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Elena L [17]
3 years ago
7

What do I need to do for the second question???

Mathematics
1 answer:
borishaifa [10]3 years ago
8 0
You need to take the data, and you need to have his income recorded as a rise early on. Then you need to peak the data at an early-mid point and then demonstrate that his income is decreasing steadily.
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X+x+y+y+z+z=24
JulijaS [17]

Answer:

b = 7/2

x = 11/2

y = 21/2

z = -4

Step-by-step explanation:

2x + 2y + 2z = 24

x + y + z = 12

b + 2x + y + z = 21

2b + 2y = 28

b + y = 14

3x + y + z = 23

we can start anywhere by transforming these equations in a way that always one variable is excised by others.

so, e.g.

b = 14 - y

14 - y + 2x + y + z = 21

2x + z = 7

z = 7 - 2x

3x + y + 7 - 2x = 23

x + y = 16

16 + z = 12

z = -4

-4 = 7 - 2x

-11 = -2x

11 = 2x

x = 11/2

11/2 + y = 16

y = 16 - 11/2 = 32/2 - 11/2 = 21/2

b = 14 - 21/2 = 28/2 - 21/2 = 7/2

3 0
2 years ago
Susan received $27 for 6 hours of work. Ricky received $14.25 for 3 hours of work. Which statement is true about there hourly ra
8090 [49]

Answer: C. Rickys rate was 0.25 more per hour" .

Step-by-step explanation:

Susan received $27 for 6 hours of work. Susan's rate we hour will be:

= $27/6

= $4.5

Ricky received $14.25 for 3 hours of work. Ricky's rate will be:

= $14.25/3

= $4.75

From the option given, the correct option is C "Rickys rate was 0.25 more per hour" .

This is because $4.75 - $4.5 = $0.25

3 0
2 years ago
A bank advertises that they will pay 1.5% simple annual interest on new savings accounts. Lorenzo puts $400 in a new account. If
Luba_88 [7]

Answer:

  $406

Step-by-step explanation:

The amount of interest that Lorenzo's account earns is given by ...

  I = Prt

where P is the principal amount ($400), r is the annual rate (1.5%) and t is the number of years (1).

Lorenzo's interest is ...

  I = $400·0.015·1 = $6.00

Then the balance in Lorenzo's account at the end of one year is ...

  $400 +6 = $406.00

3 0
3 years ago
What is the answer please help me
Flura [38]

9 and 1/2 is the answer. We can find this by simply subtract 1 1/2 from 12.

7 0
3 years ago
Read 2 more answers
Does circumference divided by ratio equal to pi?​
Harlamova29_29 [7]

Answer:

Yes circumference divided by ratio equals to pi

7 0
3 years ago
Read 2 more answers
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