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Alenkasestr [34]
3 years ago
15

Evaluate the expression by using the given values of the variables.

Mathematics
1 answer:
zepelin [54]3 years ago
3 0
Order of operations tell us that we do multiplication and division first in the order we get to them, and then addition and subtraction after.  24/4*3-6/3+8.  We'll divide 24 by 4 to get 6, but then we immediately have to multiply 6 times 3 to get 18.  Then move down to 6 divided by 3 to get 2.  So what we have now is 18 - 2 + 8 which is 24.
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How are proptions and percents the same
Lelechka [254]

Answer:

1 would be 10%, but a proportion is a ratio, as in this case 10/100 = 1/10= . 1, but 10% is not a ratio in of itself, but is a proportion of 100. % means OF one hundred. A proportion is a number TO another number.

Step-by-step explanation:

4 0
2 years ago
Cable company a increase their rates from 98 a month to 110.92 a month.what is the percents of increase?
Debora [2.8K]
So from 98 to 110.92 is just 12.92 extra bucks.

if we take 98 to be the 100%, what is 12.92 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
98&100\\
12.92&p
\end{array}\implies \cfrac{98}{12.92}=\cfrac{100}{p}\implies p=\cfrac{12.92\cdot 100}{98}
6 0
3 years ago
Each leg of a 45-45-90 triangle measures 14 cm what is the length of the hypotenuse
PtichkaEL [24]

Answer:

14 square roots of 2 is correct

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please help me with this question!!
stepladder [879]

Answer:

  1. rational
  2. irrational
  3. irrational
  4. irrational
  5. √7, it is irrational

Step-by-step explanation:

A <em>rational</em> number is one that can be expressed as the ratio of two integers. All fractions that have integer numerators and (non-zero) denominators are <em>rational</em> numbers. Any finite decimal number, or any repeating decimal number, is a rational number. These can always be expressed as the ratio of two integers. For example, 0.4040... = 40/99, and 0.286 = 286/1000.

To make an irrational sum, at least one of the contributors must be irrational. You want an irrational 2-number sum that has 7/8 as one of the contributors. Since 7/8 is rational, the other contributor must be irrational.

__

<u>Step 1</u>. The number 7/8 is <em>rational</em>.

<u>Step 2</u>. The desired sum is <em>irrational</em>.

<u>Step 3</u>. The rule <em>rational + </em><em>irrational</em><em> = irrational</em> applies.

<u>Step 4</u>. An <em>irrational</em> number must be chosen.

Step 5. √7 will produce an irrational sum, because <em>it is irrational</em>.

5 0
2 years ago
A semi-circle with a diameter of 6 cm sits on top of an isosceles trapezoid. Find the area of the entire figure.
dedylja [7]

Answer:

                                     

Step-by-step explanation:

8 0
2 years ago
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