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coldgirl [10]
3 years ago
9

How many different pairs of numbers with a difference of 12

Mathematics
1 answer:
konstantin123 [22]3 years ago
6 0
There is an infinite amount of pairs with a difference of 12
e.g
12-0
13-1
14-2
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in a sixth grade music Class ,1/5 of the class wants to play the drums .which decimal is equivalent to 1/5
Brums [2.3K]
The decimal equivalent 1/5 is .2
Think of it like this.
If you multiply the denominator (5) by 2 and the Numerator by 2 (1) You will get 2/10and 2/10 would be 20
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3 years ago
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The ANOVA procedure is a statistical approach for determining whether or not a. the means of two samples are equal b. the means
luda_lava [24]

Answer:

d. the means of two or more populations are equal

Step-by-step explanation:

ANOVA is a short term for analysis of variance and it was developed by the notable statistician Ronald Fisher. It is typically a collection of statistical models with their respective estimation procedures used for the analysis of the difference between the group of means found in a sample. Simply stated, ANOVA helps to ensure we have a balanced data by splitting the observed variability of a data set into random and systematic factors. In Statistics, the random factors doesn't have any significant impact on the data set but the systematic factors does have an influence.

The ANOVA procedure is a statistical approach for determining whether or not the means of two or more populations are equal through the use of a F-test or null hypothesis.

3 0
3 years ago
What is the equation of the quadratic graph with a focus of (5, −1) and a directrix of y = 1?
pav-90 [236]
(x-h)^2=4p(y-k)
vertex is (h,k)
p is the distance from focus to vertex and distance from vertex to directix (vertex is in middle of directix and focus)
if p is positive, the parabola opens up and the focus is above the directix
if p is negative, the parabola opens down and the focus is below the directix
 
we see the directix is over the focus (1>-1) so the parabola opens down and p is negative
distance from (5,-1) to y=1 is 2 units
2/2=1
p=-1 since p is negative
1 up from (5,-1) is (5,0)
veretx is (5,0)
(x-5)^2=4(-1)(y-0)
(x-5)^2=-4y is the equation
5 0
2 years ago
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Matt took a taxi from his home to the airport. The taxi driver charged an initial fee of $6.75 plus $2.20 per mile. The total fa
Dima020 [189]

Answer11

Step-by-step explanation:

30.95-6.75 is 24.20 now 24.20 divided by 2.20 is 11

3 0
3 years ago
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(08.03 MC)
tester [92]
The trick here is to notice that all 3 terms can be div. by 2:

2(x^2 + x - 12)

Note that -12 factors into -3 * 4 or -4 * 3.  Thus,

x^2 + x - 12 = (x-4)(x+3), and so <span>2x2 + 2x − 24 = 2(x-4)(x+3).</span>
7 0
2 years ago
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