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spayn [35]
3 years ago
13

(this is multiple choice and i raised points make sure to EXPLAIN !)

Mathematics
2 answers:
otez555 [7]3 years ago
6 0

Answer:

C

Step-by-step explanation:

Basically (f+g)(x) = f(x)+g(x).

Following this rule you combine like terms.

7x-2x=5x and 10+5 = 15.

Therefore the answer is C.

Anna [14]3 years ago
6 0

f(x) = 10 - 2x

g(x) = 7x + 5

(f + g) (x) = (10 - 2x) + (7x + 5) //Adding two functions

= 10 - 2x + 7x + 5

= 15 + 5x

Answer: C.

//Hope it helps.

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The price of a fan is $15. This price is 27% lower than last week.
Goshia [24]

The price of fan was 20 Dollars 55 cents last week.

Step-by-step explanation:

Let,

The price last week = x

As the price is 27% lower than last week, therefore

(100%-27%) * Price last week = $15

73% * x = 15

Solving the percentage;

\frac{73}{100}*x=15\\ Multiplying\ both\ sides\ by\ 100\\100*\frac{73x}{100} = 15*100\\73x=1500\\Dividing\ both\ sides\ by\ 73\\\frac{73x}{73} = \frac{1500}{73} \\x= 20.55

The price of fan was 20 Dollars 55 cents last week.

Keywords: Percentage, multiplication.

Learn more about percentages at:

  • brainly.com/question/2140933
  • brainly.com/question/2142762

#LearnwithBrainly

5 0
3 years ago
THE HELP IVE BEEN RECIEVEING HAS MADE ME SO HAPPY SO I JUST WANNA TAKE THE TIME TO SAY THANK YOU SO MUCH T-T. if anyone can help
Alex Ar [27]

Answer:

Some answers to the reducing fraction sheet

Q14 = 4/5 because divide 12 and 15 by 3

Q15=can't be reduced because 11 is a prime number so it can't be divided by anything

Q17=can't be reduced because 17 is a prime number

Q18=can't be reduced because 13 is a prime number

Q19=38/9 because 114 and 27 would be divided by 3

Q20= -1/1 because you would divide both 14,529 by itself would equal to - 1/1

I can only help you with this sheet I can't help you with the other one hope this was helpful! :)

6 0
3 years ago
Lines and triangles practices
Marianna [84]
<1 = 123
60 + 63 = 123
180 - 123 = 57
180 n- 57 = 123

Triangle angle-sum theorem
Alternate exterior angles theorem (?)
Same side interior angles theorem

idk what the last one is about sorry

hope this helps


4 0
3 years ago
Pleasse and thank u &lt;33
liubo4ka [24]

Answer:

4x-2x+3y+6x+6y          distributive property

4x-2x+6y+3y+6y          commutative property of addition

8x+9y                            combine like terms

Step-by-step explanation:

I hope this helps!

7 0
3 years ago
How many solutions does 4/5x + 2/3 + 1/5x = x have
Lisa [10]

Answer:

No solution for x

Step-by-step explanation:

4/5x + 2/3 + 1/5x = x

x + 2/3 = x

7 0
3 years ago
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