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kirill [66]
3 years ago
6

What shape is this?????

Mathematics
1 answer:
Illusion [34]3 years ago
7 0

Answer:

Step-by-step explanation:

Quadrilateral

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What is the missing dimention with a cilinder with base as d and the height as 14 and it has a volume of 7433 in 3
Korolek [52]

Answer:

26in

Step-by-step explanation:

Volume of a cylinder = πr²h

Given

height h = 14in

Volume = 7433in³

Required

base d = 2r

r is the  radius

get the radius r

7433 = 3.14 * 14r²

7433 = 43.96r²

r² = 7433/43.96

r² = 169.08

r = 13.00

Since the base d = 2r

d = 2(13)

d = 26in

Hence the base of the cylinder is 26in

4 0
3 years ago
Let f(x) = xe−x if x ≥ 0 and f(x) = 0 if x &lt; 0<br> Is f a probability density function?
Lynna [10]

Yes. f(x) is a PDF if

• f(x) \ge 0 for all x in the support; this is true, since e^{-x}>0 for all x, and multiplying a positive number x doesn't change this fact;

• the integral of f(x) over its support is 1; this is also true, since

\displaystyle \int_{-\infty}^\infty f(x) \, dx = \int_0^\infty xe^{-x} \, dx = 1

which can be computed by parts.

3 0
1 year ago
While attempting to solve the equation , Hazel made an error. Her work is shown to the right. Explain the mistake, and provide t
balu736 [363]

Answer:

Step-by-step explanation:

X=-11 because,

Step 1: Simplify both sides of the equation.

x

2

+

4

x

=

77

Step 2: Subtract 77 from both sides.

x

2

+

4

x

−

77

=

77

−

77

x

2

+

4

x

−

77

=

0

Step 3: Factor left side of equation.

(

x

−

7

)

(

x

+

11

)

=

3 0
3 years ago
I need help on this please
Ipatiy [6.2K]
I can not see the image you provided .
4 0
3 years ago
Read 2 more answers
(01.04 MC)Simplify the following expression: (−4)(−2)(−3) A -24 B -11 C 11 D 24
lys-0071 [83]

Answer:

-24

Step-by-step explanation:

So in short this is what it means:

-4×-2×-3

So to work it out this is what you do:

Deal with the first two numbers; -4 × -2=8

It becomes an eight without a negative because when multiplying numbers with the same signs(positive or negative) the answer is always a positive number thus the answer becomes 8.

Then 8×-3=-24

This is because when multiplying a negative and positive numbers the answer is always a negative numbers thus -24.

So automatically the answer is -24.

HOPE IT HELPED

6 0
3 years ago
Read 2 more answers
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