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3 years ago

HELP ASAP ILL GIVE BRAINLYIST

Mathematics

1 answer:

Ratling [72]3 years ago

6 0

Answer:

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Step-by-step explanation:

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Y times 3=9 y =what

Nezavi [6.7K]

Answer: 3 Y=3

Step-by-step explanation:

Y×3=9

3×3=9

You can also check this by rearranging it and dividing 9 by 3.

9÷3=3.

This works for any similar problem.

Example:

Y×4=12 Y=? Y=3

Rearrange it and divide 12 by 4.

12÷4=Y

12÷4=3

So Y×4=12 because 3×4=12

Hope this helps!

6 0

3 years ago

In a sample of 700 gas stations, the mean price for regular gasoline at the pump was $2.894 per gallon and the standard deviati

frez [133]

Answer:

$P(x < 2.892) = 4.36\%$

Step-by-step explanation:

Given

$N = 700$ --- Population

$\mu = 2.894$ -- Mean

$\sigma = 0.009$ --- Standard deviation

$n = 55$ -- Sample

Required: $P(x < 2.892)$

This question will be solved using the finite correction factor

First, calculated the z score

$z = \frac{x - \mu}{\sqrt{\frac{N -n}{N -1}} * \frac{\sigma}{\sqrt n}}$

$z = \frac{2.892 - 2.894}{\sqrt{\frac{700 -55}{700 -1}} * \frac{0.009}{\sqrt {55}}}$

$z = \frac{-0.002}{\sqrt{\frac{645}{699}} * \frac{0.009}{7.42}}$

$z = \frac{-0.002}{\sqrt{0.92} * \frac{0.009}{7.42}}$

$z = \frac{-0.002}{0.95917 * 0.0012129}$

$z = -1.71$

So:

$P(x < 2.892) = P(z < -1.71)$

Using z table

$P(x < 2.892) = 0.043633$

$P(x < 2.892) = 4.36\%$

3 0

3 years ago

Determine whether the system of linear equations has one solution infinitely many solutions or no solution explain your reasonin

hammer [34]

Answer: The equations have no solution because no solution graphs have the same slopes but difference y- intercepts.And by looking at the equations they both have same slope as 3 but different y-intercepts 5 and -5.

Step-by-step explanation:

y= 3x + 5

y = 3x- 5

3x + 5 = 3x -5

-3x -3x

5 ≠ 5

5 0

3 years ago

Whats TWO expressions that are equal to 2(3j+ 5 + 6j). REMEMBER I NEED TWO. ANSWER GETS BRAINLEST, 10 POINTS, 5 STARS, AND A THA

attashe74 [19]

Answer: I hope this helps!!!

Step-by-step explanation:

Phrase 1: 18j+10

Phrase 2: 2(9j+5)

4 0

3 years ago

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Find the most common multiples of 2 an 5

luda_lava [24]

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3 years ago