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Ipatiy [6.2K]
3 years ago
15

There are three exams in a marking period. A student received grades of 75 and 81 on the

Mathematics
1 answer:
BaLLatris [955]3 years ago
6 0

Answer:

84

an 84 on the last exam would give the student an 80 for the marking period

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(x^3)^9 = <br> A: x^12 <br> B: x^27 <br> C: x^3 <br> D: x^6
Grace [21]
(x^3)^9=x^{27}
3 0
3 years ago
i need help with my homework plssssss stella drank 2/3 of her water on monday and on tuesday she drank 3/7 how much alltogether
mel-nik [20]

Answer:

1  2/21

Step-by-step explanation:

2/3 + 3/7

14/21+ 9/21= 23/21

5 0
2 years ago
Find the value of x that makes ABCD a parallelogram.
olganol [36]

The angle 5x will be 50⁰. Then the correct option is D.

<h3>What is a parallelogram?</h3>

It is a polygon with four sides. The total interior angle is 360 degrees. A parallelogram's opposite sides are parallel and equal.

The diagram is given below.

We know the sum of internal angles is 360 degrees.

Then we have

5x + 130 + 5x + 130 = 360

                         10x = 100

                             x = 10

Then the angle 5x will be

5x = 5(10)

5x = 50⁰

Then the correct option is D.

More about the parallelogram link is given below.

brainly.com/question/1563728

#SPJ1

4 0
1 year ago
Identify the form of quadratic. *<br> f (x) = 2x2 – 5x + 7
TiliK225 [7]

Answer: The answer is -x+7

Step-by-step explanation:

Multiply the numbers 2 * 2=4

=4x-5x+7

Add similar evidence 4x + -5x =-x

-x+7

8 0
2 years ago
OUT OF A RATIO OF ONE TO TEN, WHAT IS ONE? EXPLAIN.
Andrei [34K]
One is the amount you have, also  its the numerator 
7 0
3 years ago
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