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Drupady [299]
2 years ago
12

Rebecca charges $7.50 per hour to babysit. She babysat for 4.5 hours on Saturday, and 2.75 hours on Sunday. How much will Rebecc

a make babysitting altogether?
Mathematics
1 answer:
Aleks04 [339]2 years ago
7 0

Answer:

She will make $54.375

Step-by-step explanation:

Here, we are interested in calculating the a total amount of money that was made by Rebecca given the number of hours she has babysat and her charges per hour.

Firstly, we need to get the total number of babysitting hours;

That would be 4.5 hours + 2.75 hours = 7.25 hours

Now to get the total amount charged = number of hours * amount per hour

= 7.25 * 7.5 = $54.375

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Ye has his own business. He checks his sales receipts three times a day, his afternoon sales were 50$ more than his mourning sal
IRINA_888 [86]

Answer:

The answer is 150

Step-by-step explanation:

It's 150 because ye evening sales are three times of his afternoon sales.

SO that means you have to times 50x3=150 or you can add 50+50+50=150. there is your answer.

3 0
3 years ago
Read 2 more answers
Please help :) Thank you
Anni [7]

Answer:

C

Explanation:

:) hope this helps

3 0
3 years ago
Maurice earns a commission of 6,048 from the sale of a Lexus, priced at $50,400. What is Maurice's commission rate?
Nutka1998 [239]

Answer:

commission rate of Maurice is 12%

Step-by-step explanation:

Maurice earns commission = $6,048

Lexus priced at = $50,400

Maurice's commission rate =

=\frac {commision}{rate} \times 100

=\frac{6048}{50400} \times 100

=12 %

hence the commission rate of Maurice is 12%

8 0
2 years ago
The shirt cost $113 less than the coat. The shirt cost $50. How much is the coat?
olga nikolaevna [1]
Shirt: $50
Coat: $113

$50+ $113= $163

The coat costs $163, hope this helps!
7 0
2 years ago
A cryptographic hash takes a message as input and produces a fixed-length string as output, called the digital fingerprint. A br
Allushta [10]

Answer:

1.85x10^{19} attempts are required to find a matching pair if the digital fingerprint is 64 bits long.

3.40*10^{38} attempts are required to find a matching pair if the digital fingerprint is 128 bits long.

Step-by-step explanation:

Each bit has two options. So

How many attempts are required to find a matching pair if the digital fingerprint is 64 bits long?

So for each of the 64 bits, we have the following number of options.

2 - 2 - 2 - 2 -... - 2

So, in all, there are

T = 2^{64} = 1.85x10^{19}

options.

So, 1.85x10^{19} attempts are required to find a matching pair if the digital fingerprint is 64 bits long.

128 bits long?

Using the same logic as the first question.

T = 2^{128} = 3.40*10^{38}

So, 3.40*10^{38} attempts are required to find a matching pair if the digital fingerprint is 128 bits long.

5 0
3 years ago
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