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sergey [27]
3 years ago
8

What is the slope of the line through (2,-2)(2,−2)(, 2, comma, minus, 2, )and (9,3)(9,3)(, 9, comma, 3, )? Choose 1 answer: Choo

se 1 answer:
a.(Choice A) A \dfrac57 7 5 ​ start fraction, 5, divided by, 7, end fraction
b.(Choice B) B -\dfrac75− 5 7 ​ minus, start fraction, 7, divided by, 5, end fraction
c.(Choice C) C -\dfrac57− 7 5 ​ minus, start fraction, 5, divided by, 7, end fraction
d.(Choice D) D \dfrac75 5 7 ​
Mathematics
1 answer:
svp [43]3 years ago
3 0

Answer:

A)  \frac{5}{7}

Step-by-step explanation:

Use the two-points formula for the slope of a line.

We know that the points (2,-2) and (9,3) are on the line. If (a,b),(c,d) are points on a line then the slope m is defined by the equation m=\frac{d-b}{c-a}. In this case, a=2,b=-2,c=9 and d=3 then the slope is m=\frac{3-(-2)}{9-2}=\frac{5}{7}.

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For an outdoor concert by the city orchestra, concert organizers estimate that 10,000 people will attend if it's not raining. If
Vlada [557]

Answer:

The number of expected people at the concert is 8,500 people

Step-by-step explanation:

In this question, we are asked to determine the expected number of people that will attend a concert if we are given the probabilities that it will rain and it will not rain.

We proceed as follows;

The probability that it will rain is 30% or 0:3

The probability that it will not rain would be 1 -0.3 = 0.7

Now, we proceed to calculate the number of people that will attend by multiplying the probabilities by the expected number of people when it rains and when it does not rain.

Mathematically this is;

Number of expected guests = (probability of not raining * number of expected guests when it does not rain) + (probability of raining * number of expected guests when it rains)

Let’s plug values;

Number of expected guests = (0.3 * 5,000) + (0.7 * 10,000) = 1,500 + 7,000 = 8,500 people

4 0
3 years ago
2 4/10 + 3 5/8 = what does it equal
photoshop1234 [79]
2 4/10 + 3 5/8
= 6 1/40
4 0
3 years ago
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If Lucas runs 5 miles in 38 minutes, what is his unit rate per minute?
Zina [86]

Answer:

1 mile every 7.6 min

Step-by-step explanation:

5 0
3 years ago
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Please help me find the area of this shape
oee [108]

Answer:

Step-by-step explanation:

15 x 7 = 105

The gap is either 9 x 7 =63 or 12 x 7 = 84

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I don't know bro actually which question ❓

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