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grigory [225]
2 years ago
6

Use the following data set to answer question 8:

Mathematics
1 answer:
stira [4]2 years ago
6 0

Answer:

15.1 to nearest tenth.

Step-by-step explanation:

The 7 is the lowest number so the mean would increase if taken away.

New mean = (8 + 12 + 13 + 15 +  18 + 19+21) / 7

= 106 / 7

= 15.14

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What is the area? Plz show me step by step. :)
ANEK [815]

Answer:

124

Step-by-step explanation:

A triangle is BH/2

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one triangle is 15.5 so multiply it by 8 since its an octagon

7 0
3 years ago
What is 30% of 7.99 ?!?
stiks02 [169]
<span>2.397 is the answer.
</span>
4 0
4 years ago
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Show your work: convert 1/8 into a decimal
lukranit [14]

answer : 0.125

explanation: it’s actually really easy all you have to do is

take the fraction and divide it like :

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3 0
3 years ago
What ratio is less than 15:24.these are the answer choices  &gt; 1:2, 7:8, 19:24, 6:8
Drupady [299]
15:24 is divisible by 3, simplifying it down to 3:8. 19:24, 7:8, and 6:8 are all obviously larger than this ratio, and 1:2 can be equalized to 4:8, which is also bigger than 3:8, so none of the answer choices are less than 15:24.
5 0
4 years ago
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What is the equation of a line that passes through the point (8, 1) and is perpendicular to the line whose equation is y=−2/3x+5
Kazeer [188]
Y = -2/3x + 5....the slope here is -2/3. A perpendicular line will have a negative reciprocal slope. To find the negative reciprocal, we flip the slope and change the sign. So our perpendicular line will have a slope of 3/2 (see how I flipped -2/3 making it -3/2....and then changed the sign, making it 3/2)

y = mx + b
slope(m) = 3/2
(8,1)....x = 8 and y = 1
now we sub and find b, the y int
1 = 3/2(8) + b
1 = 12 + b
1 - 12 = b
-11 = b

so ur perpendicular equation is : y = 3/2x - 11 <==
5 0
3 years ago
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