MATHEMATICS MIDDLE SCHOOL

A. Show that the ratios 10/20 and 30/60 form a proportion by finding a common multiplier.B. Show that the ratios in part (A) are equal by writing them in simplest form.

Answers

Answer 1
Answer:

Answer:

\text{(A) Hence, The ratio }(10)/(20)\text{ form a proportion by common multiplier 3 to get }(30)/(60)

\text{(B) Hence, Both ratio are equal to }(1)/(2)\text{ in simplest form. }

Step-by-step explanation:

(A) We need to show both fraction of same proportion.

Ratio 1:  (10)/(20)

If we multiply by 3 at numerator and denominator

\RIghtarrow (10* 3)/(20* 3)

\RIghtarrow (30)/(60)

\RIghtarrow (30)/(60) \text{ is equivalent ratio of second one }\frec{30}{60}

\text{Hence, The ratio }(10)/(20)\text{ form a proportion by common multiplier 3 to get }(30)/(60)

(B) Now we simplify both ration into simplest form

\Rightarrow (10/ 10)/(20/ 10)=(1)/(2)

\Rightarrow (30/ 30)/(60/ 30)=(1)/(2)

\Rightarrow (1)/(2)=(1)/(2)

\text{Hence, Both ratio are equal to }(1)/(2)\text{ in simplest form. }

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Suppose sarah $12 left on her gift card. How would this change the equation and the final answer?

Answers

because she had the $12 dollars on their but she can only use it at a certain store

Help with 9 pls thx

Answers

the answer to the problem is -25

A keyboard is on sale for $676. If this price represents a 20% discount from the original price,what is the original price to the nearest cent?

Answers

Therefore, the original price to the nearest cent is $ 845.

What is the percentage?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".

Here given that,

A keyboard is on sale for $676. If this price represents a 20% discount from the original price,

So,

(676)/(80)=8.45 $

And, 8.45(100)=845 $

Hence, the original price to the nearest cent is $ 845.

To know more about the percentage

brainly.com/question/13244100

#SPJ2
$676 ÷ 80 = $8.45
$8.45 x 100 = $845total

What's 2/5 x -125/8?

Answers

2/5 x -125/8
0.4 x -15.625

The answer is: -6.25

What’s the answer to 9 and 10???

Answers

Hey!

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

Question 9:

3x = 15

3x/3 = 15/3

x = 5

c. Division

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Question 10:

x - 10 = 2

x + (-10) = 2

x + (-10) + 10 = 2 + 10

x = 12

c. Addition

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

Hope this helped, good luck!

Answer:

9. C. division

10. D. addition

Step-by-step explanation:

When solving for X the goal is to get it all by itself on one side of the equation and to do that you have to undo the operations already in effect on it.  In number 9 the x is multiplied by 3 so to undo that you would need to divide by 3 and that would cancel out leaving the x by itself.  Then you would need to divide by 3 on the other side of the equation also to keep it balenced.  In number 10 the X is connected to the 10 through subtraction so to cancel that out you would subtract 10 from both sides to get the X alone.

I hope this helps and please don't hesitate to ask if there is anything still unclear!

How do you put 8/100 ,3/5 ,7/10 from least to greatest

Answers

From least to Greatest: 8/100, 7/10, 3/5
you can do it like this 3/5 7/10 8/100
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