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2 years ago

Please help its easy

Mathematics

2 answers:

Ainat [17]2 years ago

8 0

Answer:

$\frac{3}{4}$

Step-by-step explanation:

$\frac{12 - 3}{12}$

$\frac{9}{3}$

cross out the common factor.

$\frac{3}{4}$

nasty-shy [4]2 years ago

7 0

Answer:

9/12 (or 3/4)

Step-by-step explanation:

If you subtract the number of brownies that Brittany's brother will eat, you will have 9 remaining brownies. So, that means 9 out of the original 12 brownies will be left, or 9/12. Also, you can simplify the fraction. Both 9 and 12 can be divided by 3.

9/12 divided by 3/3 equals 3/4. 3/4 is the fraction in it's simplest form.

So, 9/12 (or 3/4) of the brownies are left.

I hope this helps! Have a lovely day!! :)

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22x^3 y^4+28x^2 y^5+34xy^4

Leya [2.2K]

Answer:

2xy4 • (11x2 + 14xy + 17)

Step-by-step explanation:

(((22•(x3))•(y4))+((28•(x2))•(y5)))+(2•17xy4)

(((22•(x3))•(y4))+((22•7x2)•y5))+(2•17xy4)

(((2•11x3) • y4) + (22•7x2y5)) + (2•17xy4)

5.1 Pull out like factors :

22x3y4 + 28x2y5 + 34xy4 = 2xy4 • (11x2 + 14xy + 17)

Trying to factor a multi variable polynomial :

5.2 Factoring 11x2 + 14xy + 17

Final result :

2xy4 • (11x2 + 14xy + 17)

7 0

2 years ago

18 is 0.75% of what number?

LUCKY_DIMON [66]

0.135 is your answer pretty sure.

4 0

2 years ago

I really need help with the last one if you could help it would be awesome! Tysm.

gladu [14]

it’s the second one..................

5 0

2 years ago

Will give brainliest to correct answer.

ryzh [129]

We can solve this problem by seeing at which part both of the parts of the graphs of the function are discontinued. Both of the parts of the graph of the function are discontinued at -2, so we will have to find a function that has a value that is undefined for x = -2. We can do this using the denominator of the fraction that's in each of the functions. The function where x = -2 will cause it to be undefined is the third one, so the answer to this question is C., f (x) = $\frac{1}{x+2}$ +5.

4 0

3 years ago

How do I solve these equations

Sever21 [200]

You need to know the properties of each function.
Tan is opposite (y) over adjacent (x). Sin>0 means that sin is positive, therefore, it is located on either quadrant 1 or 2. Tan=4/3 so it is located in quadrant 1.
The side of the triangle must be Adjacent=3 opposite=4 and hypotenuse=5
Now, you are asked to find the half angle of Cos which is
$\sqrt{\frac{1+cos}{2} }$
By following the formula, cos=3/5 then:
$\sqrt{ \frac{1- \frac{3}{5} }{2} }$ Multiply everything (inside the square $\sqrt{ \frac{5+3}{10} }$ root) by 5
$\frac{2 \sqrt{2} }{ \sqrt{10} }$
$\frac{2 \sqrt{20} }{10}$ Then just simplify
$\frac{ \sqrt{20} }{5}$ The answer is Square root of 20 over 5

3 0

2 years ago