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Elenna [48]
3 years ago
8

Elavter of using distuburting propties a. 17×102 b. 477×1035 -477×35​

Mathematics
1 answer:
V125BC [204]3 years ago
3 0

Answer: a. 1734    b. 477000

Step-by-step explanation:

We know that,

Distributive property : a(b+c)  = ab+ac

a. 17 x 102

=  17 (100+2)

= 17 x 100 + 17 x 2  [Distributive property ]

= 1700+34

= 1734

b. 477×1035 -477×35​

= 477 (1035-35)  [Distributive property ]

= 477 (1000)

= 477000

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Which is the lowest rate? 8 cashiers for 96 people or 2 cashiers for 20 people
garik1379 [7]
The correct answer is “2 cashiers for 20 people”
8 cashiers for 96 people would help 12 people each while 2 cashiers for 20 people would only help 10 people each
3 0
2 years ago
How much principal must be deposited in a 5 year simple interest account that pays 4,75% interest to earn $500 in interest
allsm [11]

Answer: $2105.26

Step-by-step explanation:

<u>Concept:</u>

The formula to find simple interest is I=Prt

<u>Given:</u>

t=5 year

r=4.75%

I=$500

<u>Solve:</u>

I=Prt

500=P(4.75%)(5)

100=P(4.75%)

<h2>P=$2105.26</h2>
8 0
2 years ago
Consider a sample with data values of 10, 20, 12, 17, and 16. Compute the z-score for each of the five observations. If required
Mila [183]

Answer:

\begin{tabular}{c|ccccc}{$x$&10&12&16&17&20&z&-1.397&-0.839&0.2795&0.559&1.397&\end{tabular}

Step-by-step explanation:

z-score is denoted by:

z=\dfrac{x-\mu}{\sigma}

here,

\mu: mean

\sigma: standard deviation (or the square root of the variance)

so first we need to find the means of our sample:

\mu=\dfrac{10+20+12+17+16}{5}\\\mu = 15\\

Now to find the standard deviation we first need to find the variance of the sample. The variance is the sum of the squares of the differences of each value from the mean.

\sigma^2 = \dfrac{(10-15)^2+(20-15)^2+(12-15)^2+(17-15)^2+(16-15)^2}{5}\\\sigma^2 = 12.8

the standard derviation is simply the square root of the variance!

\sigma = \sqrt{\sigma^2} \\\sigma = \sqrt{12.8} \\\sigma = 3.5778

Now that we all the values for our z-score formula. we can plug it in!

z=\dfrac{x-\mu}{\sigma}

z=\dfrac{x-15}{3.5778}

Finally we'll use each value in place of x from our sample into the formula to find the z-score of each value.

z=\dfrac{10-15}{3.5778} = -1.397

z=\dfrac{20-15}{3.5778} = 1.397

z=\dfrac{12-15}{3.5778} = -0.839

z=\dfrac{17-15}{3.5778} = 0.559

z=\dfrac{16-15}{3.5778} = 0.2795

We can even display the z-scores in a table: (the x-values are in ascending order)

\begin{tabular}{c|ccccc}{$x$&10&12&16&17&20&z&-1.397&-0.839&0.2795&0.559&1.397&\end{tabular}

5 0
3 years ago
GUYS IM GIVING 30 POINTS TO WHOEVER ANSWERS THIS properlyyyyyyyyyyyyyyyyy I RLLY RLLY NEED HELPPP! ILL GIVE U BRAINLIEST TOOOOOO
lisabon 2012 [21]
For step one, it’s Graph A because it’s going through the origin
For step two, the rate of change is -3, you can find the answer by using the rise/run method by going down three and going right once.
For step 3, the dividing method doesn’t work because -1 divided by 2 isn’t 0.
For step four, go to the point (-2,-4) and from that point draw a line up three units. From there draw a line right two units, and you should stop at -1 on the 6-axis

I hope this helped!
4 0
3 years ago
If u answer this correctly u will get a thanks and show
Verizon [17]
61.8 x 1.7 = 105.06

35.80 x 5.6 = 200.48
5 0
3 years ago
Read 2 more answers
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