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olya-2409 [2.1K]
3 years ago
9

Need help ASAP ELO help help help help help

Mathematics
1 answer:
Yuki888 [10]3 years ago
3 0
Your answer would be 50.24
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What is the value of x????
inysia [295]

If QR is a median, then:

\dfrac{NO+MP}{2}=QR

We have NO = 30, MP = 9x - 42 and QR = x + 15. Substitute:

\dfrac{30+9x-42}{2}=x+15\qquad\text{multiply both sides by 2}\\\\9x-12=2x+30\qquad\text{add 12 to both sides}\\\\9x=2x+42\qquad\text{subtract 2x from both sides}\\\\7x=42\qquad\text{divide both sides by 7}\\\\\boxed{x=6}

<h3>Answer: A. 6</h3>
3 0
3 years ago
Please help me with #2! Thanks!!!
Tanya [424]
The answer is B because the inverse of a squared number is the square root.
7 0
3 years ago
A spinner has 20 equally sized sections, 8 of which are yellow and 12 of which are blue. The spinner is spun and, at the same ti
Lyrx [107]

Answer:

3/10.

Step-by-step explanation:

Probability (A blue on the spinner) =  12/20 = 3/5.

Probability( tails) = 1/2.

The probability of a blue and tails = 3/5 * 1/2

=  3/10.

3 0
3 years ago
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It takes Jessica 1 1/2 hours to write 3 pages of her research paper. If she has to have a total of 10 pages, how long will it ta
murzikaleks [220]
It would take 5 hours because you take 3 and divide that by 1.5 & you get 2 so 5 multiplied by 2 is 10. it would take her 30 minutes per page
6 0
3 years ago
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A man started from his home and drives 30km to the south and then 86km to the north . How far is he from his home now ??
ladessa [460]

Answer:

56km North of his home.

Step-by-step explanation:

30km south - 86km north

= 56km north

6 0
3 years ago
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