2 years ago

SOMEONE PLZ HELP 20 POINTS ASAPP

Mathematics

1 answer:

Crazy boy [7]2 years ago

6 0

Answer:

1. makes two right triangles

2. not similar

3. similar, the bottom one is dilated by 3

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The correct choice is d

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What’s the largest fraction: 7/8, 5/8, 7/13, and 11/19

garik1379 [7]

Answer:

7/8

Step-by-step explanation:

7/8 = 0.875

5/8 = 0.625

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The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many t

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Answer:

$1\times 10^4\ times$

Step-by-step explanation:

Given:

Width of average grain of salt is, $w=0.0003\ m$

Width of Rhinovirus is, $W=0.00000003\ m$

Now, expressing each width in scientific notation form, we get:

$w=0.0003\ m = 3\times 10^{-4}\ m\\\\W=0.00000003\ m = 3\times 10^{-8}\ m$

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

$\frac{W}{w}=\frac{3\times 10^{-4}\ m}{3\times 10^{-8}\ m}\\\\\frac{W}{w}=1\times 10^{-4-(-8)}=1\times 10^{-4+8}=1\times 10^4\\\\\therefore W=1\times 10^4\times w$

Therefore, the grain of salt is $1\times 10^4\ times$ wider than Rhinovirus.

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Christian is going to invest $310 and leave it in an account for 20 years. Assuming the interest is compounded daily, what inter

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r=5.86%

Step-by-step explanation:

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How is the counting principle mathematically used?

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Answer: multiplying outcomes

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