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Deffense [45]
3 years ago
9

Warm Up

Mathematics
1 answer:
katrin [286]3 years ago
6 0

Given the slope m and a point (a,b) of a line, its equation is given by

y-b=m(x-a)

In your case, a = -4, b = 7 and m=1/2, so we have

y-7=\dfrac{1}{2}(x+4) \iff y=\dfrac{x}{2}+2+7\iff y=\dfrac{x}{2}+9

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Find the median and mean ,mode and range of the data. Which reflects the best measure of the center?
larisa86 [58]
There is no median. the mean is 6.25 and the mean is 5 and 2.
4 0
3 years ago
A walk in interview 12% of Candidates can be selected and 28% of Canada can be put on hold for the next hiring date if 75 candid
Vikentia [17]

Answer:

45 candidates are expected to be rejected

Step-by-step explanation:

Here, we want to calculate the number of candidates to be rejected

The number of candidates to be rejected can be calculated from;

100% - (28% + 12%) = 60%

So 60% of the 75 interviewed are to be rejected

Thus, we have

60/100 * 75

= 45

4 0
3 years ago
Read 2 more answers
three consecutive odd integers such that four times the middle integer is two more than the sum of the first and third
Rainbow [258]
Bearing in mind that, if you multiply, any integer whatsoever by 2, you end up with a even integer, 17*2, or 19*2, 88*2 you name it, you get an even number

now, you can get an odd integer by simply going from an even integer, back or forth, so if you have an even number of say  24, 24  - 1, 23, 24+1, 25, 23 and 25 are the odd ones next to 24

so.. let's pick some number, let's say hmm "a", we know 2*a is even, so 2a, thus, 2a +1 or 2a -1 is an odd one.... let's use hmm 2a + 1 as our first odd integer

to jump from an odd integer to another, you simply add 2, 3+2, 5, 5+2, 7 and so on

so... our first one is 2a + 1, so the next consecutive one, will then be (2a+1)+2

and next consecutive after that is (2a+1+2)+2

so our three consecutive odd integers are then

2a + 1
2a + 3
2a + 5


now, 4 times the middle is 4(2a+3)
the sum of the first and last is  (2a+1) + (2a+5)
now, two more than that is just  (2a+1) + (2a+5) + 2

thus

4(2a + 3) = (2a + 1) + (2a + 5) + 2

solve for "a"
8 0
4 years ago
It has been estimated that a student's final grade in a course decreases by 5 points for every 2 days absent from class. If a st
OverLord2011 [107]

Answer:

the final grade will decrease by 10 points

3 0
3 years ago
Find the sum and product of the roots of the given equation 4x^2-3+6=0
Bingel [31]

Answer:

Step-by-step explanation:

4x^2-3x+6=0

You can't find this out by factoring, so you have to use the quadratic formula.

Quadratic Formula: (-b+/-√b^2-4ac)/2a

A = 4

B = -3

C = 6

Plug in!!

(-(-3)+/-√-3^2-4(4)(6))/2(4)

3+/-√9-96/8

3+/√-87/8

3+/- i√87/8

3/8+/- i√87/8

Answer:

Roots/Zeros:

3/8 + i√87/8

3/8 - i√87/8

Is that what you were looking for...?

5 0
3 years ago
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