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3 years ago

DO IN 20 minutes help please!!!!A calculator was used to perform a linear regression on the values in the

Mathematics

1 answer:

iogann1982 [59]3 years ago

7 0

Answer: The answer is b !

Hope the image helps

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If i = -1, what is the value of i^3?

svet-max [94.6K]

the answer is going to be -1

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3 years ago

In a study, researchers found that for every 3 people who preferred band A toothpaste 1 person preferred band B toothpaste. Whic

oksian1 [2.3K]

C) 3:1

For every 3 people who prefer band A toothpaste 1 person preferred band B toothpaste:

3 to 1=3:1.

8 0

3 years ago

Simplify 2√2-√3<br> ---------------<br> √2+√3

serious [3.7K]

Step-by-step explanation:

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} }$

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} } \times \frac{ \sqrt{2} - \sqrt{3} }{ \sqrt{2} - \sqrt{3} }$

$= \frac{ 2( \sqrt{2} - \sqrt{3} )( \sqrt{2} - \sqrt{3} )}{ { \sqrt{2} }^{2} - { \sqrt{3} }^{2} }$

$= \frac{2(2 - \sqrt{6} - \sqrt{6} - 3) }{2 - 3}$

$= \frac{2( - 1 - 2 \sqrt{6} )}{ - 1}$

$= \frac{ - 2(1 + 2 \sqrt{6} )}{ - 1}$

$= 2(1 + 2 \sqrt{6} )$

$= 2 + 4 \sqrt{6}$

6 0

2 years ago

Please help!!

Inessa05 [86]

Let the width = w.
The length is 6 times the width, so the length is 6w.
The perimeter is 70.
P = 2L + 2W

70 = 2(6w) + 2(w)

70 = 12w + 4w

70 = 14w

5 = w

The width is 5.
The length is 6 times the width, so the length is 6 * 5 = 30

Area of rectangle = LW

A = 5 * 30 = 150

8 0

3 years ago

A cone has a radius that is<br> 12.5cm and a height of 10cm.<br> What is the volume?

Goshia [24]

Answer:

1636.25

Step-by-step explanation:

5 0

3 years ago