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tino4ka555 [31]
3 years ago
11

High points and brainliest given.

Mathematics
1 answer:
VladimirAG [237]3 years ago
5 0

Answer:

11700 mm²

Step-by-step explanation:

Vertical height between the centres of top and bottom circles

sqrt[(2×28)² - 28²]

= 28sqrt(3)

Width of the rectangle

= 4×28

= 112

Length of the rectangle

= 28sqrt(3) + 2(28)

= 56 + 28sqrt(3)

Area = 112 × (56 + 28sqrt(3))

= 11703.71133 mm²

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Using the net below, find the surface area of the triangular prism.
Luden [163]

Answer:

Hi, there! The total surface area of that prism is 118 cm^2.

Step-by-step explanation:

The three rectangles on the side are called the lateral area, and they add up to 98(I'm assuming you know how to find the area of a 2d shape), and as for the triangles on the sides, you can just use the formula which is b*h/2.

Hope this helps :)

4 0
2 years ago
Read 2 more answers
(0,8)<br> (-2,0). What is the equation of the linear graph shown?
Alex73 [517]

Answer:

4

x value increases  by 2 in the time it takes y value to increase by 8

8/2 = 4

6 0
2 years ago
A car rental firm has 410 cars. Sixty-five of these cars have defective turn signals and 35 have defective tires. (Enter your pr
ollegr [7]

Answer:

(a)

Number of cars with defective turn signals = 65

Number of cars with no defective turn signals = 410 - 65 = 345

<u>Required probability:</u>

  • P = 345/410*100% ≈ 84.15%

(b)

Number of cars with defects = 65 + 35 = 100

Number of cars with no defects = 410 - 100 = 310

<u>Required probability:</u>

  • P = 310/410*100% ≈ 75.61%
3 0
2 years ago
Shawna invests $5,048 in a savings account with a fixed annual interest rate of 4% compounded 12 times per year. How long will i
Elena-2011 [213]

Answer:

5 years

Step-by-step explanation:

In the question we are given;

  • Amount invested or principal amount as $5048
  • Rate of interest as 4% compounded 12 times per year
  • Amount accrued as $6,163.59

We are required to determine the time taken for the money invested to accrue to the given amount;

Using compound interest formula;

A=P(1+\frac{r}{100})^n

where n is the interest period and r is the rate of interest, in this case, 4/12%(0.33%)

Therefore;

6,163.59=5,048(1+\frac{0.333}{100})^n

1.221=(1+\frac{0.333}{100})^n

1.221=(1.0033)^n

introducing logarithms on both sides;

log1.221=log(1.0033)^n\\n=\frac{log1.221}{log1.0033} \\n=60.61

But, 1 year = 12 interest periods

Therefore;

Number of years = 60.61 ÷ 12

                            = 5.0508

                            = 5 years

Therefore, it will take 5 years for the invested amount to accrue to $6163.59

3 0
3 years ago
Jackie drinks a bottle of water and a bottle of orange juice every morning.
igomit [66]

Answer: <u>B, about 280 ounces</u>

16.9 + 15.2 = 32.1

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B is the closest and is rounding both numbers up.

C is false because you don't multiply by 10, you multiply by 7 because of the 7 days in a week.

D is false for the same reason as C.

4 0
2 years ago
Read 2 more answers
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