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Ierofanga [76]
3 years ago
9

Train X traveled 216.6 kilometers in 38 minutes. How many miles per hour was it traveling?

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

210 miles in 1 hour

Step-by-step explanation:

steps are in picture

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Marshall charges $22.00 per hour to cut yards in his neighborhood. Use the ratio of Marshall’s hours worked to the amount earned
Leni [432]
If there are $22 made per hour for 7 hours, you’d add 22 per hour in your table. 1 hour=$22, 2 hours=$44, 3 hours=$66, and so forth. make a table of these numbers up to 7 hours.
4 0
3 years ago
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In triangle ABC, a = 9, c = 5, and angle B = 120°. Find the measure of angle A to the nearest degree. Show your work.
slamgirl [31]

<u>Answer:</u>

Angle A = 39°

<u>Step-by-step explanation:</u>

We are given that there is a triangle ABC where a = 9, c = 5 and angle B = 120° and we are to find the measure of angle A.

But first we need to find the side b using the law of cosine:

b^2 = a^2 + c^2- 2a*c*cos(120)

b^2 = 81 + 25 - 2*9*5*(-0.5)

b=\sqrt{151}

Now finding angle A using law of cosine:

cos(A) = \frac{b^2+c^2-a^2}{2b*c}

cos(A) = \frac{151+25-81}{2*12.29*5}

cos A=0.7730

A=39.38

Therefore, the measure of angle A = 39°.

7 0
3 years ago
Read 2 more answers
The sum of two numbers is
bekas [8.4K]
Okay you have 2 sum unknow lets call them X+Y

so X+Y=33, 4X=108

Get X by it self then plug it in 4X=108

X=-Y+33
4(-y+33)= 108
-4y+132=108 Then subtract the 132
-4y=-24 Y=6 then to find X subtract 33-6=27
Y=6 X=27 if you check it works out
3 0
3 years ago
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If a scale drawing of a car is 3 inches and the real car is 15 feet what is the scale and the scale factor
mote1985 [20]

Answer:

5

Step-by-step explanation: 3x5=15

6 0
3 years ago
A parasail is at 200.6 feet above the water. After 5 minutes, the parasail is at 120.8 feet above the water. What is the change
kow [346]

Answer:

   Change in height of the parasail after 5 minutes = 79.8 feet.

Explanation:

  Change in height = Absolute value of the differences of the initial height and final height.

  Initial height of parasail = 200.6 feet.

  Final height parasail  = 120.8 feet.

  Change in height of the parasail = 200.6 - 120.8 = 79.8 feet.

   Change in height of the parasail after 5 minutes = 79.8 feet.

5 0
3 years ago
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