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joja [24]
3 years ago
7

Select the correct answer.​

Mathematics
1 answer:
Likurg_2 [28]3 years ago
5 0

Answer:

a

Step-by-step explanation:

i did this test and question beforer si know what it iso

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9, 14, 7, 9, 3, 12, 5,4
Rus_ich [418]

Answer:

mean: 65

median: 9

Step-by-step explanation:

You take all the numbers you have and add them up. Make it simple by adding smaller numbers together. Then once you have the total which is 65 you divide it by the total of numbers you have and then round because after dividing you get 8.125 and the safest way to round is to 9.

5 0
3 years ago
Which ordered pairs are solutions to the inequality
Kipish [7]

Answer:

(1,-1)

(7,12)

(5,-3)

Step-by-step explanation:

we know that

If a ordered pair is a solution of the inequality, then the ordered pair must  satisfy the inequality

we have

y-2x \leq -3

Verify each case

case 1) we have

(1,-1)

substitute the value of x and the value of y in the inequality and then compare the results

-1-2(1) \leq -3

-3 \leq -3 ----> is true

therefore

The ordered pair is a solution of the inequality

case 2) we have

(7,12)

substitute the value of x and the value of y in the inequality and then compare the results

12-2(7) \leq -3

-12 \leq -3 ----> is true

therefore

The ordered pair is a solution of the inequality

case 3) we have

(-6,-3)

substitute the value of x and the value of y in the inequality and then compare the results

-3-2(-6) \leq -3

9 \leq -3 ----> is not true

therefore

The ordered pair is not a solution of the inequality

case 4) we have

(0,-2)

substitute the value of x and the value of y in the inequality and then compare the results

-2-2(0) \leq -3

-2 \leq -3 ----> is not true

therefore

The ordered pair is not a solution of the inequality

case 5) we have

(5,-3)

substitute the value of x and the value of y in the inequality and then compare the results

-3-2(5) \leq -3

-13 \leq -3 ----> is true

therefore

The ordered pair is a solution of the inequality

6 0
3 years ago
A mosaic at the art museum contains 2,889 tiles. design a plan to divide the tiles into equal sections.
LenaWriter [7]

Given that a mosaic at the art museum contains 2,889 tiles. Now we have to design a plan to divide the tiles into equal sections.

Let the number of sections in which equal tiles can be distributed = x

so that means x must divide total number of tiles 2889 evenly.

to divide 2889, evenly, x must be a divisor of 2889.

Divisors of 2889 are 1, 3, 9, 27, 107, 321, 2889.

So that means number of possible sections in which equal number of tiles can be distributed are 1, 3, 9, 27, 107, 321, 2889.

7 0
3 years ago
(0.2)^3<br><br><br> A. 0.04<br><br> B. 3.2<br><br> C. 0.008<br><br> D. 0.6
erma4kov [3.2K]

Step-by-step explanation:

The exponent of a number describes how many times to multiply the number by itself.

(0.2)^3=0.2 \times 0.2\times 0.2

<u>Multiply;</u>

0.2 \times 0.2 \times 0.2

0.04 \times 0.2

0.008

\boxed{C. \: 0.008 \: is \: the \: correct \: option.}

6 0
2 years ago
Read 2 more answers
Find the percent of each number. 64% of 75 tiles. 20% of 70 plants. 32% of 25 pages. 85% of 40 e-mails. 72% of 350 friends. 5% o
ValentinkaMS [17]

Clearly, wether we're talking about tiles, plants, pages, e-mails, friend or files, the math won't change! :)

Percentages are just special fractions, since they have denominator 100. So, for example, 64% of 75 is given by

75\times \dfrac{64}{100} = 75\div 100 \times 64 = 0.75\times 64=48

So, you divide the number by 100 and then you multiply by the percentage you want. As a last example, 20% of 70 is

70\times \dfrac{20}{100} = 70\div 100 \times 20 = 0.7\times 20=14

And so on with all the others

8 0
3 years ago
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