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3 years ago

Find the surface area of the triangular prism please.

Mathematics

1 answer:

Kobotan [32]3 years ago

3 0

Surface area = area of 3 rectangles + 2 triangles

= 3*(3*7) + 2 * ( 1/2 * 3 * 2.6)

= 63 + 2* 3.9

= 70.8 in^2

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erica [24]

I believe it’s b :)))

8 0

2 years ago

<img src="https://tex.z-dn.net/?f=%5Coverline%7BAB%7D" id="TexFormula1" title="\overline{AB}" alt="\overline{AB}" align="absmidd

ad-work [718]

Answer:

B: 65°

Step-by-step explanation:

Step 1:

AB ║ ED Given

Step 2:

∠E = 65° Given

Step 3:

∠ABC = 65° Alt. Int. ∠'s ( Alternate Interior ∠'s)

Answer:

B: 65°

Hope This Helps :)

8 0

3 years ago

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Number Frequency 1,400 3 1,450 7 1,500 7 1,550 5 1,600 4 1,650 2 1,700 1 What is the mode?

poizon [28]

Mode is the number that shows up the most

in this case, it is 71,500 which shows up twice, one more than any of the other numbers

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3 years ago

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An athletics coach states that the distribution of player run times (in seconds) for a 100-meter dash is normally distributed wi

Elza [17]

Answer:

$P(X$

And we can find this probability using the normal standard distribution table and we got:

$P(z$

And the percentage faster than 13.28 seconds would be 91.9%

Step-by-step explanation:

Let X the random variable that represent the runtimes of a population, and for this case we know the distribution for X is given by:

$X \sim N(13,0.2)$

Where $\mu=13$ and $\sigma=0.2$

We want to find this probability:

$P(X$

And we can use the z score formula given by:

$z=\frac{x-\mu}{\sigma}$

Using this formula we have:

$P(X$

And we can find this probability using the normal standard distribution table and we got:

$P(z$

And the percentage faster than 13.28 seconds would be 91.9%

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3 years ago

What is 0.111 repeating as a fraction

Liono4ka [1.6K]

Answer: 1/9

Explanation: these types of repeating decimals are equivalent to the fraction that has the number doing the repeating in its numerator and the number 9 in its denominator.

Hope this helps!

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3 years ago