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2 years ago

1. solve for x: 2(x+2) + 3(x-1) = 3x + 7 +

Mathematics

1 answer:

Rus_ich [418]2 years ago

5 0

x = 2(x+2) + 3(x-1) = 3x + 7

2x + 4 + 3x -3 = 3x + 7

2x + 3x - 3x = 7 - 4 + 3

2x = 6

x = 3

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One number is 6 times another number. it is also 12 more than twice the other number. Find the numbers.

stepan [7]

The numbers are 3 and 18

Step-by-step explanation:

Step 1: Let one number be x. Then the other number = 6x.

Also, 6x = 12 + 2x

⇒ 4x = 12

⇒ x = 3

⇒ 6x = 18

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2 years ago

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2 years ago

What is the median for the set of data? 6, 7, 10, 12, 12, 13

elixir [45]

Answer:

Step-by-step explanation:

If the set of numbers are not in least to greatest first set them up into their positions. But since this set is already in least to greatest we can go to the next step.

6, 7, 10, 12, 12, 13

Cross off all numbers until you get to the middle:

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Hope this helped.

6 0

2 years ago

Read 2 more answers

A child tosses a baseball up into the air. On its way down, it gets caught in a tree for several seconds

Mila [183]

Answer:

The range includes all numbers from 5 to 12.5.

Step-by-step explanation:

The range is along y- axis and the domain is along x- axis.

Range is given in heights and domain is given in time seconds.

It can depicted that for t= 0 secs the ball is at 5 feet and so on .

Therefore the range is given by numbers from 5 to 12.5.

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3 0

2 years ago

A factorial experiment was designed to test for any significant differences in the time needed to perform English to foreign lan

yuradex [85]

Answer:

For main effects

Factor (Language translator) confirms that there is no significance difference between two levels of language translator of main effect at 5% level of significance.

Factor (Types of language) confirms that there is no significance difference between three levels of types of language at 5% level of significance.

also,

For interaction effect between language translator and types of language, there is no significant difference that the interaction between language translator and types of language at 5% level of significance.

Step-by-step explanation:

see attached.

3 0

2 years ago