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Ira Lisetskai [31]
3 years ago
12

A b c or d..................

Mathematics
2 answers:
inna [77]3 years ago
5 0
B-sorry if I’m wrong
Zarrin [17]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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Find the mean absolute deviation of the data: 5,8,8,10,13,14,16,22
Rama09 [41]

Answer:

7

Step-by-step explanation:

ghj

4 0
3 years ago
you have a right angle triangle, that is labelled with A B and C. The hypotenuse is 2.1 km and point C's angle is 57. Is AB or A
LUCKY_DIMON [66]

Answer:

ab

Step-by-step explanation:

ac should always be longer for it would be the hypotnuse

7 0
3 years ago
Pls help asap i will give brainerlist plus 10 points
Maurinko [17]

Answer:

3, 9

Step-by-step explanation:

In mathematics, a constant term is a term in an algebraic expression that has a value that is constant or cannot change, because it does not contain any modifiable variables.

6 0
3 years ago
Arrange the parabolas represented by the equations in increasing order with respect to the y-values of their directrixes.
Alexus [3.1K]
(x-h)^2=4P(y-k), vertex is (h,k)
P is distance from vertex to directix
remember to subtract P from the y value of the vertex (p-k) and that y value is the directix, y=p-k

nut
ok so one way is to just graph them on a graphing utility
remember if the graph opens up, then the directix is below that
or we can convert to 4P(y-k)=(x-h)^2 form where P is distance from directix

I will only convert the 1st one fully, you should be able to do the rest

1. y=-x^2+3x+8
multiply both sides by -1 since we don't like the x^2 term negative
-y=x^2-3x-8
add8 to both sides
-y+8=x^2-3x
take 1/2 of linear coeficient and square it and add to both sides
-3/2=-1.5
 (-1.5)^2=2.25
-y+10.25=x^2-3x+2.25
factor perfect square
-y+10.25=(x-1.5)^2
force undistribute -1 in left side
(-1)(y-10.25)=something, we don't care anymore for now
factor out a 4 in -1
4(-1/4)(y-10.25)

k=10.25
p=-1/4=-0.25
directix=k-p=10.25-(-0.25)=10.5
directix is y=10.5

basically completee the square with x and find P by force factoring a 4 out

2.  directix: y=-1.75

3. directix: y=1.5

4. directix: y=17.25

5. d: -37.5

6. d: 9.25

7. d=2.625

order them yourself

7 0
2 years ago
Match the terms to their definition. 1. part-whole ratio a ratio comparing a portion of a whole quantity to the whole quantity 2
dem82 [27]

Answer:

They're already matched... at least they way you typed it.

Step-by-step explanation:

A ratio is a comparison of two numbers as a fraction or quotient. A part-whole ratio is a ratio comparing a part of something to the whole thing. A part-part ratio is ratio comparing two different parts of one whole.

4 0
2 years ago
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