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3 years ago

There are 7 days in 1 week. How many days are there in 4 weeks?

2 answers:

5 0

Hey! This is a very simple question, let me walk you through.

1 week = 7 days.

7 days, multiplied by 4 weeks, is 28.

This means, 28 days are in 4 weeks.

trapecia [35]3 years ago

4 0

There are 28 days in 4 weeks. Hope this helps :)

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SHAYNA FREEL PLANS TO BUY $17.45 WORTH OF STATIONERY SUPPLIES. IF THE SALES TAX IS 13%, HOW MUCH WILL SHAYNA PAY?

Rainbow [258]

9514 1404 393

Answer:

$19.72

Step-by-step explanation:

The sales tax is 13% of $17.45:

0.13 × $17.45 = $2.27 . . . . . . rounded (up) to the nearest cent

Then the total Shayna will pay is ...

$17.45 +2.27 = $19.72

7 0

3 years ago

Jenny is making a tie-dyed shirts for her class with her school colors

tia_tia [17]

Answer:

2 ounces of yellow, six of blue.

Step-by-step explanation:

If you teacher wants you to simplify put: yellow: 1, blue: 3

If not, put: yellow: 2, blue: 6

4 0

2 years ago

Which of the following is a solution to the system of two equations y = 3x – 1 and y = 2x + 3?

NeTakaya

Point form: (4,11)
equation form: x=4 y=11

4 0

2 years ago

H. 15% of 80 is what number?

vichka [17]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

ANSWER IF YOU HAVE SOLUTION OR ELSE YOU WILL BE REPORTED!

liberstina [14]

Answer:

c) 0.5284

Step-by-step explanation:

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by the formula:

$z=\frac{p_s-p}{\sigma_p} \\\\where\ p_s=sample\ proportion,p=population\ proportion,\\\sigma_p=standard \ error=\sqrt{ \frac{p(1-p)}{n}},n=sample\ size\\\\ z=\frac{p_s-p}{\sqrt{ \frac{p(1-p)}{n}}} \\\\Given \ that\ n=50,p=40\%=0.4\\\\For\ p_s=0.35:\\\\z=\frac{0.35-0.4}{\sqrt{\frac{0.4(1-0.4)}{50} } } =-0.72\\\\For\ p_s=0.45:\\\\z=\frac{0.45-0.4}{\sqrt{\frac{0.4(1-0.4)}{50} } } =0.72$

Hence from the normal distribution table, P(0.35 < x < 0.45) = P(-0.72 < z < 0.72) = P(z < 0.72) - P(z < -0.72) = 0.7642 - 0.2358 = 0.5284

5 0

2 years ago