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Sholpan [36]
3 years ago
5

SOMEONE PLEASE HELP HONEST AWNSERS! !

Mathematics
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

D.

\frac{2d^{2}-2d-38 }{(d+5)(d+3)}

Step-by-step explanation:

Remove any grouping symbol such as brackets and parentheses by multiplying factors.

Use the exponent rule to remove grouping if the terms are containing exponents.

Combine the like terms by addition or subtraction.

Combine the constants.

blagie [28]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Combine d 2​ and d 2​ to get 2d 2​ .

Combine −9d and −2d to get −11d.

Subtract 8 from 18 to get 10.

Combine d 2 and d 2 to get 2d 2

Add −15 and 6 to get −9.

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Softa [21]

Answer:

Step-by-step explanation:

option 4

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3 years ago
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A cone has a height of 7 ft and a radius of 4 ft. Which equation can find the volume of the cone?
KiRa [710]

Answer:

V = one-third pi (4 squared) (7) feet cubed

Step-by-step explanation:

Volume of cone v = 1/3×π(r²h)

r = 4 and h = 7

V = 1/3 × π(4²×7)

5 0
3 years ago
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Can someone help me with these math problems please? I need it done by tonight if someone can please help me by then...I'll make
kotegsom [21]

Answer:

For question 3, you would just add 2 to the x values and subtract 2 from the y values, so it would be:

J' (-2, 5)

K' (2, 6)

L' (1, 2)

M' (-3, 1)

For question 4 you would subtract 7 from the x values and 6 from the y values, and that would be:

W' (-6, 1)

X' (-1, -1)

Y' (-3, -6)

Z' (-8, -4)

For question 9 you would end up with:

X' (6, -5)

Y' (7, 1)

Z' (4, 0)

For question 10 you would end up with:

Q' (-1, 2)

R' (1, 7)

S' (-2, 6)

T' (-4, 1)

For question 11 you would end up with:

L' (4, 1)

M' (8, 5)

N' (6, 7)

P' (2, 3)

For question 12 you would end up with:

G' (6, -7)

H' (6, -4)

I' (1, -7)

Hope this is what you were looking for!

 

Step-by-step explanation:


4 0
3 years ago
For a continuous random variable X, P(20 ≤ X ≤ 40) = 0.15 and P(X > 40) = 0.16. Calculate the following probabilities. (Leave
yan [13]

Answer:

For a continuous random variable X, P(20 ≤ X ≤ 40) = 0.15 and P(X > 40) = 0.16.

Step-by-step explanation:

Here, P(x > 40) = 0.16

a). P(x < 40) = 1 - P(x > 40)

                   =  1 - 0.16

                    = 0.84

b). P(x < 20) = 1 - P(x\geq 20)

                    = 1 - {P(20 ≤ X ≤ 40) + P(X > 40)}

                    = 1 - (0.15 + 0.16 )  

                    = 1 - 0.31

                    = 0. 69

c). P(x = 40) = 0; The probability that a continuous variable assume a particular value is zero.

5 0
3 years ago
Please help with this question! I don't know which to choose.
ipn [44]

Answer:

Option 1

Step-by-step explanation:

Counter-intuitively, the correct answer is option 1. Option 2 is obviously a cross section, since it is the shape of the base of the triangle. Option 3 is also obviously a cross section, since the figure is a triangular prism. Option 4 is a cross section because, if you slice diagonally, you may create a cross section with a wider base on the bottom and larger on top. However, it is impossible to create a cross section of a rectangle from this square pyramid. Hope this helps!

7 0
3 years ago
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