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andrezito [222]
2 years ago
13

Fwam answered 149 questions correctly on his multiple choice science final that had

Mathematics
1 answer:
aniked [119]2 years ago
6 0

Answer:

he answered 74.5% of questions correctly

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Two triangles are similar. The dimensions of the first are 7, 8, and 10, while the dimensions of the second one are 3.5, 4, and
Irina-Kira [14]
The scale factor used is .5 because 7, 8, and 10 multiplied by .5 will equal 3.5, 4, and 5.
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3 years ago
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Five numbers has a mean of 12. When one (1) number is removed the mean is 11. What is the value of the number removed?
bonufazy [111]

Answer:

16

Step-by-step explanation:

The mean of a group of values is calculated as

mean = \frac{sum}{count}

Given 5 numbers with a mean of 12, then

\frac{sum}{5} = 12 ( multiply both sides by 5 )

sum = 60

let the number removed be x , then

\frac{60-x}{4} = 11 ( multiply both sides by 4 )

60 - x = 44 ( subtract 60 from both sides )

- x = - 16 ( multiply both sides by - 1 )

x = 16

The number removed was 16

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3 years ago
Which theorem or postulate proves the two triangles are similar
Alina [70]
Because all 3 sides are given for both triangles you can use the SSS theorem
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3 years ago
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Which of the following is a proportion?
Anestetic [448]

Answer:

the first one

Step-by-step explanation:

because 4/6=2/3

2/3=6/9

so 4/6=6/9

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2 years ago
William bought a new sweater at the store when they were having a 45% off sale.
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William payed $8.55 at the discount price
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