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NISA [10]
3 years ago
10

What is the answer to this write two equivalent ratios. 7 11

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
5 0
If the ratio is 7:11, two equivalent ratios would be 14:22 and 21:33. Just take the two halves of the ratio and multiply them by the same number.
14:22 is just 7x2:11x2
Similarly, 21:33 is 7x3:11x3
(The dots are to represent the ratio, fyi.)

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Define a variable and write an expression for the phrase.
azamat

Answer:

The expresion for the phrase is:

\frac{2x}{8}

Step-by-step explanation:

In order to get the expression for the phrase, we have to understand the described operations in it.

The phrase starts with "the quotient of...", therefore the expression must be a fraction:

\frac{A}{B}

To get what is the numerator (A) and the denominator (B), we have to analyze carefully the rest of the phrase: "...2 times a number and 8"

In this case, the word "and" separates the numerator from the denominator:

Numerator: "2 times a number"

This unknown number is called x

Therefore, numerator of the fraction (A) is:

A = 2x

And the Denominator: "8"

Therefore: B=8

Finally, replacing values:

\frac{A}{B} = \frac{2x}{8}

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4 years ago
Here are some temperatures. Edinburgh -5 °C Exeter 3 °C Manchester -2 °C a) Which place is the coldest? b) Give the difference i
ruslelena [56]

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Step-by-step explanation:

7 0
3 years ago
-25/J = 5<br> 16 + s = -90<br> 13 + t = 51<br> r/10 = (-6)<br> a + -12 =45
alexandr1967 [171]

we conclude that the solution for the given algebraic expressions are:

  • J = -5
  • s = -106
  • t = 38
  • r = -60
  • a = 57

<h3>How to solve these algebraic expressions?</h3>

Here we have some simple algebraic expressions:

The first one is:

-25/J = 5

We want to solve this for J.

Remember that we can perform the same operation in both sides of the equation, then we cans tart by multiplying both sides by J.

(-25/J)*J = 5*J

-25 = 5*J

Now we can divide both sides by 5, so we isolate J:

(-25)/5 = (5*J)/5

-5 = J

We conclude that the solution is J = -5.

Now, similarly for the other equations we have that:

16 + s = -90

Here we subtract 16 in both sides:

s = -90 - 16 = -106

13 + t = 51

Here we subtract 13 in both sides:

t = 51 - 13 = 38

r/10 = (-6)

Here we multiply both sides by 10:

r = (-6)*10 = -60

a + (-12) = 45

Here we add 12 in both sides:

a = 45 + 12 = 57

Then we conclude that the solution for the given algebraic expressions are:

  • J = -5
  • s = -106
  • t = 38
  • r = -60
  • a = 57

If you want to learn more about algebraic expressions:

brainly.com/question/4344214

#SPJ1

6 0
2 years ago
Marvin has 4 books to read for homework this week. If he reads 2/3 of a book each night, how many nights will it take him t read
Elenna [48]
2/3
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8/3
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14. A jar contains 3 colors of marbles. Noah reached into the jar five different times and randomly chose some marbles, recorded
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Answer:

the answer is b About 75% of the marbles are purple

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