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3 years ago

Help please! ty sm. image attached below

Mathematics

1 answer:

Bond [772]3 years ago

6 0

Answer:

its 5

Step-by-step explanation:

it's in between them

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10.99 CD; 25% discount help me also show step by step how to do it

sladkih [1.3K]

Step 1: 25% = 1/4 Turn the percent into a fraction
Step 2: 10.99 x 1/4 Multiply the discount
Step 3: 2.75 Get the amount that will be discounted
Step 4: 10.99 - 2.75 Subtract the total cost by the discount.
Answer: $8.24

4 0

3 years ago

6x+10>5x-12<br> Help needed

mr Goodwill [35]

Answer:

x > -22

Step-by-step explanation:

6x+10>5x-12

Subtract 5x from each side

6x-5x+10>5x-5x-12

x+10 > -12

Subtract 10 from each side

x+10-10>-12-10

x > -22

4 0

3 years ago

Need help with the rest of my problems

mariarad [96]

H) 58.48 - Instruments
I) 8.46 - Are
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7 0

4 years ago

Find tan 0. <br> (Lots of points if correct)

Oxana [17]

Answer:

Your answer is 15/8

3 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