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sergeinik [125]
3 years ago
14

HELP ME PLEASE HELP ME I BEG YOU I RELLLAY NNED TO SUMBIT THIS

Mathematics
1 answer:
Rashid [163]3 years ago
5 0
#1
y= 5x-7
y= -2/3x+3


#2
y=4/5x (+0)
y= -5/4x(+0)
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HURRY!!!!!!!!!!!
andrey2020 [161]

Answer:

2.5

Step-by-step explanation:

Conversion a mixed number 2 1/

2

to a improper fraction: 2 1/2 = 2 1/

2

= 2 · 2 + 1/

2

= 4 + 1/

2

= 5/

2

To find new numerator:

a) Multiply the whole number 2 by the denominator 2. Whole number 2 equally 2 * 2/

2

= 4/

2

b) Add the answer from previous step 4 to the numerator 1. New numerator is 4 + 1 = 5

c) Write a previous answer (new numerator 5) over the denominator 2.

Two and one half is five halfs

4 0
3 years ago
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Stock bottles should be moved on the shelves A. by placing new stock behind old stock so stock closest to expiration gets used f
Vinvika [58]
A. By placing new stock behind old stock
6 0
3 years ago
According to the empirical rule, if the data form a "bell-shaped" normal distribution, ________ percent of the observations will
jekas [21]
According to empirical rule, the area under the normal distribution or "bell-shaped curve", when plotted as a function of the z-parameter can be defined in terms of percentages.
The z-parameter (or z-score) is defined as
z= \frac{x- \mu }{ \sigma }
where
x =  value of random variable,
μ = the mean,
σ = standard deviation,

The total area under the curve = 1.
The curve below shows that within 2 standard deviations from the mean, the total area under the curve is 95%  of the total area.



Answer: 95%

5 0
4 years ago
If a machine produces 15 screws per​ minute, how many screws will it produce in 22 ​hours?
Sindrei [870]
15 × 60 = 900
900 × 22 = 19800

The answer is 19800 screws
5 0
3 years ago
Which points lie on the line whose equation is 8x - 2y + 7 = -9? Select all that apply.
Anestetic [448]

Answer:

A.(-2, 0)

C. (-1.4)

Step-by-step explanation:

we know that

If a point lie on the line, then the point must satisfy the equation of the line (makes the equation true)

we have

8x-2y+7=-9

subtract 7 both sides

8x-2y=-9-7

8x-2y=-16

divide by 2 both sides

4x-y=-8

Substitute the value of x and the value of y of each point in the linear equation and analyze the result

<u><em>Verify each point</em></u>

case A) we have

(-2, 0)

For x=-2, y=0

substitute

4(-2)-(0)=-8

-8=-8 ---> is true

so

the point lie on the line

case B) we have

(1, 3)

For x=1, y=3

substitute

4(1)-(3)=-8

1=-8 ---> is not true

so

the point not lie on the line

case C) we have

(-1, 4)

For x=-1, y=4

substitute

4(-1)-(4)=-8

-8=-8 ---> is true

so

the point lie on the line

case D) we have

(1, -4)

For x=1, y=-4

substitute

4(1)-(-4)=-8

8=-8 ---> is not true

so

the point not lie on the line

case E) we have

(0, -1)

For x=0, y=-1

substitute

4(0)-(-1)=-8

1=-8 ---> is not true

so

the point not lie on the line

7 0
3 years ago
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