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3 years ago

Plz help! I am so confused and we only just started learning this

Mathematics

1 answer:

nexus9112 [7]3 years ago

5 0

Split the boxes into sections and then find the math that way.

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Can a variable be a constant

Sonja [21]

Answer: No

Step-by-step explanation:

A variable is always denoted with a symbol (commonly x), and a variable means that it can change based on what you plug into the symbol

Constants must always stay the same, so variables can't be constants and constants can't be variables

8 0

4 years ago

Read 2 more answers

Billy charges $15 to mow a yard. He needs at least $200 for the new bicycle that he wants. Write and solve an inequality to find

Marta_Voda [28]

He has to mow 14 yard to get at least 200 but he will have 10 extra dollars.

3 0

3 years ago

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What percent of all children like the Simpsons? Round your answer to the nearest tenth of a percent. Type a numerical answer

juin [17]

90/300

To make it simpler, make it,out of 100 by dividing it all by 3. This will make it:

30/100

Therefore it is 30%

3 0

3 years ago

Read 2 more answers

The faces on a number cube are labled 1,2,2,3,4, and 5the number cube is rolled 114 times how many times would you expect the nu

Mrac [35]

Given:

The faces on a number cube are labeled 1,2,2,3,4, and 5.

The number cube is rolled 114 times.

To find:

How many times would you expect the number 2 to appear?

Solution:

We have,

Total outcomes = 1,2,2,3,4, and 5.

Number of total outcomes = 6

Favorable outcomes = 2 and 2

Number of favorable outcomes = 2

The probability of getting 2 is:

$P(2)=\dfrac{\text{Number of favorable outcomes}}{\text{Number of total outcomes}}$

$P(2)=\dfrac{2}{6}$

$P(2)=\dfrac{1}{3}$

Now, the expected number of times when 2 to appear is:

$E(x)=114\times P(2)$

$E(x)=114\times \dfrac{1}{3}$

$E(x)=38$

Therefore, the expected number of times is 38.

4 0

3 years ago

What is the answer for 1/2 x N=1/3

Sonja [21]

1/2* N= 1/3
⇒ N= (1/3)/ (1/2)
⇒ N= (1/3)* (2/1)
⇒ N= 2/3

The final answer is N= 2/3~

3 0

3 years ago