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grigory [225]
3 years ago
9

PLEASE HELP A. 7 inches B. 14 inches C. 49 inches D. 28 inches

Mathematics
2 answers:
Setler [38]3 years ago
5 0

Answer:

D

Step-by-step explanation:

RUDIKE [14]3 years ago
5 0

Answer:

D

Step-by-step explanation:

7+7+7+7=28

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Flat screen tv cost $1,400 the tv is on sale 35% off what is the discounted price on the tv
guajiro [1.7K]
Easy,

finding the complement (net price) subtract the discount percentage by 100% to get the net price percentage. Net price equals the list price minus the discount price.

100%-35%=65%

Multiply the list price ($1,400) by the complement.

Net price= 0.65(1,400)=$910

Thus, the new price is, $910.
7 0
3 years ago
Read 2 more answers
An insurance company has provided you with a sample of paid claims. The sample includes the following claims: 192, 113, 200, 287
Gennadij [26K]

The required value of mean and variance is 203 and 3942 respectively.
Hence option B is correct.

The sample includes the following claims: 192, 113, 200, 287, and 225.

<h3>What is Statistic?</h3>

The statistic is the study of mathematics which deal with relations between comprehensive data.

Mean(x) = 192+113+200+287+225/5
x = 203

variance =\frac{\sum(x-x_i)^2}{n^2-1}

=summation of squared value/n^2−1

=15769/25−1

=15769/24

=3942

Thus, the required value of mean and variance is 203 and 3942 respectively.

Learn more about Statistics here:

brainly.com/question/23091366

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8 0
2 years ago
Suppose you have a random variable that is uniformly distributed between 1 and 29. what is the expected value for this random va
Kryger [21]
Assuming the distribution is continuous, you have

\mathbb E(X)=\displaystyle\int_1^{29}\frac x{29-1}\,\mathrm dx=\dfrac1{28}\int_1^{29}x\,\mathrm dx=15

If instead the distribution is discrete, the value will depend on how the interval of number between 1 and 29 are chosen - are they integers? evenly spaced rationals? etc
3 0
3 years ago
Find the roots of this equation 7xsquare - 5x - 2 = 0
Sophie [7]

Answer:

x = 1, -2/7

Step-by-step explanation:

You could use the quadratic equation but this can be factored into

(7x + 2) (x - 1).  You can verify that by multiplying it out.

Since (7x + 2) (x - 1) = 0, if either factor is 0 then the equation would be equal to 0, thus we get x = 1, -2/7

7 0
3 years ago
**Write them into an inequality!**
Alex73 [517]
1. 12in (1ft)+X=28in
2. 6in.+X=42
3. 170.5sq.ft./15.5=x
4. 120ft/12ft=x10sec.
5 0
3 years ago
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