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Stells [14]
3 years ago
9

A teacher gave a test with 50 questions, each worth the same number of points. Donovan got 38 out of 50 questions right. Marcis

score was 84%
How many questions did Marci answer correctly?
Mathematics
1 answer:
melisa1 [442]3 years ago
8 0

Answer:

38

Step-by-step explanation:

38of 502bhfghggiggjgfhhffj

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Find the product of 7xy and x to the 14th z
8090 [49]

Answer:

7x^15yz

Step-by-step explanation:

7(x^14x)y · z

7(x^14+1)y · z

7x^15yz

8 0
3 years ago
A triangle has side lengths of 7 in., 9 in., and 11 in. Determine whether this is a right triangle and why.
Harlamova29_29 [7]

Answer:

Not a right triangle.  See below for my reasoning.


Step-by-step explanation:

If this is a right triangle, then the sum of the squares of the two shorter sides will equal the square of the longest side:  7^2 + 9^2 = 11^2 => 49 + 81 = 121   But this is false.

8 0
3 years ago
If ln(2x=y)=x=1 then dy/dx =
umka21 [38]
N(2x+y) = x +1 

Differentiate both sides, using the Chain Rule on the left side. 
(1 / (2x + y)) * d(2x + y)/dx = 1 
(1 / (2x + y)) * (2 + dy/dx) = 1 

<span>Rearrange to isolate dy/dx.
</span>
3 0
3 years ago
Caroline can sketch 5 cartoon strips in two hours. How long will it take her to sketch 20 strips
liraira [26]

Answer:

8 hours

Step-by-step explanation:

20÷5 = 4

4×2 = 8

Hope this Helps!

:)

6 0
3 years ago
You and your family left the house for a vacation at 8 A.M. You promptly fell asleep in the
poizon [28]

Answer:

201 miles.

Step-by-step explanation:

If you've traveled 124 miles in 2 hours, than in one hour must've been 62 miles. 62 multiplied by 3 is 186, which is how much miles have been traveled in 3 hours. Plus the 15 minutes would probably be 201 miles. Hope this helps!

8 0
3 years ago
Read 2 more answers
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