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Arlecino [84]
2 years ago
8

latasha had a piece of leather string that was 18 inches long that she wants to use to make wrist bands if each wrist needed to

be 6 inches long how many wrist bands can she make
Mathematics
2 answers:
Nonamiya [84]2 years ago
6 0

Answer:

the answer is 3

Step-by-step explanation:

take 18 and divide it by 6 and you get 3

tangare [24]2 years ago
4 0
18 divided by 6 is 3, 3 is the answer
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The volume of a rectangular prism with a square base is 180 in3. Its height is 5 in. Find the length of the edge of the square b
amid [387]

Answer:

l = 6 inches

Step-by-step explanation:

We have,

The volume of a rectangular prism with a square base is 180\ in^3.

Height of the prism is  5 in

It is required to find the length of the edge of the square base. Let it is l.

The formula of the volume of the rectangular prism is given by :

V=l\times b\times h

A is area of base of prism

It has a square base, l =b

V=l^2\times h\\\\l=\sqrt{\dfrac{V}{h}} \\\\l=\sqrt{\dfrac{180}{5}} \\\\l=6\ in

So, the length of the  edge of the square base is 6 inches.                  

4 0
3 years ago
Simplify this equation
siniylev [52]

Answer: 3x/(x-3)(x+1)

8 0
2 years ago
in a store parking lot the ratio of blue cars to silver cars is 2:3 there are 24 blue cars how many silver cars are in the lot
yanalaym [24]
The answer is 36 silver cars
3 0
3 years ago
The life span of a certain insect​ (in days) is uniformly distributed over the interval left bracket 15.29 right bracket . A. Wh
Leni [432]

The exercise says that the life variable is measured in days, that is, it is a discrete distribution, this because it takes finite and punctual values, 21, 22, 23 days, etc., not 21 and a half days or 23 and a quarter days.

Now, the discrete uniform distribution assumes that the probability of each value it takes is equal.

In this case the distribution takes 15 values, from 15 to 29 including the extremes, so the probability of each value is \frac{1}{n} = \frac{1}{15}, so the probability mass function will be:

f(x)=\left \{ {{\frac{1}{15},x=15,16,..,28,29} \atop {0, else}} \right.

With this we can calculate the probability that an insect, selected at random, lives more than 24 days, like this:

P (x> 24) = f (25) + f (26) + f (27) + f (28) + f (29) + f (30) + f (31) ...\\P (x> 24) = \frac{1}{15} + \frac{1}{15} + \frac{1}{15} + \frac{1}{15} + \frac{1}{15} + 0 + 0 + ...\\P (x> 24) = \frac{5}{15} = \frac{1}{3}

On the other hand, the expected life or average life in this distribution is calculated as follows: \frac{a+b}{2} that this case is \frac{15+29}{2} = 22

Answer

A) The awakened life of the insect is 22 days

B) The probability that an insect, selected at random, lives more than 24 days is 1/3 = 0.33 = 33.3%

5 0
3 years ago
What's x ? find the indicated side of the right triangle
expeople1 [14]

-------------------------------------------------------------------------------------------------------------

Answer:  \textsf{x = 6}

-------------------------------------------------------------------------------------------------------------

Given:  \textsf{The image provided with 2 angles and one side}

Find:  \textsf{Solve for the unknown side of x}

Solution:  In order to determine the length of x we need to use some trigonometric functions.  Using Soh Cah Toa we can see that we can either use 30 degrees or 60 degrees.  We will stick to 60 and we can see that the opposite side is 3 and the hypotenuse is x meaning that we need to use sin.  Plug in the values and solve for the unknown.

<u>Plug in the values</u>

  • \textsf{sin(30) = }\frac{\textsf{opposite}}{\textsf{hypotenuse}}
  • \textsf{sin(30) = }\frac{\textsf{3}}{\textsf{x}}

<u>Multiply both sides by x</u>

  • \textsf{sin(30) * x = }\frac{\textsf{3}}{\textsf{x}}\textsf{ * x}
  • \textsf{sin(30) * x = 3}

<u>Divide both sides by sin(30)</u>

  • \textsf{sin(30) * x}*\frac{1}{\textsf{sin(30)}}\textsf{ = 3}}*\frac{1}{\textsf{sin(30)}}
  • \textsf{x = 3}}*\frac{1}{\textsf{sin(30)}}

<u>Simplify</u>

  • \textsf{x = 3}}*\frac{1}{\textsf{0.5}}
  • \textsf{x = 6}

Therefore, the value of the unknown variable x is 6 units.

4 0
1 year ago
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