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Gelneren [198K]
3 years ago
12

What is the volume of the triangle prism? ( HELP PLEASE )

Mathematics
1 answer:
worty [1.4K]3 years ago
3 0

Answer:

270 km³

Step-by-step explanation:

the volume = ½×9×6×10 = 270 km³

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3) What is the SURFACE AREA of the solid with the given measurements? Square Pyramid base edge 4 cm, slant height 11 cm​
atroni [7]

Answer:

Step-by-step explanation:

height h = 11 cm

slant height s = 11.180339887499 cm

side length a = 4 cm

lateral edge length e = 11.357816691601 cm

1/2 side length r = 2 cm

volume V = 58.666666666667 cm3

lateral surface area L = 89.442719099992 cm2

base surface area B = 16 cm2

total surface area A = 105.44271909999 cm2

4 0
3 years ago
Academy sporting goods store sells two different models of a popular
andriy [413]

Answer:

I SUCK AT WORD PROBLEMS TOOOO LOL

Step-by-step explanation:

3 0
2 years ago
7. A number of minor automobile accidents occur at various high-risk intersections in Teton County despite traffic lights. The T
Anit [1.1K]

Answer:

Modification has not reduced the number of accidents.

Step-by-step explanation:

H_0: \mu\geq0\\H_a:\mu

                                 A  B  C   D   E   F  G   H

Before modification 5  7  6   4    8   9   8   10

After modification    3  7  7   0    4   6   8    2

Difference                -2 0  1   -4   -4   -3  0   -8

Mean of differences M_d = \frac{sum}{8}=\frac{2+0-1+4+4+3-0+8}{8}=2.5

Standard deviation of differences = \sqrt{\frac{\sum(x-\bar{x})^2}{n}}=2.9277

Formula of paired t test :

t=\frac{M_d}{\frac{s}{\sqrt{n}}}\\t=\frac{2.5}{\frac{2.9277}{\sqrt{8}}}\\t = 2.4152

Df = n-1 = 8-1 =7

t critical = t_{(df, \alpha)}=t_{7,0.01}=2.998

t critical> t calculated

So, We failed to reject null hypothesis

Hence modification has not reduced the number of accidents.

6 0
3 years ago
Write 50.449 as a mixed number.
lana [24]

Answer:

50 499/1000

Step-by-step explanation:

50.499

There are 3 digits after the decimal

Our denominator is 1 with 3 zero's 1000

50 499/1000

8 0
3 years ago
Explain the difference between using the trigonometric ratios (sin, cos, tan) to solve for a
Lemur [1.5K]

Answer:

ok

this called f to do

Step-by-step explanation:

1. take a _____

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2 years ago
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