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Vsevolod [243]
2 years ago
12

Rory earned an 84% on his test. He answered 21 questions correctly. How many total questions were on the

Mathematics
1 answer:
Anna35 [415]2 years ago
4 0

Answer:

21 is 84% to 25, so there would be 25 total questions on the test

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Mrs.Harris has a coupon for a 25% on any one book. The regular cost of the book she wants to buy is $32. What will be the discou
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\frac{25}{100}*32=8

The discount will be 8$

7 0
3 years ago
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Which number can each term of the equation be multiplied by to eliminate the decimals before solving?
Sati [7]
Ok...

5.6 = 56/10 = 560/100

1.1 = 11/10 = 110/100

0.12 = 12/100

--------------

\frac { 560 }{ 100 } j-\frac { 12 }{ 100 } =4+\frac { 110 }{ 100 } j\\ \\ \\ 100\times \left( \frac { 560 }{ 100 } j-\frac { 12 }{ 100 }  \right) =\left( 4+\frac { 110 }{ 100 } j \right) \times 100\\ \\ 560j-12=400+110j\\ \\ 560j-110j=400+12\\ \\ 450j=412\\ \\ j=\frac { 412 }{ 450 }

So, the answer is: 100

You could multiply both sides of the equation by 100 to get the value of (j) quickly.
6 0
3 years ago
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Evgen [1.6K]

Answer:

f(X) 70x49

Step-by-step explanation:

5 0
2 years ago
WILL MARK BRAINLIEST!
Maurinko [17]

Answer:

  A)  square; rectangle; rhombus

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Which ordered pair is the best estimate for the
d1i1m1o1n [39]

Answer:

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Now that you have your x variable, you can go back and plug it in to your original equations:

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