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lara31 [8.8K]
2 years ago
12

Hope this is better lol

Mathematics
2 answers:
vladimir2022 [97]2 years ago
8 0

Answer:

thanks

Step-by-step explanation:

taurus [48]2 years ago
4 0

Answer:

1) 5.75

2) -6.25

3) 3.75

4) -3.5

5) decreased by 3.3 gallons

Step-by-step explanation:

1) 8 - 2.25 = 5.25

2) - 3\frac{1}{2}  + (  - 2\frac{3}{4} )

=  >  \frac{ - 7}{2}   +  \frac{ - 11}{4}

=  >  \frac{ - 25}{4}  =6.25

3) 1 \frac{1}{4}  + 2 \frac{1}{2}

=  >  \frac{5}{4}  +  \frac{5}{2}

=  >  \frac{15}{4}  = 3.75

4) - 9.5 + 6 =  - 3.5

5)

Amount of water collected on a month = 8.4 gallons

Amount of water used in garden = 5.2 gallons

Amount of water used in flowers = 6.5 gallons

Total amount of water used up = 5.2 + 6.5 = 11.7 gallons

Dat gurl saved 8.4 gallons in that month & she used up 11.7 gallons water. So, the rainwater supply was decreased by (11.7 - 8.4) = 3.3 gallons

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grigory [225]

Answer:

Table D

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

<u><em>Verify each case</em></u>

<em>Table A</em>

For x=1, y=3

Find the value of k

k=y/x -----> k=3/1=3

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the values of k are different

therefore

The table A not represent a direct variation

<em>Table B</em>

For x=1, y=-5

Find the value of k

k=y/x -----> k=-5/1=-5

For x=2, y=5

Find the value of k

k=y/x -----> k=5/2=2.5

the values of k are different

therefore

The table B not represent a direct variation

<em>Table C</em>

For x=1, y=-18

Find the value of k

k=y/x -----> k=-18/1=-18

For x=2, y=-9

Find the value of k

k=y/x -----> k=-9/2=-4.5

the values of k are different

therefore

The table A not represent a direct variation

<em>Table D</em>

For x=1, y=4

Find the value of k

k=y/x -----> k=4/1=4

For x=2, y=8

Find the value of k

k=y/x -----> k=8/2=4

For x=3, y=12

Find the value of k

k=y/x -----> k=12/3=4

All the values of k are equal

therefore

The table D represent a direct variation or proportional relationship

The linear equation is y=4x

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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3 years ago
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Describe and correct the error below.
statuscvo [17]

Step-by-step explanation:

It is given that,

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