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3 years ago

Find f(x)=x^2-x^3,find f(-10)

Mathematics

1 answer:

sergij07 [2.7K]3 years ago

3 0

Answer:

f(-10) = 1,100

Step-by-step explanation:

f(-10) = (-10)^2 - (-10)^3

= 100 - (-1000)

= 1,100

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A box is 3 inches by 2 feet by 10 yards. How many cubic inches are in the box? How many cubic yards are in the box? (Show all wo

IceJOKER [234]

Answer:

There are 25920 cubic inches and 0.56 cubic yards in the box.

Step-by-step explanation:

Given:

The dimensions of the box are 3 in by 2 ft by 10 yd.

Convert all in inches.

We know that, 1 ft = 12 in

So, $2\textrm{ ft} = 2\times 12 = 24\textrm{ in}$

Also, 1 yd = 36 in

So, $10\textrm{ yd} = 10\times 36 = 360\textrm{ yd}$

Now, volume of the box in cubic inches is given as:

$V=3\times 24\times 360=25920\textrm{ }in^{3}$

Now, we know that,

$1\textrm{ in} = \frac{1}{36}\textrm{ yd}\\1\textrm{ }in^{3}=\frac{1}{36^{3}}\textrm{ }yd^{3}$

Therefore,

$25920\textrm{ }in^{3}=25920\times \frac{1}{36^{3}}= 0.56\textrm{ }yd^{3}$

So, there are 25920 cubic inches and 0.56 cubic yards in the box.

8 0

2 years ago

Anybody pls solve this question and explanation btw.

kondaur [170]

Answer:

$Vol=883.6875\,\, cm^3\\$

Step-by-step explanation:

Recall that the volume of a whole sphere is given by the formula:

$Vol_{sphere}=\frac{4}{3} \pi\,R^3$

then, the volume of a semi-sphere would be half of the formula above:

$Vol=\frac{2}{3}\, \pi\,R^3$

Now, the radius R is given by half of the semi-sphere diameter: 15/2 = 7.5 cm.

which makes our calculation:

$Vol=\frac{2}{3}\, \pi\,R^3=\frac{2}{3}\, \pi\,(7.5\,cm)^3=883.6875\,\, cm^3\\$

5 0

3 years ago

1.7w< 6.8

Alex777 [14]

1.7(2) = 3.4
1.7(3) = 4.7
So, either of those numbers can fit for W

7 0

2 years ago

The math teachers had a party over the weekend where they all had some of

Irina-Kira [14]

Answer:

7 1/3 bowls

Step-by-step explanation:

5 1/2 divided by 3/4=7 1/3

3 0

3 years ago

Read 2 more answers

What is the value of k in the function f(x)=112-kx if f(-3)=121

Allisa [31]

F(-3)=121=112-k(-3)

121=112+3k
minus 112 both sides
9=3k
divide by 3
k=3

8 0

3 years ago

Read 2 more answers