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jekas [21]
2 years ago
7

Please help need ASAP

Mathematics
1 answer:
mestny [16]2 years ago
5 0

Answer:

2) y=5x+13

When in doubt, replace the variable with a number to see if it makes sense

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Describe two different strategies you could use to add l6 + 35 + 24 + 14.
adell [148]

Answer:

(16+35)+(24+14)

(16+14)+(35+24)

Step-by-step explanation:

This equation equals 89, basically what you would do is just add two numbers together and then add the sum of those two numbers, it makes the equation way easier to solve since you are not adding 4 numbers at a time, just 2.

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True or False, 15%-54% of errors reported from primary care practices are related to the testing process.
vovikov84 [41]

Answer:

i would say true

Step-by-step explanation:

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A company wanted to estimate the mean lifetime of its new model of lightbulbs. They use a method for testing bulbs that accelera
telo118 [61]

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13.4±2.132(1.02/5)

Step-by-step explanation:

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2 years ago
Please help me with both questions!!!!​​
Naya [18.7K]

Answer:

Step-by-step explanation:

16.

points are (0,-3),(2,1),(4,-3)

eq. of line through (0,-3) and (2,1) is

y+3=\frac{1+3}{2-0}(x-0)

or y+3=2x

2x-y=3

as the line is dotted so either < or >.

consider 2x-y>3

put x=0,y=0

0>3

which is not possible .

(0,0) does not satisfy the inequality

Hence shaded region is the required region.

now eq of line through (2,1)and (4,-3) is

y-1=\frac{-3-1}{4-2}(x-2)

y-1=-2(x-2)

y-1=-2x+4

2x+y=5

it is also a  dotted line so either < or >

consider 2x+y<5

put x=0,y=0

0<5

which is true.

so (0,0) satisfy this inequality.

so the two inequalities are

2x-y>3

and 2x+y<5

17.

consider the points (0,4),(2,3),(4,4)

eq. of line through (0,4) and (2,3) is

y-4=\frac{3-4}{2-0}(x-0)

y-4=-1/2(x)

2y-8=-x

or x+2y=8

as the line is solid

so either≤ or ≥

consider x+2y≥8

put x=0,y=0

0≥8

which is impossible.

(0,0) does not satisfy the graph.

which is true as graph lies above the line.

again eq. of line through (2,3) and (4,4) is

y-3=\frac{4-3}{4-2}(x-2)

y-3=1/2(x-2)

2y-6=x-2

x-2y=-4

consider x-2y≤-4

put x=0, y=0

0≤-4

which is impossible.

so (0,0) does not satisfy the graph.

so inequality is true as shaded portion is above and left of the line.

so two inequalities are

x+2y≥ 8

and x-2y≤-4

5 0
3 years ago
1. The graph shows the cost to rent a jetski for different
Shkiper50 [21]

Answer:

a

Step-by-step explanation:

5 0
2 years ago
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