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marshall27 [118]
3 years ago
13

2 The temperature in Chicago was - 10 degrees Fahrenheit. It then rose 5 degrees.

Mathematics
1 answer:
olganol [36]3 years ago
3 0

Answer:

Step-by-step explanation:

Given

Initial Temperature = -10

Increment = 5

Required

Solving (a): Write an Equation

The equation is to add the initial temperature and the increment

i.e

Equation = Initial Temperature + Increment

Solving (b): Solve the equation

Substitute values for initial temperature and the increment

Result = -10 + 5

Result = -5

Solving (c):

It's a negative answer because the increment in temperature is not greater than the initial temperature

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If two thirds of a number decreased by 20 is 40, what is the number
oee [108]

Answer:

The unknown number is 90

Step-by-step explanation:

This question requires a good understanding so as to interprets it well

And always ensure that all symbols used in representation are well stated so as to help the examiner or anyone who will mark it to understand better

So back to the question,let the unknown number be x

And two thirds of the unknown number is 2/3x

2/3x was decreased by 20 which can be written as 2/3x-20

And this decrease gives 40

That's,2/3x-20=40

Then go ahead to solve the question

Start by finding the LCM and the LCM is 3

2x-60/3=40

Cross multiply

2x-60=40×3

2x-60=120

Collect like terms by adding 60 to both sides

2x=180

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Therefore the final answer is 90

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Step-by-step explanation:

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Hannah borrow $30 from her parents. Each week she pays them back the same amount. The total amount she owes her parents after we
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30-5d ( where d stands for amount of days, and 5 is the amount of moeay paid per day)
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What is half of 1? Its from your bellybottom to your head.
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The 18th term of an arithmetic sequence is 49 and the first term is 15.
Tju [1.3M]

Answer:

33

Step-by-step explanation:

49-15=34

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For this sequence, you can write this function:

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Check:

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