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nataly862011 [7]
3 years ago
10

help asap pls!!!!!!!!!! Which equation can be used to determine the distance between the origin and (–2, –4)?

Mathematics
1 answer:
Semenov [28]3 years ago
8 0
We know that
the distance formula is
d=√[(y2-y1)²+(x2-x1)²]
 point (0,0) and point  <span>(–2, –4)
</span>d=√[(-4-0)²+(-2-0)²]---------> d=√[16+4]-------> d=√20
d=4.47 units

the answer is the option B
see the attached figure

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Find the following rates. Round your answer to the nearest hundredth. a. ? % of 75 = 5 b. ? % of 28 = 140 c. ? % of 100 = 40 d.
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Answer:

a) 6.67% b) 500% c) 40% d) 7.5%

Step-by-step explanation:

a. ? % of 75 = 5

<em>Let ? be y.</em>

<em>Of means multiply so we will replace it with a multiplication sign.</em>

<em>y% x 75 = 5</em>

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b) ?% of 28 = 140

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<em>y% x 28 = 140</em>

<em>y% = 140/28</em>

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<em>y = 5 x 100</em>

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c) ?% of 100 = 40

<em>Let ? be y.</em>

<em>Of means multiply so we will replace it with a multiplication sign.</em>

<em>y% x 100 = 40</em>

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d) ?% of 200 = 15

<em>Let ? be y.</em>

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<em>y% x 200 = 15</em>

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y = 7.5 %

!!

8 0
3 years ago
HELP PLZ and hurry thank you
sergejj [24]

|-2 2/3| = 0 - (-2 2/3)

= 2 2/3  answer

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PLS HELP WHAT ARE THESE TWO ILL GIVE BRAINLESS AND SHOW UR WORK
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Answer:

2) C

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jek_recluse [69]
He worked 4 hours on monday.
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