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DiKsa [7]
3 years ago
13

A survey asked 10 boys and 10 girls how many text messages they sent the previous day. The

Mathematics
1 answer:
Genrish500 [490]3 years ago
4 0

Answer:

You might want to put that in a picture, because that makes very little sense.

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This question is worth 50 points, make sure to provide ALL calculations without using a calculator, though.
Fed [463]

Answer:

<h2>16 cm</h2>

Step-by-step explanation:

Use the formula for the volume of a cone:

V = (1/3)(area of base / round opening)(height of cone)

In this case we're interested in the following:

(1/3)(area of base / round opening)(height of cone) ≤ 535 cm³

First, mult. both sides by 3 to elim. the fraction 1/3:

(area of base)(height) ≤ 1605 cm³

Since the height is 8 cm, we now have:

(area of base) / (8 cm) = 1605 cm³, or

(area of base) = (1605 cm³) · (8 cm) = 200.625 cm²

The formula for the area of a circle is A = 3.14·r², where r is the radius.

If the area of the base is 200.625 cm², as found above, this equals 3.14r², and so

r² = (200.625 cm²) / (3.14) = 63.89 cm²

Then the radius must be +√63.89 cm, or 8 cm

and the diameter must be 2r = 2(8 cm) = 16 cm.  This would be the largest width of the container.

7 0
3 years ago
The numbers of cars (c) in the parking lot increases when the parking fee (f) decrease. Write the correct equation for this scen
vodka [1.7K]
So when one goes up, the other goes down. This is an inverse equation.

An inverse equation looks like this: y = 1/x

In this case, when parking fee (f) decreases, cars (c) increase.
You know which side to put each variable on using the chart they gave you.
f         | c
20.00  15        (20.00 = x/15) x=300
30.00  10        (30.00 = x/10) x=300

So your equation in this case is f = 300/c
Knowing that, plug in the fee of 6.00

6 = 300/c   Multiply both sides by c.
6c = 300    Divide both sides by 6.
c = 50 cars

5 0
3 years ago
Find 18% of 14. Use a decimal.
posledela

Answer:

Step-by-step explanation:

2.52

4 0
2 years ago
Read 2 more answers
Someone answer these
aksik [14]

Answer:

1. 8.5 x 10^8

2. 93/10000 - 4 x 10^12

3. 9.95 x 10^12

Step-by-step explanation:

3 0
3 years ago
In the following figure lines j and k are parallel and are cut by transversal t<br><br> Thanks
Sedbober [7]

angle 1 and angle 7 are alternate exterior angles.

angle 1 and angle 5 are corresponding angles.

angle 3 and angle 8 are same side interior angles.

angle 2 and angle 8 are alternate interior angles.

4 0
3 years ago
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