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KATRIN_1 [288]
2 years ago
10

Which expression is equivalent to 4 (9 + 7)

Mathematics
1 answer:
Bad White [126]2 years ago
8 0

4(9+7) = 36+28 = 64

open the parentheses, then simplify.

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Radius = 11 cm.; Height = 10 cm.
Fittoniya [83]

Answer:

3801.32 {cm}^{3}

Step-by-step explanation:

V=π {r}^{2} h \\ =π· {11}^{2} ·10 \\ ≈3801.3271

5 0
3 years ago
Can you double a square with a straightedge and a compass?
sergejj [24]
I'd say yes.  If you use the diagonal as a reference.  Take the square and set your compass to the width of the diameter of the square.  Now put it on the page and mark a point.  Put the point of the compass on that mark and make another mark.  Now you can connect the two marks with the straight edge and you have a line that, if you made a square with sides that long, it'd have 2x the area of the first one.  That's because the diagonal is the square root of 2 larger than one side.  Square the square root of 2 and you've got 2.  You lust need to make a perpendicular line to the first one to get the box going.
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3 years ago
20n^2t / 5n^t what is the answer? and y?
Anastasy [175]
I hope this helps you

6 0
3 years ago
I have 70 emojis 3 smiling 26 laughing the rest are thumbs up. How many emojis are thumbs up?
Naddika [18.5K]
70 - 3 = 67 emojis

67 - 26 = 41 emojis

41 emojis have thumbs up.
6 0
3 years ago
Read 2 more answers
Please help me solve this
seropon [69]

9514 1404 393

Answer:

  103°

Step-by-step explanation:

The law of sines tells you ...

  sin(C)/c = sin(A)/a

  sin(C) = (c/a)sin(A)

  C = arcsin(c/a·sin(A)) = arcsin(37/19·sin(30°)) ≈ 180° -76.8° ≈ 103°

Obtuse angle C is about 103°.

5 0
3 years ago
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