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Zina [86]
3 years ago
10

Evaluate the expression 15 - n when n =9

Mathematics
1 answer:
Gnesinka [82]3 years ago
6 0

Answer:

6

Step-by-step explanation:

Don't let the variable confuse you. Replace n with 9. Then, subtract 9 from 15.

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Titus is asked to prove hexagon FEDCBA is congruent to hexagon
Lyrx [107]

Answer:

correct

Step-by-step explanation:

he is correct because the transformation is a translation and under the translation the image and preimage are congruent.

the measure of the sides are preserved, and the peasure of the angles are preserved so if all the corsponding sides and angles are congruent the hexagons are congruent too

7 0
3 years ago
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A pan has an original price of $32 but is marked down by 15 percent. Which equation shows the new price of the price
sergejj [24]
We suggest, that the number 32 is 100% - because it is the output value of the task. 
<span>We suggest, that x is the value that we are looking for. </span>
<span>3. If 32 is 100%, so we can jot it down as 32=100%. </span>
<span>4. We know for sure, that x is 15% of the output value, so we can jot it down as x=15%. </span>
5. Now, these are the equations are we have.
1) 32=100%
2) x=15%
where the left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
32/x=100%/15%
6. Now we just have to work out the equation, and we'll get the answer that we want.

7. Answer for what is 15% of 32

32/x=100/15
<span>(32/x)*x=(100/15)*x       - </span>multiply both sides of the equation by x
<span>32=6.66666666667*x       - </span>divide both sides of the equation by (6.66666666667) to get x
<span>32/6.66666666667=x </span>
<span>4.8=x </span>
x=4.8

<span>15% of 32=4.8
So, the answer is $4.8
Hope this helped</span>
8 0
3 years ago
Read 2 more answers
Hello, I really need help with this!
yuradex [85]
1. Given
2. Definition of Supplementary Angles
3. First Substitution
4. Subtraction property of Equality
5. Second Substitution
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5 0
3 years ago
Simplify the following expression into simplest form with all positive exponents
mamaluj [8]

Answer:

I'm am pretty sure that the answer is 320. Hope this helps!

4 0
3 years ago
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If a+b-c=d, if a-b+c=e, then a= ?
yaroslaw [1]
A + b = d+c 
<span>a - b = e - c </span>
The b and c cancel out. 
<span>2a = d+e </span>
<span>a = (d+e)/2 </span>

4 0
3 years ago
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