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alexandr402 [8]
2 years ago
8

Need help plz and thank u

Mathematics
2 answers:
Len [333]2 years ago
7 0
30 students is the answer :)
butalik [34]2 years ago
7 0
30 students................
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Answer it pls and explain too​
snow_tiger [21]

Answer:

  y-intercept: (0, 5); slope: 1/4

Step-by-step explanation:

The slope (m) is found from ...

  m = (y2 -y1)/(x2 -x1)

Using the first two points in the table, this is ...

  m = (8 -6)/(12 -4) = 2/8 = 1/4 . . . . . eliminates choices A and C

__

Then, the point-slope form of the equation of the line can be written as ...

  y -y1 = m(x -x1)

  y -6 = (1/4)(x -4) . . . fill in known values

  y = 1/4x -1 +6 . . . . . add 6

  y = 1/4x +5

Then the value of y when x=0 is ...

  y = 0 +5 = 5

So, the y-intercept is (0, 5) and the slope is 1/4, matching the last choice.

7 0
3 years ago
Exponential Growth and Decay The expressions below represent either exponential growth or exponential decay. Check all the expre
Tomtit [17]

Answer:

First one: 5x3(0.75)2t

and fourth one: 0.05x500(0.005)t

Step-by-step explanation:

In order to have an exponencial decay, the rate of the exponencial function needs to be lesser than 1.

The rate is the value between parenthesis, so in the first equation, the rate is 0.75, so this is an exponencial decay.

The second equation has rate = 2.4, so this is not an exponencial decay.

The third equation has rate = 1.04, so this is not an exponencial decay.

The fourth equation has rate = 0.005, so this is an exponencial decay.

5 0
2 years ago
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Which of the following points lies on the line whose equation is y = 2x - 3?
mariarad [96]
It's supposed to be (0,-3) but I guess your answer should be A
6 0
3 years ago
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Add 7/10 + 1/6 enter your answer below as a fraction in lowest terms, using the slash(/) as the fraction bar
san4es73 [151]

Answer:

13/15

Step-by-step explanation:

pls mark me brainliest

4 0
3 years ago
Please Help Fast Algebra 1
Ostrovityanka [42]

Answer:

it's answer is C. 1

Step-by-step explanation:

Given

f(x) = -2x + 7

f(3) = - 2 * 3 + 7

= - 6 + 7

= 1

4 0
2 years ago
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