Multiply (1/2) (-1/4) Which of the following is correct?
2 answers:
Answer:
Hey there! your answer should be the first choice, -1/8
Step-by-step explanation:
multiplication and division in fraction are way easier than adding and subtracting them since you don't have to use factoring much.
so first you set them aside
then, literally just multiply them across.
meaning, top times top a.k.a. the numerator and bottom times bottom a.k.a. the denominator
check this little cheat code
positive x positive = positive
negative x negative = positive
positive x negative = negative
negative x positive = negative
so lets do the top, the numerators first: 1 x (-1) = -1
then the bottom, the denominators next: 2 x 4 = 8
now replace your answer with that and you get which leads you with the first answer choice.
I hope this helps! :)
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The amount of fabric in inches Felicia need to make the actual shape for the comforter is 660 in²
<h3>What is a trapezoid?</h3>It is defined as the quadrilateral having four sides in which two sides are parallel to each other, it is a 2-dimensional geometry.
We have a trapezoid in the picture shown with dimensions.
We know the area of the trapezoid is given by:
Here a = 15 cm, b = 22 cm and h = 11 cm
A = 203.5 square cm
To make the square from the trapezoid, Felicia needs to cut two triangles from the both end, as shown in the figure.
The height of the triangle = 11 cm
And base length = (22-15)/2 = 3.5 cm
The area of the triangle = (11×3.5)/2 = 19.25 square cm
Area of the two triangles = 2×19.25 = 38.5 square cm
Now the amount of fabric = 203.5 - 38.5 = 165 square cm
As the scale is given 1 cm = 2 in
1 cm ² = 4 in²
So, the amount of fabric in inches = 165×4 = 660 in²
Thus, the amount of fabric in inches Felicia need to make the actual shape for the comforter is 660 in²
Learn more about the trapezoid here:
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