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3 years ago

Please help!! Geometry problem!

Mathematics

1 answer:

Vika [28.1K]3 years ago

4 0

A pentagon, 5 sides, all internal angles add up to 720°, so wen u do the maths, X=5

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A the lines are parallel

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3 years ago

The output is eight more than the input

d1i1m1o1n [39]

Answer:

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3 years ago

What is the best defenition for sample as used in in statistics

leva [86]

Answer: Well sampling is the process of choosing a representative sample from a target population and collecting data from that sample in order to understand something about the population as a whole. A data sample is a set of data collected and the world selected from a statistical population by a defined procedure.

Step-by-step explanation:

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3 years ago

13.62<br> Round to the<br> nearest whole<br> number.

julsineya [31]

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2 years ago

EMERGENCY HELP! A steady stream of water flows into a partially-filled rectangular tank. After 6 minutes, there are 87 gallons o

german

Answer:

$y=9x+33$

33 gallons of water to begin with.

Step-by-step explanation:

So we essentially are given two coordinates: (6,87) and (21,222). To find an equation, we simply need to find the slope and y-intercept. We know it's a linear equation because it's a steady stream, meaning a constant slope.

The slope is:

$m=\frac{y_2-y_1}{x_2-x_1}=\frac{222-87}{21-6}=135/15=9$

So, the rate at which the stream flows is 9 gallons per minute.

Now, let's find the initial amount of water. To do this, we can use point-slope form. Pick either of the two points. I'm going to use (6,87).

$y-y_1=m(x-x_1)\\y-87=9(x-6)\\y-87=19-54\\y=9x+33$

So, there were 33 gallons of water in the tank to begin with.

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3 years ago