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sineoko [7]
2 years ago
14

Simplify the expression 63 + 5(4-2)

Mathematics
1 answer:
Natalka [10]2 years ago
6 0

Answer:

63 + 10

Step-by-step explanation:

when you do parenthesis and the number is next to another one with no symbol you multiply so 4-2 = 2 2 x 5 = 10 giving you 63 + 10

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-0.5 is the answer I think

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What is the general term equation, an, for the arithmetic sequence 9, 5, 1, −3, . . . , and what is the 21st term of this sequen
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Hello : 
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3 0
3 years ago
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Marrrta [24]

Part (a)

The radius is r = 42 because OA = 42.

The circumference, aka distance around the circle, is

C = 2*pi*r

C = 2*(22/7)*42

C = 264

We're told that arc AB is 110 mm which is 110/264 = 5/12 of the full distance around the circle.

So we'll apply 5/12 to the full rotation 360 to get (5/12)*360 = 150

<h3>Answer:  150 degrees</h3>

==============================================================

Part (b)

Compute the area of the full circle

A = pi*r^2

A = (22/7)*(42)^2

A = 5544

Then take 5/12 of this because we only want 5/12 of the full circle area (to get the area of the shaded pizza slice)

(5/12)*(5544) = 2310

<h3>Answer:  2310 square mm</h3>

==============================================================

Side note: Both answers are approximate because pi = 22/7 is approximate.

5 0
2 years ago
If y=-4 when x=10 find y when x=5
marusya05 [52]
Y = 2 because half of 10 is 5 so half of 4 is 2
3 0
3 years ago
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