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PtichkaEL [24]
3 years ago
12

Each of the 3 twins sleep in a twin bed. They all need sheets. At a store they have sheets that are 50% off and each sheet is 18

$ how much will 2 sheets cost and 6 sheets cost? How and why?
Mathematics
1 answer:
Debora [2.8K]3 years ago
7 0
Each sheet is $9 with the discount. 2 sheets would cost $18 because 9x2 is 18. 6 sheets would cost $54 dollars because 9x6 is 54.
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Which of these is a correct step I construing an angle bisector?
olasank [31]

Answer:

1) Place the compass point at the vertex of the angle and open it to any width. Draw an arc that intersects of the sides of the angle.

2) Place the compass point at the one of the intersection points. Place the pencil at the other intersection point. This sets the compass with.

3) Draw an arc inside the angle.

4) Move the compass point to the intersection point on the other side of the angle being sure to keep the compass width the same. Draw a second arc inside the angle.

5) Make a point where the 2 arcs intersect the angle. Use a straight edge to draw a ray from the vertex of the angle through the point.

8 0
3 years ago
Please help picture below
Strike441 [17]
The answer is 5 and 0

(-5) + 5 = 0
4 0
2 years ago
Which equation is y = 9x2 + 9x – 1 rewritten in vertex form?
Llana [10]

Answer:

1. y = 9(x+1/2)^2 -13/4

Step-by-step explanation:

y = 9x^2 + 9x – 1

first isolate the x terms

y = 9(x^2 +x) -1

then add 1/4 inside the brackets to make it a perfect square trinomial (half of the coefficient of the x term squared is how we get 1/4)

since we just added 1/4 we need to subtract what we just added to balance the equation. so 1/4 times 9 is 9/4 ( the number we just added to the equation). then you subtract 9/4 outside of the brackets.

y = 9(x^2 +x +1/4) -1 -9/4

then simplify

y = 9(x+1/2)^2 -13/4

6 0
3 years ago
The sum of all but one interior angle of a heptagon is 776°. what is the measure of the final interior angle? 42º 56º 124º 304º
Mekhanik [1.2K]

A heptagon has seven sides. The measure of the final interior angle of the heptagon is 124°.

<h3>What is heptagon?</h3>

A heptagon, sometimes known as a septagon, is a seven-sided polygon. The heptagon is also known as the septagon, which combines the prefix "sept-" with the Greek suffix "-agon," which means "angle."

A heptagon has 7 sides therefore, the sum of the interior angle of the heptagon can be written as,

\text{Sum of intetrior angles of a polygon with n sides} = (n-2)\times 180^o\\\\\text{Sum of all the angle of heptagon} = (7-2) \times 180^o = 900^o

As it is said in the problem that the sum of the all the angles of the heptagon  except one is 776°, therefore, the measure of the last angle of the heptagon is,

The measure of the last angle = 900° - 776° = 124°

Hence, the measure of the final interior angle of the heptagon is 124°.

Learn more about Heptagon:

brainly.com/question/12630702

3 0
2 years ago
Read 2 more answers
A bar diagram for 12×1/2
tekilochka [14]
12* 1/2 is 6. It is 6 because just like 6 times 2 is 12 1/2 times two is 12 it is really the same pretty much.



8 0
3 years ago
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