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Dafna11 [192]
3 years ago
13

What is the value of y when x=3 in this equation y=2x+2

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
4 0

Answer:

8

Step-by-step explanation:

if you substitute 3 for x the equation becomes y=2(3) + 2

using order of operations you multiply 3 by 2 and then add 2 which will give you 8

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Answer:

use G

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Step-by-step explanation:

4 0
2 years ago
I just want people to tell me if this correct for the first question
katovenus [111]

Answer:

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7 0
3 years ago
Read 2 more answers
DU
Grace [21]

Answer:

a    true

b   false

c.    false

d.   true

e.    false

f.   true

Step-by-step explanation:

The function is y =35+8x where x is the number of items sold and y is the earnings

To determine if the point is on the graph substitute the point in and see if it is true

a (7,91)

91 = 35+ 8(7)

91 = 35+ 56  

91 = 91   true

b(11, 121)

121 = 35+ 8(11)

121 = 35+ 88  

121 = 123   false

c. (9, 110)

110 = 35+ 8(9)

110 = 35+ 72  

110 = 107   false

d. (4,67)

67 = 35+ 8(4)

67 = 35+ 32  

67 = 67   true

e. (5,72)

72 = 35+ 8(5)

72 = 35+ 40  

72 = 75   false

f. (3, 59)

59 = 35+ 8(3)

59 = 35+ 24  

59 = 59   true

8 0
3 years ago
Alice earned $622.50 in interest on her savings in the bank. Before interest, the account had $12,450. What is the approximate p
Akimi4 [234]
Hi there

To find The interest rate the formula is
R=I÷pt
r interest rate?
I interest earned 622.5
P principle 12450
T time 1 year
So
R=622.5÷(12,450×1)
R=0.05×100=5%

Hope it helps
6 0
3 years ago
Profits were 18,447 last month and 14,300 the previous month. The rate of increase was what?
Sonbull [250]
The answer is 29% first you subtract the first number by the second number then make a fraction with the difference and the second number then make a decimal and make a percent out of that decimal

6 0
3 years ago
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