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3 years ago

Four friends charge different amounts for babysitting. Who charges the most per hour?

Mathematics

2 answers:

lesya [120]3 years ago

8 0

We need the rates please attach a picture

dalvyx [7]3 years ago

3 0

Answer:

Xiavier changes the most :).

Step-by-step explanation:

Claudia work for 3 hours to get $28

Xiavier works for 2 hours to get $20

Ling works for 4 hours to get $30

And Alyssa works 6 hours to get $45

Claudia is charging $9.33 per hour

Xiavier is charging $10 per hour

Ling is charging $7.50 per hour

and Alyssa is charging 7.50 per hour.

This makes your answer Xiavier.

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Will give BRAINLIEST!!!! Answer fast!!!

Snowcat [4.5K]

Divide the area by the length given. The area expression can be factored down. Here’s my work

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3 years ago

Ella says the answer to $79 ÷ 4 is $19.30. What did she do wrong?

Mamont248 [21]

Answer:

19.75

Step-by-step explanation:

while she divided the remainder 3 (then you bring down the 0) she accidentaly put 30 in 19.30 so thats why

while the correct way is to keep going with the equation until you have no remainder

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3 years ago

A sequence is defined by un=3n-2. find u27

Fed [463]

I think the definition of your sequence is    u(n) = 3n - 2 .
That little set of parentheses makes it SO much
easier to read and understand.

To find u(any number) just write the number in place of 'n' .

u(27) = 3(27) - 2

   =   81 - 2

   = 79 .

8 0

3 years ago

Calculate the ratio of 3 nickels to 12 dimes.

irga5000 [103]

Answer:

1/4

Step-by-step explanation:

3/12=

3÷3/12÷3=

1/4

4 0

4 years ago

SOMEONE PLEASE HELP ME WITH THIS QUESTION !!!

tatuchka [14]

Answer:

$700

Step-by-step explanation:

Given that:

Cost of desktop PC 10 years ago = $6000

Cost of desktop PC 2 years ago = $300

Linear model applies.

To find the rate of decrease per year, we need to find the slope.

One quantity is cost of PC here and second quantity here is number of years.

$\text{Rate of decrease per year = }\dfrac{\text{Change in Price}}{\text{Change in Number of years}}$

$\Rightarrow \dfrac{6000-300}{10-2}\\\Rightarrow \dfrac{5700}{8}\approx \bold{\$700}$

So, the answer is:

There is a decrease of <em>$700 </em>per year.

Rate of decrease per year is <em>$700</em>.

7 0

3 years ago