3 years ago

Answer for brainilest and 10 points

Mathematics

1 answer:

lions [1.4K]3 years ago

5 0

Rational number I believe

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I need help with this please

Kazeer [188]

Answer:

score = 63

Step-by-step explanation:

1. To write the proportion take the score of the test over the number of points and set it equal to the percent over 100

score 90

----------- = -----------

70 100

Using cross products

100 * score = 90*70

100 score = 6300

Divide by 100

100/100 * score = 6300/100

score = 63

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cboxed%7B%5Cboxed%7B%20%5Cbegin%7Barray%7D%7B%7D%5Clarge%5Ctt%20The%20%20%5C%5C%20%20%5Ct

larisa86 [58]

Distance formula

$\boxed{\sf \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}$

Now

$\\ \tt\Rrightarrow AB=\sqrt{(3-3)^2+(-2-8)^2}=\sqrt{100}=10units$

$\\ \tt\Rrightarrow OK=\sqrt{(5-7)^2+(-2+2)^2}=\sqrt{4}=2units$

$\\ \tt\Rrightarrow LM=\sqrt{(-4-4)^2+(6+4)^2}=\sqrt{64+100}=\sqrt{164}\approx 13units$

$\\ \tt\Rrightarrow PC=\sqrt{(5-2)^2+(1-3)^2}=\sqrt{9+4}=\sqrt{13}=3.2units$

$\\ \tt\Rrightarrow QR=\sqrt{(-2+10)^2+(3-9)^2}=\sqrt{64+36}=\sqrt{100}=10units$

8 0

2 years ago

Read 2 more answers

Luis found two bicycles he likes. The price of the first bicycle is 73.59. The price of the second bicycle is 98.50. Estimate th

geniusboy [140]

$24.91
Subtract the two bicycle prices

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2 years ago

Read 2 more answers

Factor the following, I will give 5 stars and thanks.

tigry1 [53]

Answer:

13) $n=-3,-7$

14) $b=-4,-8$

15) $m=-7$

16) $a=-5,-7$

Step-by-step explanation:

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2 years ago

What is the value of a in the figure shown?

Lemur [1.5K]

Answer:

Step-by-step explanation:

z = 180 - (180 - 114.8) - 45.6 = 114.8-45.6 = 69.2°

5 0

3 years ago