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IrinaVladis [17]
3 years ago
10

PLEASE ANSWER ALL QUESTIONS

Mathematics
1 answer:
sleet_krkn [62]3 years ago
5 0

Answer:

(-2) - 4 = -6

5 - (-5) = 10

7 + (-4) = 3

Step-by-step explanation:

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PLEASE HELP 7TH GRADE MATH
pychu [463]
Famous pa la playa pa curarte el some
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3 years ago
Find the product of 4√/27 and 5√3 in simplest form. Also, determine whether the
tresset_1 [31]

The product of 4√27 and 5√3 in simplest form is 180. Thus, the result obtained is a rational number

<h3>Surd operation</h3>

Surd multiplication can be carried out as illustrated below:

a√b × c√d = (a × c)√(b × d)

<h3>How to determine the product of 4√27 and 5√3</h3>

The product of 4√27 and 5√3 can obtained as illustrated below:

a√b × c√d = (a × c)√(b × d)

4√27 × 5√3 = (4 × 5)√(27 × 3)

4√27 × 5√3 = 20√81

But

√81 = 9

Thus,

4√27 × 5√3 = 20 × 9

4√27 × 5√3 = 180

Therefore, the product of 4√27 and 5√3 is 180

<h3>What are rational numbers?</h3>

These are number that are expressed as a ratio of two integers inwhich the denominator is not equal to zero

Considering that the product of 4√27 and 5√3 is 180, we can thus say that 180 is a rational number since it can be written as 180 : 1 (or 180 / 1)

Therefore, was can conclude that the result obtained from the product of 4√27 and 5√3 is a rational number

Learn more about surd:

brainly.com/question/24700530

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7 0
2 years ago
Jacob and Ashley run an animal shelter that houses only cats and dogs. they have 37 adult animals 21 cats and 16 dogs. A group o
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The most likely number of cats = 21/37 x 8 = 4.54 ≈ 5 cats
The most likely number of dogs = 16/37 x 8 = 3.46 ≈ 3 dogs

The probability of that arrangement happening = 1/8^2 = 1/64 = 0.00156
3 0
3 years ago
9. Solve x - 72 &gt; 21.
castortr0y [4]

Inequalities are just like regular equations with only one exception.  Which is when yo multiply or divide by a negative number to both sides of the inequality sign you must flip it.  But, for this inequality that rule will no apply.  So, what I do to make it easier because I know we all see a different sign in an equation and we start to freak out.  So, change the inequality sign to an equals sign to get a hang of working with them.  

Example of changing an inequality sign to an equals sign:

x-72=21

x-72+72=21+72    Addition property of equality

x=93

                                        or

Example of keeping the inequality sign

x-72>21

x-72+72>21+72   Addition property of equality

x>93

7 0
4 years ago
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find the rate of travel for a fishing boat with a speed of 10 miles per hour moving Downstream with a current of 5 miles per hou
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Answer:

36 miles (b+C) (3)of rate

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