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Aneli [31]
3 years ago
5

Determine the slope , y intercept , x intercept Y=-3x+15

Mathematics
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

Step-by-step explanation:

Y=-3x+15

Comparing to y = mx + c

Slope m = -3

Intercept c = 15

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What is the probability that a red or green marble will be selected from a bag containing 9 red marbles, 6 blue marbles, 7 green
lara31 [8.8K]

Answer: \bold{\dfrac{16}{33} = 48\%}

<u>Step-by-step explanation:</u>

  Red  or  Green

=\dfrac{red}{total}+\dfrac{green}{total}

=\dfrac{9}{33}+\dfrac{7}{33}

=\dfrac{16}{33}

≈ 48%






4 0
3 years ago
Write the following inequality in slope-intercept form for -4 x + 2y &gt; -8
Aleksandr-060686 [28]

Answer:

The answer is "y < 2x - 4".

Step-by-step explanation:

Write in <u>slope-intercept</u> form, the formula is "y = mx + b"

6 0
3 years ago
Deon plots points to show the time it takes him to swim laps on two days. Is there a proportional relationship between the numbe
Sever21 [200]

Answer:

There's no proportional relationship between number of laps and minutes.

Step-by-step explanation:

The graph given above is a straight line graph, however, it does not cut across the point of origin (0, 0). As a result of this, it would be difficult to get a constant of proportionality, as you'd likely get different constant of proportionality between different points on the line. Thus, the ratio of y and x for each set of points may vary.

So therefore, the relationship between the x and y cannot be proportional.

We can conclude that the graph does not represent a proportional relationship between number of laps and minutes.

6 0
3 years ago
3. The ratio of the number of male and female teachers in a school is 2 : 11. If the
vovikov84 [41]

Answer:

the number of female teachers is 616

Step-by-step explanation:

male     2: 112

Female 11 : x

now you want to find x which is the number of female teachers

multiply 11 with 112 and 2 with x

11 x 112= 2x

divide 2

1 232 = 2x/2

616 =  x

Hope that help :)

8 0
3 years ago
Question 11. Really don’t understand, if you have an explanation I need one thank you
maxonik [38]

Answer:

m > 3 for 2 solutions.

m = 3 for one solution.

Step-by-step explanation:

mx^2 - 2mx + 3 = 0

For 2 solutions   the discriminant b^2 - 4ac > 0 so we have

(-2m)^2 - 4*m* 3 > 0

4m^2 - 12m > 0

4(m^2 - 3m) > 0

m^2 - 3m > 0

m(m - 3) > 0

m > 3  - this is the result for 2 solutions.

For one solution the discriminant = 0

so m(m - 3) = 0

and  m = 3 for 1 solution.

3 0
3 years ago
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