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Katyanochek1 [597]
3 years ago
15

Felipe is decorating pictures for crafts day. The pictures are 7 cm wide and 11 cm long. Which is the correct unit of measuremen

t to use when figuring out how much string is needed to put around the picture? A. cm3 B. cm2 C. cm
Mathematics
2 answers:
melamori03 [73]3 years ago
5 0
C im pretty sure because you would measure it in cm
Evgen [1.6K]3 years ago
5 0
"Around" = perimeter, so the answer is C: cm. cm^3 refers to volume and cm^2 refers to area.  
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Stephanie can jump rope 12o turns in 3 minutes. How many turns does she make in 1 minute
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To find this, you just divide 120/3 to find how many in one minute.
8 0
3 years ago
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What is the surface area of the given figure?
yKpoI14uk [10]
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4 0
4 years ago
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Write the equation of a line that is perpendicular to y = –x-6and that passes through the point
defon

Answer:

y = x + 5

Step-by-step explanation:

Perpendicularity: Slope is the opposite reciprocal. In this case with it being -1 aka -1/1, the slope will be 1 aka 1/1

Find the opposite reciprocal of the slope

m = -1 = -1/1

so,

m⊥ = 1 as the opposite reciprocal is 1/1

2 - Plug the new slope into y = mx + b

y = mx + b

y = 1x + b

y = x + b

3 - Plug the point values in replacing x and y to get alone and solve for the y intercept, b.

 y = x + b

-4 = -9 + b

+9  +9

5 = b

4 - Plug into the values into y = mx + b all together

y = mx + b

y = 1x + 5

y = x + 5

Hope this helps :)

8 0
3 years ago
A circle with the equation (x + 3)2 + (y - 2)2 = 25 is reflected over the line x = 2.
Elza [17]
So the circle has and equation of (x+3)2+(y-2)2=25 and its reflected over the line of two. So first in your problem is to simplify the function which could represent the y=mx+b. So it goes like this:
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so it means the answer would be in this kind of formula and i hope you can solve it cause im confused also so here is the formula:
(x-h)2-(y-k)2=25


7 0
3 years ago
when a 6-foot tall fence post castes a 10 foot shadow, a pine tree castes a 45 foot shadow how tall is the tree
ipn [44]

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Step-by-step explanation:

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4 0
3 years ago
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