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Snezhnost [94]
2 years ago
8

If your grade is 81.89% and you get 30% on a hw whats your grade

Mathematics
2 answers:
ss7ja [257]2 years ago
7 0

Answer:

75%

Step-by-step explanation:

zvonat [6]2 years ago
7 0

Answer:

homework is 30% of ur grade i thought it was 15%

Step-by-step explanation:

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Sam and Edna have 56 marbles together. Edna had six times more marbles than Sam. How many Mor marbles does Sam have
Aliun [14]
X+6x=56. 7x=56. Divide each side by 7 to get x=8. So Edna has 48 marbles. Sam has 8 marbles. She has 40 more marbles. Hope this helps! ;)
8 0
3 years ago
The base of a triangle is one third of its height. If the area of the triangle is 24 square inches, what are the base and height
Burka [1]

Answer:

D. 4in, 12in

Step-by-step explanation:

Area of triangle  = 24in²

Unknown:

Base and height of the triangle = ?

Solution:

The area of a triangle  = \frac{1}{2} x base x height

   From the problem,

        base  = \frac{1}{3} x height

let the base  = b

            height  = h

         b =  \frac{1}{3}h

          h = 3b

Input into the formula of area;

       24  =  \frac{1}{2} x b x 3b

   Mulitply through by 2;

       48 = 3b²

         b² = 16

         b = √16 = 4

So, h = 3b= 3 x 4 = 12in

6 0
3 years ago
PLEASE HELP: CONSUMER MATH
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Answer:

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Step-by-step explanation:

5 0
3 years ago
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Find the value of 7×+2y when x=2and y=-9
jeka94
The answer should be -4,
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Can someone help me?
tatyana61 [14]

Answer:

21

Step-by-step explanation:

4 0
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