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3 years ago

A pie can be cut into more than seven pieces by making four diameter cuts.

2 answers:

8 0

True
a diameter cut goes through the middle of the pie

if we do one cut, we get 2 pices
if we do another one, perpendicular to first, we get 4 pieces
another cut (3rd), with a line that is an angle bisector of the other 2 lines, we get 6 pieces
4th, with a line perpendicular to the 3rd, we get 8 pices

8>7 so true

iVinArrow [24]3 years ago

3 0

I'm pretty sure it's true

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max2010maxim [7]

Answer:

Slope = $\frac{-4}{3}$

4x + 3y = 23

Step-by-step explanation:

slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{-3-5}{8-2} =\frac{-8}{6} =\frac{-4}{3}$

The equation:

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y - 5 = -4/3 (x - 2) Multiply both sides by 3

3y -15 = -4 (x - 2)

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4 years ago

Round 418 to the nearest ten.

marissa [1.9K]

Answer:

The answer should be 420.

Step-by-step explanation:

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3 years ago

Population Growth The population of a town of 5000

Nesterboy [21]

Answer:

a) $A=5000{(1.03)}^{t}$

b) 5464 inhabitants.

Step-by-step explanation:

The formula used for compound interest becomes very helpful in this case.

$A=P{(1+r)}^{t}\\\\When:\\A = Final Value\\P = Initial Value\\r = Rate of Change (Decimal)\\t = Time (Years)$

Knowing this, we can easily calculate the value for any year, counting from the original 5000.

From this formula, we can derive a specific one that will serve for any value of <em>t</em>.

$A=5000{(1+0.03)}^{t}\\A=5000{(1.03)}^{t}$

b) Apply the formula:

$A=5000{(1.03)}^{3}\\A=5000(1.092727)\\A=5463.635=5464$

The town will have 5464 inhabitants.

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4 years ago

Presents of equal size are in a boxes each with dimensions of 10 inches length, 4 inches width, and 2 inches height. How many pr

Maurinko [17]

Answer:

You can make 7.5 gifts presents (or just 7)

Step-by-step explanation:

First I calculated the area of 1 box, which is 80 inches squared. Then I just divided the 600 square inches with the 80 inches. 600/80= 7.5. Therefore, you can make 7 presents (since you cannot wrap half of a present (0.5))

Hope this helps !

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2 years ago

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Naddik [55]

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