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hoa [83]
3 years ago
5

I will give Brainliest. URGENT!!!

Mathematics
1 answer:
Sergio039 [100]3 years ago
6 0

Answer:

RZ = 71

SW = 142

x = 22

Step-by-step explanation:

3x + 5 + 3x + 5 = 7x - 12 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: 6x + 10 = 7x - 12 \\  \frac{ - 7x \:  \:  \:  \:  \:  \:  \:  =  - 7x}{ - 1x + 10 =  - 12}  \\  \frac{  \:  \:  \:  \:  \:  \:  \:  \:  \: - 10 =  - 10}{  \frac{ - 1x}{ - 1}  =  \frac{ - 22}{ - 1} }  \\  \\ x = 22

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A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18. a. What is th
shutvik [7]

Answer:

The  height of the density function is \frac{1}{22}

Step-by-step explanation:

Given : A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18.

To find : What is the height of the density function f(x)?

Solution :

According to question,

The height of the density function is given by,

f(X)=\frac{1}{b-a}

Where, a is the lower bound a=-4

b is the upper bound b=18

Substitute the value in the formula,

f(X)=\frac{1}{18-(-4)}

f(X)=\frac{1}{18+4}

f(X)=\frac{1}{22}

Therefore, The  height of the density function is \frac{1}{22}

5 0
3 years ago
Read 2 more answers
(A) find F(x) for the indicated values of x, if possible
dem82 [27]

Answer:

A) The indicated values of F(x) for x=-3 and x=5 are F(-3)=-27  and F(5)=125

B) The domain of f is the set of all real numbers

Step-by-step explanation:

Given that the function F is defined by

F(x)=x^3 for x=-3,5

A) To find F(x) for the indicated values of x :

Given F(x)=x^3 for x=-3,5

  • Put x=-3 in the given function

F(-3)=(-3)^3

=(-3)\times (-3)\times (-3)

=-27

Therefore F(-3)=-27

  • Put x=5 in the given function

F(5)=(5)^3

=(5)\times (5)\times (5)

=125

Therefore F(5)=125

The indicated values of F(x) for x=-3 and x=5 are F(-3)=-27  and F(5)=125

B) To find the domain of f :

The domain of the f in the given expression is the set of all real numbers except where the expression x^3 is undefined. In this case, there is no real number that makes the expression undefined.

The domain of f is the set of all real numbers

8 0
3 years ago
Need help<br> Pleaseeeee
fomenos

Answer:

164 m^2

Step-by-step explanation:

You can think of the shaded area in different ways. One of the ways is the entire outer colored rectangle minus the area of the small white rectangle inside.

The large colored rectangle is 12 m by 15 m.

The inner rectangle is 8 m tall. The width is 12 m - 5 m - 5 m = 2 m

A = 12 m * 15 m - 2 m * 8 m

A = 180 m^2 - 16 m^2

A = 164 m^2

4 0
3 years ago
Read 2 more answers
- Compare. Write &lt;, &gt;, or=.<br> -1/2 ___1.25<br> 0___-2.25<br> -1.5___-0.25
Phoenix [80]

Answer:

1.25 is greatrer

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Step-by-step explanation:

8 0
3 years ago
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PLEASE HELP ME ON THIS THE ANSWERS ARE 1/3 cm/s, 1/2 cm/s, 2/3 cm/s, and 3/2 cm/s
Tomtit [17]

Answer:  3/2 cm per second

========================================================

Explanation:

We could compute the slope of this line to get the answer, or we could simply compute y/x. This shortcut only works because the line goes through the origin. If the line didn't go through the origin, then we would have to use the slope formula.

The unit rate is y/x = 9/6 = 3/2 cm per second. I used the point (9,6) to compute the unit rate.

We can think of the fraction 3/2 as 1.5, so the unit rate is equivalent to 1.5 cm/sec.

7 0
3 years ago
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