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PIT_PIT [208]
3 years ago
11

100 points to anyone who can solve these problems! Please show work! :)

Mathematics
2 answers:
yulyashka [42]3 years ago
7 0
4. 20 minutes
Explanation- It's the only answer with "minutes" as an answer.
aliina [53]3 years ago
3 0

Answer:

20 minutes

Explanation- It's the only answer with "minutes" as an answer.

Step-by-step explanation:

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Evaluate the expression 2(8 - 4)^2 - 10 / 2
Artemon [7]
2(8-4)^2-5
16-32-5
-21





you can change the -10/2 to a -5 and it will be easier.
5 0
3 years ago
Read 2 more answers
Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(3,−2), B(6, -2), C(6, 5) D
Vikki [24]

Answer:

Step-by-step explanation:

Distance=\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}} \\

A(3,-2) ;  B(6,-2)

AB=\sqrt{(6-3)^{2}+(-2-[-2])^{2}}\\\\ =\sqrt{3^{2}+(-2+2)^{2}}\\\\=\sqrt{9+0}=\sqrt{9}\\\\

AB = 3 units

B(6,-2) ;  C(6,5)

BC=\sqrt{(6-6)^{2}+(5-[-2])^{2}} \\\\=\sqrt{0+(5+2)^{2}}\\\\=\sqrt{(7)^{2}}\\

BC = 7 units

Area of rectangle = length * width

                             = AB * BC

                             = 3 * 7

                             = 21 square units

3 0
3 years ago
Read 2 more answers
The following are the last 7 days adjusted closing stock prices (in $) for Citigroup: 22, 25, 20, 15, 40, 55, 28 A) Compute the
son4ous [18]

Answer:

(A) The 25th percentile is 20.

(B) The mean of the data set is 20 and the median of the data set is 25. The data set is left-skewed.

Step-by-step explanation:

The data set arranged in ascending order is:

S = {15, 20, 22, 25, 28, 40, 55}

(A)

Compute the 25th percentile as follows:

25^{th} \text{Percentile}=[\frac{n+1}{4}]^{th}obs.\\\\=[\frac{7+1}{4}]^{th}obs.\\\\=2^{nd}obs.\\\\=20

Thus, the 25th percentile is 20. This value implies that exactly 25% of the observations are less than 20.

(B)

Compute the sample mean as follows:

\text{Mean}=\frac{22+25+20+15+40+55+28}{7}=\frac{205}{7}=29.29

Compute the median as follows:

For a set with odd number of observations, the median value if the middle value.

The middle value is 25.

Thus, the mean of the data set is 20 and the median of the data set is 25.

The Mean < Median.

This implies that the data set is left-skewed.

4 0
2 years ago
How would you solve #8
stellarik [79]
I hope this helps you

4 0
3 years ago
Mike had 5 5/6 he gave 11/6 to mathew and 4/6 to nolan and 3/4 to sanjar how much does mike have now
dexar [7]
Find a common denominator or the bottom number of a fraction. 5 and 5/6 - 11/6 - 4/6 - 3/4 = 140/24 - 44/24 - 16/24 - 18/24 = 96/24 - 16/24 - 18/24=62/24 or 2 and 7/12.
3 0
3 years ago
Read 2 more answers
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