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mars1129 [50]
3 years ago
8

20 POINTS!!!!!!!!!

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0
1) the answer is y=3x-2
Explanation: the slope is the number on the left side of x and the y-intercept is on the right side of x.

2) the answer is y=2x+3
Explanation: Henry's slope is the same as Adriana's (2/1). Henry's y-intercept is one lower than Adriana's, so you subtract (4-1=3) - Henry's y-intercept is 3.
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Which statement is true? Point estimates are used to make inferences about population parameters. When we use the population mea
zhannawk [14.2K]
I think the Answer is A.<span>Point estimates are used to make inferences about population parameters</span>
7 0
3 years ago
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The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 18
kogti [31]

Answer: One side could be 18 and the other side will be 33.

Step-by-step explanation:

  • Side #1 = 18
  • Side #2 = 2x - 3
  • Side #3 = x

<u>One way of setting up the inequality is: Side #2 + Side #3 > Side #1</u>

<u />2x-3+x>18\\3x-3>18\\3x>18+3\\3x>21\\x>7

<u>Another way of setting up the inequality is: Side #1 + Side #3 > Side #2</u>

<u />18+x>2x-3\\18+3>2x-x\\x<u />

<u>Final way of setting up the inequality is: Side #1 + Side #2 > Side #3</u>

<u />18+2x-3>x\\15>x-2x\\15>-x\\x>-15<em />

<em>Therefore, we have the range for our value of x, which is between 7 and 21. Any possible value between works. Negative measurements are rejected. One of the sides would equal the x-value, while the other side would equal the value of 2x-3.</em>

3 0
3 years ago
Erika is following a 2200 calorie per day diet.she eats the recommended servings of bread s and cereals, averaging 120 calories
lora16 [44]
The answer should be 50 calories in each serving of vegetables.

7 0
3 years ago
collection agency specializing in collecting past due commercial invoice charges 27 an application fee plus 14%
grandymaker [24]
27+14=41 check work:

41÷27 =14
4 0
3 years ago
Antonio sold a hat for $18. His wholesale cost was $8. What was the percent markup?
Paraphin [41]
Make\ a\ fraction\ and\ multiply\ it\ by\ 100\%\\\\&#10;\frac{wholesale\ cost}{price\ of\ hat}*100\%=\frac{8}{18}*100\%=\frac{800}{18}\%=44\frac{8}{18}\%\\\\&#10;Percent\ markup\ was\ 44\frac{8}{18}\%.
7 0
3 years ago
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