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r-ruslan [8.4K]
3 years ago
6

Help help help help!!!!!

Mathematics
1 answer:
Dovator [93]3 years ago
6 0

Answer:

9 1/3

Step-by-step explanation:

As you may know, when you divide a positive number by a negative number, the quotient (result of the division) is negative.

Knowing this, all you have to do is divide the numbers normally as positive numbers and then add a negative sign at the end.

To divide fractions, you change the sign to multiplication and multiply the first number by the reciprocal of the second number.

The reciprocal is just the "flipped" version of a fraction.

For example, the reciprocal of 3/4 would be 4/3.

In this problem, you can't reduce.

So, just multiply the top numbers and do the same with the bottom numbers.

That would be \frac{35*4}{5*3}.

35*4=140 and 5*3=15.

The fraction would be 140/15

You can divide 140 by 15, which would be 9 and 1/3

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3 years ago
What is the inverse of the function f(x) = 2x – 10?
posledela

Hey there!!

f(x) is basically ' y '

In order to inverse a equation, we will need to switch the values of x and y

The equation :

y = 2x - 10

Now switching the positions :

x = 2y - 10

x + 10 = 2y

y = \frac{x+10}{2}

y = \frac{x}{2} + 5

This is the inverse.

Hope my answer helps!


6 0
3 years ago
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The radius of a circle is 4 kilometers. What is the circumference?
zaharov [31]

Answer:

25.12 kilometers

Step-by-step explanation:

c = 2\pi \: r

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4w-3(-5z+2w)-2z
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Which solid has a greater volume
Triss [41]

Answer:

The volume of cylinder and the volume of a cone, have equal volume measurements. So, the answer is C).

Step-by-step explanation:

Cylinder:

-Use the formula for the volume of a cylinder. Use both the radius and height for the formula in order to solve and get the volume:

V = \pi r^2 h

V = \pi 2^2 6

-Solve:

V = \pi 2^2 6

V = \pi \times 2^2 \times 6

V = \pi \times 4 \times 6

V = \pi \times 24

V = 24\pi \approx 75.39

--------------------------------------------------------------------------------------------------------

Cone:

-Use the formula for the volume of a cone and the radius and height for the formula and solve the formula to get the volume:

V = \frac{1}{3} \pi r^2h

V = \frac{1}{3} \pi 3^28

-Solve:

V = \frac{1}{3} \pi 3^28

V = \frac{1}{3} \times \pi \times 3^2 \times 8

V = \frac{1}{3} \times \pi \times 9 \times 8

V = \frac{1}{3} \times \pi \times 72

V = \frac{1}{3} \pi \times 72

V = 24\pi \approx 75.39

-So, according to the volume of a cylinder and the volume of a cone, They both have the same volume.

Cylinder: 75.39 ft^3

Cone: 75.39 ft^3

5 0
3 years ago
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