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Yakvenalex [24]
3 years ago
9

Why is 0 not an identity for subtraction? explain

Mathematics
1 answer:
ki77a [65]3 years ago
5 0
When zero is added to or subtracted to a number, the number is not affected.
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(7x4 + 2x3 - 3) – (4x2 - 9x + 2)
abruzzese [7]

Answer:

7x4+2x3-4x2-5

Step-by-step explanation:

We will start solving this question by opening the bracket first

So let's solve

(7x4+2x3-3)-(4x2-9x+2)

7x4+2x3-3-4x2+9x-2

Collect like terms

7x4+2x3-4x2-3-2

7x4+2x3-4x2-5

So the final answer is 7x4+2x3-4x2-5

4 0
3 years ago
1. Anike needs a new pair of athletic shoes for her soccer tryouts. The regular price for the shoes is $129.00. There is a sales
yKpoI14uk [10]

Answer:

$150-$129-($129*7%)=$11.97

$531.25

$9414.5

Step-by-step explanation:

The amount that Anike would have left is the budgeted amount minus the regular price as well as the applicable sales tax.

Amount left=$150-$129-($129*7%)=$11.97

The amount that Harper would have to pay is the purchase price of $500 plus the 6.25% of sales price as sales tax i.e $500+$500*6.25%=$531.25

The yearly tax fees is the appraised value multiplied by property tax rate i.e $250,000*3.7658%=$9414.5

The property tax rate is 3.7658% not 37.658%

6 0
4 years ago
In a pizza eating participant can eat 3 slices ok pizza in 2 minutes if he continues at this rate then how many slices of pizza
GaryK [48]

Answer:

He will eat 15 slices in 10 minutes

5 0
3 years ago
Read 2 more answers
A student works for 80 hours each month and plans to work for 5 hours each day, but only on days when scheduled to work. The fun
Greeley [361]

Answer:

C.  The value of f (4) is 60, and it represents the number of hours of work remaining for the month after working for 4 days

Step-by-step explanation:

So 5 time 4 equals 20...!

80 minus 20= 60

3 0
3 years ago
Julie Myrick has a credit card that has an APR of 15%, applied at a daily
Fed [463]

Answer.    332.78

Step-by-step explanation:

I subtracted and as awesome its right trust me.

4 0
3 years ago
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