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Marta_Voda [28]
3 years ago
6

98. Explain in your own words, how you can tell from its equation whether a parabola opens up, down, left or right.

Mathematics
1 answer:
Nitella [24]3 years ago
8 0

Answer:

The same way you tell if a parabola opens up or down, by the leading coefficient of the variable.

Step-by-step explanation:

Since the x-axis is positive to the right, a positive leading coefficient (3) means it opens to the right. eg. And a negative leading coefficient (-2) means it opens to the left.

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PLEASE HELP !! I will mark brainly
Stells [14]

You graph it at the coordinates. Unless there was a drawing pad you can't really draw it out.

8 0
3 years ago
Select the correct answer.
lukranit [14]

Answer:

53*15*12=9540

Step-by-step explanation:

its just 53 times 15 times 12 for all the possibilities.

Say the first football player was picked, same with the first baseball player, and the first basketball player were all picked, then another possiblity would be the first football player, the second baseball player, and the first basketball player, here is a numerical example.

Football            Baseball             Basketball

     1                         1                             1  

     1                         2                            1

     1                         2                            2

     1                         2                            3

     1                         2                            4

and so on including all the patterns it would be 9540 possibilities

8 0
3 years ago
If the area is 1 then what is the side length of a square?
Aleksandr [31]
The side length of the square is also 1.
8 0
3 years ago
Read 2 more answers
Review of Significant Figures: How many significant figures does the result of the following calculation have: 24.78*(37.3-31.72
horsena [70]

Answer:

The significant figure of the result is 138.8

Step-by-step explanation:

24.78*(37.3 - 31.72)

Solving the bracket first:

37.3 - 31.72 = 5.58

A zero is added to 37.3 before the substraction, so;

37.3 - 31.72 = 37.30 - 31.72 = 5.58

Following the rule of significant figure; we have the answer of the substraction as 5.6 since the least number of significant is one decimal place.

The new expression will be:

24.78 * 5.6 = 138.768

Therefore, the result of our expression 138.8 by following the rule of significant figure

5 0
3 years ago
Factor the expression 3b+18b+21
GrogVix [38]

Answer:

21b+21

Step-by-step explanation:

1. simply, combine like terms

3b t 18b +21

add 3b and 18b

it gives u 21b +21

3 0
3 years ago
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