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vagabundo [1.1K]
3 years ago
9

Evaluate -4x +9 for x=8

Mathematics
2 answers:
larisa [96]3 years ago
7 0

Answer:

-23

Step-by-step explanation:

- 4 ( 8 ) + 9

- 32 + 9

- 23

alexgriva [62]3 years ago
3 0

Answer:

- 23

Step-by-step explanation:

Step 1:

- 4x + 9         Equation

Step 2:

- 4 ( 8 ) + 9        Input x value

Step 3:

- 32 + 9       Multiply

Answer:

- 23       Add

Hope This Helps :)

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Can somebody please help me
guajiro [1.7K]

Here is your answer

B. (12,30)

REASON:

Given,

y= 2x+6 .......(i)

3x-y= 6 .......(ii)

Putting the value of y from eq.i in eq.ii we get

3x-(2x+6)=6

3x-2x-6=6

=6+6

x=12

Putting x=12 in eq.i we get

y= 2x+6

y= 2×12+6

y= 24+6

y= 30

So,

\bold{x=12 and y= 30}

Hence answer is (12,30) in which x=12 and y=30

HOPE IT IS USEFUL

5 0
3 years ago
The original price, p, of a single scoop of ice cream has increased by 6.5%.
allochka39001 [22]

Answer:

p*106.5/100

Step-by-step explanation:

6 0
3 years ago
a company donates 935 pencils to a school. the pencils are divided evenly among 9 classrooms. the rest of the pencils are given
wariber [46]
The problem deals with a division and the rest of it, that is dividing the total amount of pencils into 9 classrooms and the rest, lets express it as fraction:
935/9 = 103 + 8/9
that is, if we multiply 103*9 we get 927 and are 8 pencils left over, therefore, 8 pencils are donated to the library and each classroom gets 103 pencils, in total 935 pencils are donated.
8 0
3 years ago
Read 2 more answers
Grayson works in a department store selling clothing. He makes a guaranteed salary
MrRissso [65]

Step-by-step explanation:

a) $350 per week

20% commission on sales

For $925 in sales, commission is

20/100 × 925 = $185

Total earning = $350 + $185 = $535

b) For $x in sales, commission is

20/100 × x = 1/5 × x = x/5 or 0.2x

Total earnings = $350 + $ x/5 or $350 + $0.2x

4 0
3 years ago
Which one is the greatest value fraction 2/4 1/3 4/9 or 4/7
Sergio [31]

I think the answer would be 4/7  because it is the only fraction where the numerator is more than half of the denominator

8 0
3 years ago
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