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r-ruslan [8.4K]
3 years ago
15

1. A line passes through the points (3, 15) and (9, 45). What is the slope of this line?​

Mathematics
1 answer:
Orlov [11]3 years ago
6 0

Answer:

m=5

Step-by-step explanation:

      Y2-Y1

m= ______

      X2-X1

X1= 3

Y1= 15

X2= 9

Y2= 45

45-15     30

____= ____

9-3         6

30/6=5

m=5

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m_a_m_a [10]

Answer:

There are N students in the class.

We know that ONLY ONE of the inequalities is true:

N < 10

N > 10

N < 22

N > 22

We want only one of these four inequalities to be true.

Remember that if we have:

x > y

y is not a solution, because:

y > y is false.

Then:

If we take N = 10, then:

N < 22

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While if we take N = 22

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So there are two possible values of N.

8 0
3 years ago
A biology class has a total of 35 students. The number of females is 11 less than the number of males. How many males and how ma
lord [1]

Answer:

23 males and 12 females

Step-by-step explanation:

x = # of females

y = # of males

x + y = 35

x + x + 11 = 35

2x + 11 =35    (SUBTRACT 11 FROM BOTH SIDES)

2x = 24          (DIVIDE BOTH SIDES BY 2)

x = 12 females

x + y =35

12 + y = 35     (SUBTRACT 12 FROM BOTH SIDES)

y = 23 males

23 males + 12 females = 35 students

3 0
2 years ago
What is the equation of a circle with a center (-2, 3) and a radius r = 5?
qwelly [4]
The formula for the equation of a circle is:
(x - h)^2 + (y - k)^2 = r^2

(h, k) is the center.

So the equation would be:
(x + 2)^2 + (y - 3)^2 = 5^2
or
(x + 2)^2 + (y - 3)^2 = 25
6 0
3 years ago
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astra-53 [7]
The remainder to this question is 42
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3 years ago
Read 2 more answers
Please answer !! picture shown
ehidna [41]
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Final Answer: Choice D) 4

8 0
3 years ago
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