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I am Lyosha [343]
2 years ago
10

A parallelogram with sides s and t has perimeter 2s+2t. Kelly is decorating the edge of her parallelogram-shaped craft table. Th

e tabletop has sides that are 30 inches and 14.5 inches.
What is the perimeter of the tabletop?
Mathematics
1 answer:
skad [1K]2 years ago
8 0

Answer:

what grade  so i can help

Step-by-step explanation:

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How do I find x and y using what is in the equation
Tatiana [17]

y is part of a right angle on line AB

 a right angle = 90 degrees

 90-47 = 43 degrees

y = 43 degrees

a straight line = 180 degrees

180-47 = 133 degrees

 x = 133 degrees

5 0
2 years ago
The cost of 3 scarves is $80.25. What is the unit price?
Lynna [10]

Answer:

$26.75 per scarf

Step-by-step explanation:

3 scarves = $80.25 (quite expensive)

1 scarf = $80.25/3

1 scarf = $26.75

7 0
2 years ago
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Find the x-intercepts of the parabola with vertex (1,1) and y-intercept (0,-3). Write your answer in this form (x of 1 , y of 1)
Vikki [24]
Remember that the vertex form of a parabola or quadratic equation is:

y=a(x-h)^2+k, where (h,k) is the "vertex" which is the maximum or minimum point of the parabola  (and a is half the acceleration of the of the function, but that is maybe too much :P)

In this case we are given that the vertex is (1,1) so we have:

y=a(x-1)^2+1, and then we are told that there is a point (0,-3) so we can say:

-3=a(0-1)^2+1

-3=a+1

-4=a so our complete equation in vertex form is:

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

Now you wish to know where the x-intercepts are.  x-intercepts are when the graph touches the x-axis, ie, when y=0 so

0=-4(x-1)^2+1  add 4(x-1)^2 to both sides

4(x-1)^2=1  divide both sides by 4

(x-1)^2=1/4  take the square root of both sides

x-1=±√(1/4)  which is equal to

x-1=±1/2  add 1 to both sides

x=1±1/2

So x=0.5 and 1.5, thus the x-intercept points are:

(0.5, 0) and (1.5, 0)  or if you like fractions:

(1/2, 0) and (3/2, 0) :P
4 0
3 years ago
Solve for x in the triangle above
faust18 [17]

Answer:

x = 30

Step-by-step explanation:

The interior angles of a triangle must always add up to 180.

2x + 2x + 3x - 30 = 180

Add 30 to both sides to seperate variables.

2x + 2x + 3x = 210

Combine like terms.

7x = 210

Divide by 7 to isolate x.

x = 30

8 0
3 years ago
Jesse is not allowed to work more than 20 hours each week at his part time job . He has already worked 4 hours this week. The in
Drupady [299]

Been a bit since i’ve done this kind of problem.

X+4=20

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