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wariber [46]
3 years ago
9

Do i add 40 + 45? Or multiply

Mathematics
1 answer:
andrey2020 [161]3 years ago
6 0

Answer:

<em>you add 40+45</em>

Step-by-step explanation:

<em>40+45=85 </em>

<em>then you subtract 180 - 85 = 95</em>

<em>then divide x into 95 that will give you x=95</em>

<em />

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Which rate is faster:a bird traveling at a constant rate of 2 kilometer per hour or an insect travelinf at a constant rate of 1,
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The bird since 1 kilometer is 1000 meters
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3 years ago
If B is the midpoint of AC and AB = 4x + 14 and BC = x + 20, determine how long AC is.
Serhud [2]

Answer:

44 units

Step-by-step explanation:

Since B is the mid-point of AC

AB=BC

or,4x+14=x+20

or, 4x-x=20-14

or 3x=6

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AC=AB+BC

= 4x+14+x+20

= 4(2) + 14 +2 +20

= 8+14+22

=44 units

5 0
3 years ago
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Find the volume of a cone with base area 36pi ft^2 and a height equal to twice the radius.
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2 years ago
Suppose that you drop a ball from a window 50 metres above the ground. The ball bounces to 50% of its previous height with each
stich3 [128]

We have been given that  you drop a ball from a window 50 metres above the ground. The ball bounces to 50% of its previous height with each bounce. We are asked to find the total distance traveled by up and down from the time it was dropped from the window until the 25th bounce.            

We will use sum of geometric sequence formula to solve our given problem.

S_n=\frac{a\cdot(1-r^n)}{1-r}, where,

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S_{25}=\frac{50\cdot(1-(0.5)^{25})}{1-0.5}

S_{25}=\frac{50\cdot(1-0.0000000298023224)}{0.5}

S_{25}=\frac{50\cdot(0.9999999701976776)}{0.5}

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Therefore, the ball will travel 100 meters and option B is the correct choice.

 

4 0
3 years ago
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Lubov Fominskaja [6]

Answer:

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2 years ago
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