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liraira [26]
3 years ago
6

THIS IS VERY URGENT!!!!!!!! URGENT PLEASE HELP!!. If I had more points I would have given you a ton more

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0
Pls insert a picture!
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At a schools field day, students will throw table tennis balls then measure the distance. There are 626 students in the school.
qaws [65]

Answer: 105 packs

Step-by-step explanation: The correct answer is 105 packs of table tennis balls. You need a total of 626 balls, so you divide this by 6 because that is what a standard package contains. The formula is 626/6 = 104.3. You will need 104 packs plus .3 of a pack, which means that you need to round it up to 105 packs of table tennis balls.

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3 years ago
42° N LATITUDE , 83°W longitude​
Andreas93 [3]

Lake Erie

Step-by-step explanation:

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An observer measures the angle from the ground
BigorU [14]

Answer:

The answer is 138*

Step-by-step explanation:

The next one is 7

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3 0
3 years ago
The circumference of a sphere was measured to be 82 cm with a possible error of 0.5 cm.
Nat2105 [25]

Answer:

A) Maximum error = 170.32 cm³

B)Relative error = 0.0575

Step-by-step explanation:

A) Formula for circumference is: C = 2πr

Differentiating with respect to r, we have;

dC/dr = 2π

r is small, so we can write;

ΔC/Δr = 2π

So, Δr = ΔC/2π

We are told that ΔC = 0.5.

Thus; Δr = 0.5/2π = 0.25/π

Now, formula for Volume of a sphere is;

V(r) = (4/3)πr³

Differentiating with respect to r, we have;

dV/dr = 4πr²

Again, r is small, so we can write;

ΔS/Δr = 4πr²

ΔV = 4πr² × Δr

Rewriting, we have;

ΔV = ((2πr)²/π) × Δr

Since C = 2πr, we now have;

ΔV = (C²/π)Δr

ΔV will be maximum when Δr is maximum

Thus, ΔV = (C²/π) × 0.25/π

C = 82 cm

Thus;

ΔV = (82²/π) × 0.25/π

ΔV = 170.32 cm³

B) Formula for relative error = ΔV/V

Relative error = 170.32/((4/3)πr³)

Relative error = 170.32/((4/3)C³/8π³)

Relative errror = 170.32/((4/3)82³/8π³)

Relative error = 170.32/2963.744

Relative error = 0.0575

3 0
3 years ago
2/3 ÷ 2/12= <br>What is the answer?​
Lynna [10]
It’s 4 have a good day
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