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pashok25 [27]
3 years ago
6

Solve problems and show work with them

Mathematics
1 answer:
Eddi Din [679]3 years ago
8 0
19. The answer is D: 60x^2 - 30x^2
THe length of the rectangle is equal to 10x by 6x so the whole rectangles area is 60x
Now you do the area of the triangle 5x(3x)=15x and divide by two because it’s a triangle so the area of the one triangle is 7 1/2x and there are 4 rectangles so 7.5(4)=30. Now you subtract the 30x from the 60x

20. The answer is 239.44
If the perimeter of the hexagon is 48ft then each side(there are 5sides so we divide 48 by 5) is 9.6 ft.
Now you plug 9.6 into the formula where the lowercase a is to get the area(I’m going to attach a screenshot of it because it’s hard to read without symbols.)

21. The answer is B. 220m^2
To find the area of the teapot our we can find the area of the triangle and the rectangle and add them together
Rectangle: 18(10)=180
Triangle: 8(10)=80
80/2=40
Rectangle + triangle = trapezoid
180+40=220

22. The answer is J. 96in
We solve for x by making the two expressions equal to each other
3x-6=x+14
3x=x+20
2x=20
X=10

Now we plug 10 one the expressions, because they are equal.
3(10)-6
30-6
24

There are 4 sides so 24(4)=96

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Troista Mobile Accessories sells mobile apps on their Web site. If a customer spends on average, $12 per visit and visits the We
Leno4ka [110]

Answer: The required average is $576.

Step-by-step explanation:

Since we have given that

Percent of customers not returning each year = 25%

Average customer lifetime = \dfrac{1}{0.25}=4\ years

Percent of margin on the average bill = 60%

Cost per visit = $12

Number of times each year visited = 20 times

So, Average expense by each customer per year = 12\times 20=\$240

Average margin = 60% of 240 = 0.6\times 240=\$144

Average non discounted gross profit during a customer's lifetime is given by

144\times 4=\$576

Hence, the required average is $576.

8 0
3 years ago
List two equivalent numbers to 0.50
ad-work [718]
1/2, 4/8. If in decimal form, you can also do 0.5 or 0.500
8 0
2 years ago
What is the equation of the line through the points (1,1), (5,4) (9,7) and (13,10)
mr_godi [17]

Answer:

its c

Step-by-step explanation:

8 0
2 years ago
Graeco-Latin Square is a form of blocking by one variable. a form of blocking by four variables. a form of blocking by three var
antoniya [11.8K]

Answer:

A form of blocking by three variables.

Step-by-step explanation:

Graeco-Latin square design is a special type of comparative design.

Graeco-Latin square design uses 3 blocking variables unlike the 2 blocking variable as used by the standard Latin square design.

In this square design of experiment, the experimental units are grouped into three different ways.

8 0
3 years ago
Mr. quick bought new computer system. The regular price was 1,580 , but he got a 15% discount. How much did he actually pay?
N76 [4]

Answer:

$1343

Step-by-step explanation:

The equation would be

x= 1580 (1-0.15)

x represents how much he actually pays.

1-0.15=0.85.

1580×0.85=1343

8 0
2 years ago
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