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Lera25 [3.4K]
2 years ago
11

PLZ Help me. This is difficult.

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
7 0

Answer:

its B

Step-by-step explanation:

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Let X represent the number of children in a Canadian household. The probability distribution of X is: x 1 2 3 4 p(x) 0.30 0.35 0
Anestetic [448]

Answer:0.45

Step-by-step explanation:

7 0
3 years ago
The ratio of isabellas money to shanes money is 3:11. If isabella has $33, how much money do Shane and Isabella have together?
solong [7]
The ratio of Isabella’s money to Shane’s money is 3:11

Isabella has $33.   

We can make a proportion to solve for how much money Shane has.   
A proportion is two ratios that are set equal to each other.  

Let’s call Shane’s money ‘S’   

We get this proportion:   3/11 = 33/x   

If we cross multiply we get:   
(33) * (11) = (3) * (x)   

Simplifying it, we get:
363 = (3) * (x)   

Divide both sides by 3, we get:
x = 121   

However, the question asks how much money they have together. 

Isabella + Shane = Total
33 + 121 = $154   

<span>They have $154 together.</span>
4 0
2 years ago
Can someone help me pls
Wittaler [7]

Answer:

3 cm

Step-by-step explanation:

  • V_{cylinder} = 189\pi \: cm^3 (Given)

  • h_{cylinder} = 21\: cm (Given)

  • Formula for V_{cylinder} is given as:

  • V_{cylinder} = \pi r^2h

  • \implies  189\pi = \pi r^2(21)

  • \implies \frac{ 189\pi}{21\pi} = r^2

  • \implies 9 = r^2

  • \implies \pm\sqrt 9 = r

  • \implies \pm 3 = r

  • Length of radius can not negative

  • \implies r = 3 \: cm

Hope it helps you in your learning process.

8 0
2 years ago
Read 2 more answers
What is the slope of the line that contains these points?
Zarrin [17]

Answer:

slope = 7 or 7/1 <--- (7 over 1)

Step-by-step explanation:

rise = 7

run = 1

3 0
3 years ago
2. Kira's skateboard is 71 centimeters long. What is the length of her skateboard in millimeters? Show your work. Answer:​
Marrrta [24]
Answer is 710

Divide length value by 10
7 0
2 years ago
Read 2 more answers
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