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tamaranim1 [39]
3 years ago
15

See if you can solve this because this is really difficult for me.

Mathematics
2 answers:
nataly862011 [7]3 years ago
7 0

add up all numbers 4+7+5+4+5=25, divide by number of days 25/7 = $3.57

Goshia [24]3 years ago
4 0

Answer:

The answer is $5.

Step-by-step explanation:

To find the average amount of money Mandy earned per day, add all the numbers together, which equals $25.

$4 + $7 + $5 + $4 + $5 = $25

Next, divide $25 by the total amount of numbers in the set, which 5.

$25 divided by 5 equals $5.

Thus, Mandy earns an average of $5 per day delivering groceries.

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Answer:

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Step-by-step explanation:

3 0
3 years ago
Marla’s School has 1,030 students. Kim’s school has 3 times as many students as Sandi’s School. Write an equation to find the nu
DENIUS [597]

Answer:

3090

Step-by-step explanation:

times 1,030 to 3.

6 0
3 years ago
Bob is a travel agent. He receives 7% commission when he books a cruise for a customer. How much commission will he receive for
Kamila [148]

Answer:

$273

Step-by-step explanation:

$3900= 100%

$39 = 1%

39(1%)*7= $273 (7%)

5 0
3 years ago
Simplify the expression.<br><br><br> Write your answer without negative exponents.
Phoenix [80]

Answer:

-5/ (x^19 * y^12)

Step-by-step explanation:

-15x^-10 * y ^ -3 * x^-9 * y^-9/3 (It's writing it like this.)

15 and 3 have a GCF of 3.

-5x^-10 * y^-3 * x^-9 * y^-9/1

Reduce similar occurrences. *twice in a row*

-5x^(-10 + (-9)) * y^(-3 + (-9))/1

Remove extra signs *twice in a row*

-5x^(-10 - 9) * y^(-3 - 9)/1

Remove extraneous 1.

-5x^(-10 - 9) * y^(-3 - 9)

Add integers.

-5x^-19 * y^-12

Negative powers change multiplication to division.

-5 / (x^19 * y^12) is the final answer.

Even with that, the simplified answer wouldn't have negative exponents because of the negative powers rule.

8 0
2 years ago
Factor the following polynomial completely. x²n - y²n
Alekssandra [29.7K]

Answer:

(n)*(x+y)(x-y)

Step-by-step explanation:

First of all, you take the n out, and then you use the formula of x²- y² and it will equal to (x+y)(x-y).

8 0
3 years ago
Read 2 more answers
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