How many tenths are = 1 half

Mathematics

1 answer:

goldfiish [28.3K]3 years ago

7 0

There are 5 tenth in one half

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car purchased for 18,500 after each year the resale value decreases by 30%. what will the resale value be after 4 years

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Equation is 18500x.70 to the power of x

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Determine the function represented by the table is linear. Explain.

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What does x = ?<br> If you can't see the numbers I can type them

nikitadnepr [17]

So you know that:

2x+y=14+y
and
5x-y=x+13y

Here you have two equations with two unknown variables:
If you isolate x from the second equations you get:
x=(7/2)y
Insert that in the first equations and solve for y:
2*(7/2)y+y=14+y
y=2

Insert that value for y in one of the two equations (i chose the first):
2x+2=14+2
x=7

Therefore x=7

Hope that helped.

Actually you could start with isolating x, and then insert that in one of the two equations.

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3 years ago

A self own company charges $40 per month +0.05 cents for each text message sent.Select expression is there a percent of cost in

kondaur [170]

<h3>The monthly cost of cell phone is A = 40 + 0.005 m</h3>

Step-by-step explanation:

The monthly fixed charges by mobile company = $40

The cost of sending each text message = 0.05 cents

Now, 100 cents = 1 dollar

⇒ 1 cent =$ $(\frac{1}{100} )$

⇒ 0.05 cent s =$ $(\frac{1}{100} \times 0.05) =0.0005$

Also, the number of text messages send = m

So, the cost of sending m text message = m x ( cost of 1 text )

= m x ( $ 0.0005) = 0.0005 m

Now, Total bill = Fixed rate + cost of m texts

⇒ A =$40 + $ 0.0005 m

Hence, the monthly cost of cell phone is A = 40 + 0.005 m

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4 years ago