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3 years ago

What is 2/9 + 4/9 in simplesst form

Mathematics

1 answer:

Viefleur [7K]3 years ago

8 0

Answer:

2/3

Step-by-step explanation:

since the two fractions have the same denominator, you can add the numerators together to get the answer. 2/9+4/9=6/9. since 6 and 9 are both divisible by 3, you divide both numbers by 3, making the answer 2/3.

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Tom fed his chickens with grains on Sun. The chickens ate a 1/4 of what was given to them that day. On Mon, the chickens ate a 1

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1/2

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3 years ago

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Find the volume of the oblique cylinder. Round your answer to the nearest tenth.

Sliva [168]

Answer:

The Volume of an Oblique Cylinder:

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4 years ago

What is an inverse statement

shusha [124]

Answer:

1 | noun | a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc

2 | noun | a fact or assertion offered as evidence that something is true

3 | noun | (music) the presentation of a musical theme

4 | noun | a nonverbal message

5 | noun | the act of affirming or asserting or stating something

6 | noun | (computer science) a line of code written as part of a computer program

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(7 meanings)

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4 years ago

I don’t understand this.. <br> will someone please help? Will mark Brainliest along with 20 points.

inn [45]

To say two quantities $a$ and $b$ "vary directly" with one another means that a change in one of the quantities results in a proportional change in the other quantity. For example, if $a=2b$ , then $b$ is proportional to $a$ by a factor of 2, or $a$ is proportional to $b$ by a factor of 1/2. In other words, if you change $b$ by some fixed amount, then $a$ changes by double that amount.

Mathematically this means there is some constant scaling factor $k$ such that $a=kb$ . In question 4, we're told $f(x)$ varies directly with $x^2$ , which means there's some $k$ such that

$f(x)=kx^2$

We're given that $f(x)=40$ when $x=2$ , so

$40=k\cdot2^2\implies40=4k\implies k=10$

Then when $x=5$ , we get

$f(5)=10\cdot5^2=10\cdot25=250$

- - -

For $a,b$ to "vary inversely" with one another means that a change in one quantity results in an "opposite" change in the other. In other words, if $a$ increases, then $b$ decreases, and vice versa.

Mathematically, this is the same as saying there is some fixed number $k$ such that $ab=k$ .

For example, if $k=1$ and we start with $a=1$ , then $b=1$ also. If we change to $a=2$ , then $b=\dfrac12$ ; if $a=10$ , then $b=\dfrac1{10}$ , and so on.