrow OB=3\cdot OD$

5 0

2 years ago

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