4 years ago

SOMEONE PLEASE HELP ASAP!! THANK YOU SO MUCH!!!

Mathematics

1 answer:

Keith_Richards [23]4 years ago

6 0

4) (-4,-3)
5) (3,-1)
6) (4,4)

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Find the lateral area of a rectangular prism with l=6, w=4, h=2

lord [1]

Answer:

40 square units

Step-by-step explanation:

The surface area is given by

LA = 2(wh+lh)

where h is the height l is the length and w is the width

We do not include the top or bottom

We know l=6 w=4 and h=2

LA = 2 ( 4*2 + 6*2)

lA = 2( 8+12)

= 2 (20)

= 40

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3 years ago

The weights of adobe bricks used for construction are normally distributed with a mean of 3 pounds and a standard deviation of 0

dedylja [7]

Answer: a) 0.8413, b) 0.9987.

Step-by-step explanation:

Since we have given that

Mean = 3 pounds

Standard deviation = 0.25 pounds

n = 28 bricks

So, (a) What is the probability that all the bricks in the sample exceed 2.75 pounds?

$P(X>2.75)\\\\=P(z>\dfrac{2.75-3}{0.25}\\\\=P(z>\dfrac{-0.25}{0.25})\\\\=P(z>-1)\\\\=0.8413$

b) What is the probability that the heaviest brick in the sample exceeds 3.75 pounds?

$P(X>3.75)\\\\=P(z>\dfrac{3.75-3}{0.25})\\\\=P(z>\dfrac{0.75}{0.25})\\\\=P(z>3)\\\\=0.9987$

Hence, a) 0.8413, b) 0.9987.

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3 years ago

Solve for x if 2(1+3x) =3

Archy [21]

Answer:

x is 5

Step-by-step explanation:

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3 years ago

Help me pls ASAP on this will give u brainlist

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Answer:

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Step-by-step explanation:

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3 years ago

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Write the equation of a line that passes through the points (-3,7) and (3,3)

zhannawk [14.2K]

(-3,7) and (3,3)

Slope = (7 - 3)/(-3 - 3) = -4/6 = -2/3

Equation:

y - 3 = -2/3 (x - 3)

y - 3 = -2/3 x + 2

y = -2/3 x + 1

Answer

y = -2/3 x + 1

7 0

3 years ago