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EastWind [94]
2 years ago
7

A student wrote the expression -3(8 - 10) as - 24 + 30. Which property did the student use?​

Mathematics
1 answer:
jekas [21]2 years ago
4 0
<h2>They used the distributive property.</h2><h3></h3><h3>-3(8 - 10)</h3><h3></h3><h3>-3 x 8 = -24</h3><h3>-3 x -10 = 30</h3><h3></h3><h3>-24 + 30</h3><h3></h3><h3><em>Please let me know if I am wrong.</em></h3><h3></h3><h3 />
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A sample of 32 people yielded the information about their health insurance in the given table.Two people who provided informatio
DochEvi [55]

From the table given

17 people have managed care plan

9 have Traditional insurance

6 have no insurance

The probability of an event happening is given as the ratio of the number of the possible outcome divided by the total outcome.

If two balls are taken, the probability that at least one has traditional insurance

TN or TM or TT or NT or MT

where T is for traditional insurance

N is for no insurance

M is for managed insurance

the probability that at least one of two people picked without replacement has traditional insurance

= 9/32 * 6/31 + 9/32 * 17/31 + 9/32 * 8/31 + 6/32 * 9/31 + 17/32 * 9/31

= (54 + 153 + 72 + 54 + 153)/992

= 486/992

= 243/496

7 0
10 months ago
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6 0
3 years ago
Read 2 more answers
What are the measures of the missing angles x°, y° of a regular triangle if one angle measure equals 60°?​
MArishka [77]

Answer:

So each interior angle measurement of the regular triangle is 60 degrees.

Step-by-step explanation:

If the triangle is regular, this means all the side measurements are congruent to each other and that all the angle measurements are congruent to each other.

If the sum of the angles in a triangle is 180 degrees and you know they are each the same then you could either solve x+x+x=180 or know we are just dealings with an equiangular triangle in which all angles have measurement 60 degrees.

If need more convincing, let's actually solve:

x+x+x=180

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x=180/3

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3 0
3 years ago
Find the first term of the arithmetic sequence in which a38= -5 and the common difference is -2.9
mestny [16]

Answer:

102.3

Step-by-step explanation:

a_38 = -5

difference d= -2.9

We use general formula

a_n = a_1 + (n-1)d

WE make the formula for a_38 th term

Plug in 38 for n

a_{38} = a_1 + (38-1)d

Now plug in -2.9 for d and -5 for a_38

-5 = a_1 + (38-1)(-2.9)

-5 = a_1 - 107.3

Now add 107.3 on both sides

102.3 = a_1

option A is correct



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2 years ago
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