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3 years ago

If my teacher has 45 hair pieces and she cuts 38 how many does she have left

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

7 0

Answer:

45 you have and 38 is cutted down

then 45-38 = 7 hair piece

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The equation y = 8x + 12, where x is the number of hours and y is the total cost, represents what the surf instructor charges fo

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We know from the slope intercept form that y=mx+b so the y intercept is 12 while every hour the cost goes up by 8

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3 years ago

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I need help with this, plz help

antoniya [11.8K]

Answer:

<AFB

Step-by-step explanation:

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2 years ago

Three ballet dancers are positioned on stage. If Lauren is 6 meters straight behind Alexa and

HACTEHA [7]

Answer:

d = 10 m

Step-by-step explanation:

Given that,

tLauren is 6 meters straight behind Alexa and 8 meters directly left of Danielle. We need to find the distance between Alexa and Danielle. It can be calculated using Pythagoras theorem such that,

$d=\sqrt{8^2+6^2} \\\\d=10\ m$

So, the distance between Alexa and Danielle is 10 m.

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2 years ago

Find the perimeter of a polygon with vertices at A(0, 1), B(4, 4), C(7, 0), D(3, -3), E(-4, -4). Round your answer to the neares

wlad13 [49]

It's interesting that areas from coordinates are much simpler than perimeters from coordinates. It's almost like math is telling us area is more fundamental than length.

p = AB+BC+CD+DE+EA

We use the Pythagorean theorem, square root form, on all the sides. We can skip a lot of the square roots because most of these are the hypotenuse of a 3/4/5 right triangle.

B-A=(4-0, 4-1)=(4,3) so length AB=5

C-B=(7-4,0-4)=(3,-4), so again BC=5

D-C=(3-7, -3-0)=(-4,-3) so again CD=5

E-D=(-4-3, -4 - -3) = (-7, -1). Ends our streak. DE=√(7²+1²)=√50=5√2.

A-E=(0 - -4,1 - -4)=(4,5) so EA=√(4²+5²)=√41.

Three of five were 3/4/5.

p = 5+5+5+5√2+√41 = 15+5√2+√41

I hate to ruin a nice exact answer with an approximation.

p ≈ 28.474192049298324

Answer: 28.47, last choice

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3 years ago

Convert.<br><br> 32 ft = <br> yd <br> ft Helpp

Nadusha1986 [10]

Answer:

10.667 yards

Step-by-step explanation:

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3 years ago