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seropon [69]
3 years ago
8

How do i check if 12=x-4 is 16

Mathematics
2 answers:
My name is Ann [436]3 years ago
8 0

Answer:

x=16

Step-by-step explanation:

12 = x - 4

+4      +4

By adding 4 to both sides it cancels out the -4 leaving the x alone and makes x=16

butalik [34]3 years ago
6 0
The answer is x = 16. By adding both sides.
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M AEB = 37°, what is m CED?
Oksana_A [137]
Answer: 53 degree

Explanation:

AEB + BEC + CED = 180 degree
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CED = 53 degree
6 0
3 years ago
The area of a rectangle with a perimeter of 500 cm is modeled by the function A = 250l − l^2 where l is the length of the rectan
Olin [163]
The perimeter is 500 cm, meaning the width + width + length + length is 500 cm in this rectangle.

clearly, since their sum is 500 total, the length of any of the sides cannot be larger than 500, it has to be less to allow room for the other 3 sides.  L < 500.

and the length cannot be 0 either, because if it's, then there's no rectangle :). L > 0

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8 0
4 years ago
Read 2 more answers
Please help me with these questions 19pts
jeka57 [31]

Answer:

a)

p(r)=(r-5)\cdot 1.05

b)

p(15.50)=(15.50-5)\cdot1.05=10.50\cdot1.05=11.025\approx11.03\ \$

Step-by-step explanation:

a)

Assume that r is a regular price before discount and tax

Including discount, we substract 5 from r. We get (r-5).

Then, we include tax by adding 5% value of (r-5)

Including a tax we may realize by multiplying initial value (r-5) by 1.05, where an ending .05 is percentage value of a tax

b)

in a formula p(r)=(r-5)\cdot 1.05 we substitute r=15.50  and calculate the value on the right side of the sign "=".

You solve it too, using a calculator.

If you push the following buttons:

1 5 . 5 0 - 5 = + 5 %

you should get a result 11.025, after approximation to the 2 digits after comma there is 11.03



6 0
3 years ago
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3 0
3 years ago
Rewrite 35 +63 as two factors. One factor is the GCF and the other is the sum of two numbers that do not have a common factor
ollegr [7]
To find this answer you would need to first find the GCF, which would be 7. Next, you would take both numbers (35 and 63) and divide them by 7, getting 5 and 9, and adding them together you would get 14. So your answer would be 7 and 14, since when you multiply those numbers, you get 98, which is the sum of 35 and 63.
7 0
4 years ago
Read 2 more answers
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