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Katarina [22]
2 years ago
11

Harper bought 8.6 cm of fabric. She used 2.8 meters making a pilow . How many cm of fabric does she have left

Mathematics
1 answer:
KiRa [710]2 years ago
3 0

Answer:

5.8 cm fabric is left

Step-by-step explanation:

Fabric bought = 8.6 cm

Used fabric to make pillow = 2.8 m

We need to find the amount of left fabric.

Left fabric = total fabric - used fabric

= 8.6 cm - 2.8 cm

= 5.8 cm

Hence, 5.8 cm fabric is left.

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\frac{2}{6}

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358710

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The image of a parabolic mirror is sketched on a graph. The image can be represented using the function y = x2 + 2, where x repr
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LORAN is a long range hyperbolic navigation system. Suppose two LORAN transmitters are located at the coordinates (−60,0) and (6
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LORAN follows an hyperbolic path.

The equation of the hyperbola is: \mathbf{\frac{x^2}{2500} + \frac{y^2}{1100} = 1}

The coordinates are given as:

\mathbf{(x,y) = (-60,0)\ (60,0)}

The center of the hyperbola  is  

\mathbf{(h,k) = (0,0)}

The distance from the center to the focal points is given as:

\mathbf{c = 60}

Square both sides

\mathbf{c^2 = 3600}

The distance from the receiver to the transmitters  is given as:

\mathbf{2a = 100}

Divide both sides by 2

\mathbf{a = 50}

Square both sides

\mathbf{a^2 = 2500}

We have:

\mathbf{b^2 = c^2 - a^2}

This gives

\mathbf{b^2 = 3600 - 2500}

\mathbf{b^2 = 1100}  

The equation of an hyperbola is:

\mathbf{\frac{(x - h)^2}{a^2} + \frac{(y - k)^2}{b^2} = 1}

So, we have:

\mathbf{\frac{(x - 0)^2}{2500} + \frac{(y - 0)^2}{1100} = 1}

\mathbf{\frac{x^2}{2500} + \frac{y^2}{1100} = 1}

Hence, the equation of the hyperbola is: \mathbf{\frac{x^2}{2500} + \frac{y^2}{1100} = 1}

Read more about hyperbolas at:

brainly.com/question/15697124

7 0
2 years ago
Read 2 more answers
Find the square root of 1010001 base two,leaving ur answer in base​
lord [1]
(101001/4) 1/2




and can u answer my discussion
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2 years ago
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