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Helen [10]
3 years ago
7

Please do this I am begging u

Mathematics
2 answers:
eduard3 years ago
7 0

Answer:

1. ad=cr

2.a=r

3. rmc

3. verticle angles

4.mrc

4.aas

Step-by-step explanation:

Oduvanchick [21]3 years ago
6 0

Answer:

1) AD = RC      2) Angle A = Angle R      3) Angle AMD = Angle CMR Reason: Vertical angles theorem.      

Step-by-step explanation:

I can't really explain my process since some are self explanatory, but if you do have questions, always know that you can reply and I'll answer them. Also, number four is cut off so I'm not sure if there is a fill in a blank portion there.

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Jane spent 3 hours exploring a mountain with a dirt bike. First, she rode 55 miles uphill. After she reached the peak she rode f
Neko [114]

Answer:

Her speed on the summit was 35 mph.

Step-by-step explanation:

Her speed on the summit was "x" mph while her speed while climbing was "x - 10" mph. The distance she rode uphill was 55 miles and on the summit it was 28 miles. The total time she explored the mountain was 3 hours. Therefore:

time uphill = distance uphill / speed uphill = 55 / (x - 10)

time summit = distance summit / speed summit = 28 / x

total time = time uphill + time summit

3 = [55 / (x - 10)] + 28 / x

3 = [55*x + 28*(x - 10)]/[x*(x - 10)]

3*x*(x - 10) = 55*x + 28*x - 280

3x² - 30*x = 83*x - 280

3x²  - 113*x + 280 = 0

x1 = {-(-113) + sqrt[(-113)² - 4*(3)*(280)]}/(2*3) = 35 mph

x2 = {-(-113) - sqrt[(-113)² - 4*(3)*(280)]}/(2*3) = 2.67 mph

Since her speed on the uphill couldn't be negative the speed on the summit can only be 35 mph.

6 0
3 years ago
PLZ HELP
Lelechka [254]

Answer:

5 quartz would make the most sense, hope this helps

Step-by-step explanation:

7 0
2 years ago
A student missed 3 questions on a 30 question test. what percent did she get correct?
Lyrx [107]

Answer:

90%

Explanation: 27/30 ÷ 3 = 9/10

9/10 ⇒ 9 x 10 = 90%

4 0
2 years ago
Expressions equal to 10^5
Drupady [299]

Answer:

10 x 10 x 10 x 10 x 10, 20 x 20 x 10, 30 x 20

6 0
3 years ago
What is the number of coefficients in 6a-3, 0.2-y+8z, and 1/2 n? <br><br> Someone please help
hjlf
There are 3 coefficents. There is one in 6a, which is 6, one in 8z, which is 8, and one in 1/2n, which is 1/2.

Hope this helps, Ngam123!

3 0
3 years ago
Read 2 more answers
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