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aliya0001 [1]
3 years ago
6

7:8:9=__:12:__ 20 characters lolololol

Mathematics
1 answer:
Marina CMI [18]3 years ago
6 0

Answer:

21/2  : 12  : 27/2

Step-by-step explanation:

7:8:9=__:12:__

12/8 = 3/2

Multiply each term by 3/2

7*3/2  :8* 3/2  :9*3/2

21/2  : 12  : 27/2

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Ms. Martin ordered new pom poms for her cheerleaders. She paid $157.94, which included 6% sales tax. How much were the pom poms
Tpy6a [65]

Answer:

$149.00

Step-by-step explanation:

Selling Price = Final Price / 1 + Sales Tax

(reverse tax calculator)

"For Example:

If your total receipt amount was $57.98, and you paid 1.07 percent in sales tax, you’d simply plug those numbers into our calculator to find out that your original price before tax was $57.37. From there, it is a simple subtraction problem to figure out that you paid .61 cents in sales tax."

5 0
3 years ago
Read 2 more answers
Solve 4^x+2 = 12 for x using the change of base formula log base b of y equals log y over log b.
valentinak56 [21]

The value of x is 1.66

Step-by-step explanation:

Let use revise the rules of exponential and logarithmic equations

1. If y = b^{x}, then log_{b}(y)=x

2. log_{b}(y) = \frac{log(y)}{log(b)}

Use the rules above to solve the problem

∵ 4^{x}+2=12

- Subtract 2 from both sides

∴ 4^{x}=10

change the exponential equation to logarithmic equation

∴ log_{4}(10)=x

∵ log_{4}(10) = \frac{log(10)}{log(4)}

∴ x = \frac{log(10)}{log(4)}

∴ x = 1.66

The value of x is 1.66

Learn more:

You can learn more about logarithmic function in brainly.com/question/10633485

#LearnwithBrainly

6 0
3 years ago
Janae and Jerome each have m marbles. Gwen has 4(m + 2) marbles. John has 8m + 4 marbles. If John has more marbles than Janae, J
Ne4ueva [31]

Answer:

C, D, E

Step-by-step explanation:

The numbers of marbles are:

  • Janae - m;
  • Jerome - m;
  • Gwen - 4(m+2);
  • John - 8m+4.

Janae, Jerome, and Gwen combined have

m + m + 4(m+2) = m + m +4m + 8 =6m + 8 marbles.

If John has more marbles than Janae, Jerome, and Gwen combined, then

8m+4>6m+8,\\ \\8m-6m>8-4,\\ \\2m>4,\\ \\m>2.

So, possible answers are

  • Janae and Jerome each have 3 marbles;
  • Janae and Jerome each have 4 marbles;
  • Janae and Jerome each have 5 marbles.
7 0
3 years ago
How do you solve -7-x=24
Airida [17]

Answer:

-31

Step-by-step explanation:

you have to get the variable on one side alone. so you would add the -7 to the 24 then divide by -1 because you have a -x when adding the -7 to the 24

3 0
3 years ago
Help help help helpppp ASAP!
Margarita [4]

Answer: 12n-10= -58

+10. +10 (add to both sides)

12n. = -48

÷12. ÷12 (isolate variable)

n. = -4

6 0
2 years ago
Read 2 more answers
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