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aleksley [76]
3 years ago
13

Mr.Jackson is saving money to go on a trip. Last month,he saved $21 dolloars each week for 4 weeks. This month he saved 3 times

as much money as he saved last month. How much money did mr.Jackson save this month ?
Mathematics
1 answer:
Anit [1.1K]3 years ago
7 0

Answer:

The total amount he saved this month=84×3=$252

Step-by-step explanation:

Last month he saved 21 dollars each week for 4 weeks, to calculate the total amount he saved for the for weeks, we can express this as;

Total amount=Amount he saved per week×Number of weeks  

Where;

Amount he saved per week =$21

Number of weeks=4 weeks,

Replacing;

Total amount=21×4=$84

This month he saved 3 times as much money as he saved last month, this can be expressed as;

The total amount he saved this month=Amount saved last month×3

Where; Amount saved last month=$84

Replacing;

The total amount he saved this month=84×3=$252

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Let p: The whole number has one digit.
Alex73 [517]

The statement "The whole number has one digit if and only if the whole number is less than 10" is true for converse statement. Then the correct option is C.

<h3>What are converse statements?</h3>

A inverse statement is one that is derived by opposing the supposition and result of a relative clause.

Let p: The whole number has one digit.

Let q: The whole number is less than 10.

The statement "The whole number has one digit if and only if the whole number is less than 10" is true for converse statement.

If p → q, then, q → p

Then the correct option is C.

More about the converse statements link is given below.

brainly.com/question/18152035

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s2008m [1.1K]

y=5x^2+7 is Non-Linear Functions

Option B is correct option.

Step-by-step explanation:

We need to identify Non-Linear Functions from the equations given.

First we will define Non-Linear Functions

<u>Linear Functions</u>

A function having exponent of variable equal to 1 or of the form y=c, where c is constant is called linear function.

<u>Non-Linear Functions</u>

A function that has variable having power greater than 1 (i.e 2 or above) is called non-linear function.

So, from all the options given, only Option B has power greater than 1 i.e 2. All remaining options are linear functions.

So, y=5x^2+7 is Non-Linear Functions

Option B is correct option.

Keywords: Linear and Non-Linear Functions

Learn more about Linear and Non-linear functions at:

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