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NemiM [27]
3 years ago
15

what is the difference between multiplying fractions and adding/subtracting fractions? complete sentances please

Mathematics
1 answer:
ss7ja [257]3 years ago
7 0

Answer:

See Explanation!

Step-by-step explanation:

When multiplying fractions, you do not need a common denominator, and the entire fraction gets multiplied across, however when adding or subtracting fractions, you must have a common denominator, and then only compute the numerator, as the bases are already the same

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Please help me with only one question. 20 points
Ostrovityanka [42]

Answer:

141.3 cubic inches

Step-by-step explanation:

The volume of a cylinder is found using the volume formula V=\pi r^2h.

The radius is half the diameter 6 which is 3.

Substitute h=5 and r = 3.

V = \pi r^2h\\V = \pi (3^2)(5)\\V=\pi *9*5\\V = 45\pi \\V= 141.3

3 0
3 years ago
Need help on 6th grade edge really need help worth my grade also i have more questoins so pls help
Natalka [10]
A^2+24^2=25^2

a^2+576=625

a^2=49 *square root both sides*

a=7 so the answer would be option A
3 0
3 years ago
Select the graph for the solution of the open sentence. Click until the correct graph appears. |x| > 1
Lisa [10]

Answer:

See attachment

Step-by-step explanation:

The given inequality is |x|>1

By the definition of the absolute value function, we obtain the compound inequality.

-x>1\:or\:x>1

When we simplify we get:

x1

The graph for the solution set is shown in the attachment

7 0
3 years ago
Please help with the question!
MAVERICK [17]

Answer:

68.2275604137

Step-by-step explanation:

you can round down

I hope this helps

8 0
3 years ago
Which equation represents a population of 490 animals that decreases at an annual rate of 20% ?
gladu [14]

The equation which represents a population of 490 animals that decreases at an annual rate of 20% is;

P(x)=490(1+0.20)^{x}

<h3>What is exponential function?</h3>

When the input variable x appears as an exponent in the formula P(x)=a b^{x} the exponential function is indicated.

The exponential curve is influenced by both the exponential function and thus the value of x.

where, a = initial value.

b = 1 + r (rate of increase or decrease)

The animals' original population is indicated here by: 490

Thus, a = 490

Additionally, 20% is the rate of increase.

So, r = 20%

r = 0.20

As a result, the population function, or the number of animals in a population, is as follows:

P(x)=490(1+0.20)^{x}

To know more about the exponential function, here

brainly.com/question/12940982

#SPJ4

7 0
2 years ago
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