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asambeis [7]
4 years ago
13

Which pair of angles must be supplementary?

Mathematics
2 answers:
Alex_Xolod [135]4 years ago
6 0
∠3 and ∠4 are angles that must be supplementary.
Elina [12.6K]4 years ago
4 0
If something is supplementary, that means that together they must equal 180.
A line=180

<3 and <1 are supplementary because they are linear pairs, meaning that together they must equal 180
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2a +7= 15 answer please
Paul [167]

Answer:

a = 4

Step-by-step explanation:

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     - 7  - 7

2a = 8

/2   /2

a = 4

Hope this helps!

7 0
3 years ago
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nikitadnepr [17]
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what is the total surface area of a right rectangular prism with a base of 2 cm by 3cm and a height of 6cm
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Answer:

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A chef pours 550 cubic centimeters of batter into a baking pan in the shape of a right circular cylinder. If the pan has a radiu
serious [3.7K]
We know that
volume of a right circular cylinder=pi*r²*h
where
r ----> is the radius
h---> is the height

in this problem
r=6 cm
h=?
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so
V=pi*r²*h------> h=V/[pi*r²]----> h=550/[3.14*6²]----> h=4.87 cm
<span>Round to the nearest tenth
</span>h=4.9 cm

the answer is
4.9 cm




7 0
4 years ago
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