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Y_Kistochka [10]
3 years ago
6

The number of siblings a student has and the grade they have in math class

Mathematics
1 answer:
Doss [256]3 years ago
3 0

Um.. Is this a question ?

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Which equation represents a parabola that opens upward, has a minimum at x = 3, and has a line of symmetry at x = 3?
Licemer1 [7]

Answer:

A. y = x^2 -6x + 13

Step-by-step explanation:

The parabola that opens up and has line of symmetry x=3 and a minimum at x=3  is

y=x^2-6x+13

The reason is that, we can write this function in the vertex form to get;

y=x^2-6x+(-3)^2+13-(-3)^2

y=(x-3)^2+13-9

y=(x-3)^2+4

Hence the line of symmetry is x=3 and the vertex is (3,4)

8 0
3 years ago
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I need help with this question, i forgot how to do these.
CaHeK987 [17]

Answer:

So you want to isloate the u

Step-by-step explanation:

first multiply u/5 in both side then add 14

4 0
2 years ago
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Spencer has two tapes of different color for decoration. His red tape measures 5/6 of a yard, and his green tape measures 1/3 of
Lady_Fox [76]
Given from the question
first fraction = 5/6
second fraction = 1/3

We're asked what's the difference between the fraction

First, we need to equalize the denominator to the same number. The first denominator is 6, the second denominator is 3. I'd like to make them both 6. So the second denominator needs to be multiplied by 2, so does the numerator
second fraction = 1/3
second fraction = (1 × 2)/(3 × 2)
second fraction = 2/6

Second, we have new fractions which have the same denominator. Calculate the difference
d = first fraction - second fraction
d = 5/6 - 2/6
d = 3/6

The red tape is 3/6 yard more than the green tape.
6 0
4 years ago
Find the circumference of a circular dog pen that has a radius of 35 meters. use 22/7 for pie​
fenix001 [56]

Answer:

219.91 meters

Step-by-step explanation:

4 0
3 years ago
A card is drawn from a well shuffled deck of 52 cards. find the probability of drawing a 7 of hearts
den301095 [7]
1/52 because there is only one 7 of hearts in the 52 cards.
4 0
3 years ago
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