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Roman55 [17]
3 years ago
6

You and your bestfriend are both on the swim team. You want to beat your bestfriend at the next swim meet so you decide to swim

15 minutes longer than she does on day at practice write an equation for the number of minutes you swim,y, when you bestfriend swims x number of minutes
Mathematics
1 answer:
QveST [7]3 years ago
7 0

Answer:

y = x + 15

Step-by-step explanation:

You swim 15 minutes more than a friend.The friend swims x minutes.

The amount of time you swim is 15 more than x.

Your time is y

Therefore y = x + 15 would be the equation.

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Evaluate 10x2y-2 for x = -1 and y = -2.
Rzqust [24]

Answer:

38

Step-by-step explanation:

hope it helps u

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3 years ago
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A teacher wants to buy supplies for two of their students, Susie and John. This teacher wants to spend at least $5 on each stude
tino4ka555 [31]
X and y represent the two students.

Teacher wants to spend at least $5 in each of x and y. That means x or y could be either equal to 5 or higher than 5.
x ≥ 5
y ≥ 5

Teacher only spends under $30. That means the sum of x and y couldn't be equal to higher than 30. It should be lower than 30.
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The correct answer is option D
6 0
3 years ago
3+3+3<br> Please Help....
NeX [460]

Answer:

9

Step-by-step explanation:

7 0
3 years ago
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What is the equation in vertex form of the quadratic function with a vertex at (-1, -4) that goes through (1, 8)?
cestrela7 [59]

Answer:

y = 3(x+1)^2 - 4

Step-by-step explanation:The general form of the equation of a quadratic function whose vertex is (h,k) and whose leading coefficient is a is:

y - k = a(x-h)^2, or

y      = a(x-h)^2 - k

Substituting the coefficients of the vertex (-1, -4), we get:

y      = a(x + 1)^2 - 4

Substituting the coordinates of the given point, (1,8), we get:

8      = a(1+1)^2 - 4, which simplifies to:

8      = a(2)^2 - 4, or

8  = 4a - 4.  Then 4a = 12, and a = 3.

Thus, the desired equation is y = 3(x+1)^2 - 4 (answer j).


5 0
3 years ago
A triangle and a trapezoid are graphed on the coordinate plane shown below.
Gre4nikov [31]

Answer:

10 sq units

Step-by-step explanation:

Area of triangle = 1/2(4)(2) or 4 square units

Area of trapezoid = 1/2(2)(2+4) or 6 square units

Combined area = 10 sq units

3 0
3 years ago
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