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Fittoniya [83]
3 years ago
8

What is 12 is 30% of

Mathematics
2 answers:
qwelly [4]3 years ago
8 0
3.6 is the answer to problems
Aliun [14]3 years ago
3 0

Answer:

Step-by-step explanation:

If this question is 12 is 30% of what number then you would solve it as such:

\frac{30}{100} = \frac{12}{x}

Note that you can rewrite any percent as the value that they give you over 100, and also since the question says that 12 IS 30% then 12 should be directly across 30% in the proportion itself (as shown above).

This gives:

30x = 1200

Dividing by 30 gives us that

x = 40

So 12 is 30% of 40.

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I need help I hope it uploaded the pic
jenyasd209 [6]
A number that's bigger than 4.3 is the answer :)
8 0
3 years ago
Please help don’t understand
Morgarella [4.7K]

Answer:

r = 4

Step-by-step explanation:

If we clearly observe a point and the slope of the line are given.

Point=(5, -6)   slope= -5

We know that the equation of the line having slope m and passing through point (x_{1} , y_{1})  is

y-y_{1}=m(x-x_{1})

Now the equation of the line is y-(-6)=(-5)*(x-5)

y+6=-5x+25

5x+y=19

Now given that (3,r) lies on this line

5*3+r=19

r = 4

6 0
3 years ago
find continued product of (x+y) (x-y) (<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}"
leonid [27]

Answer:

\large\boxed{(x+y)(x-y)(x^2+y^2)(x^4+y^4)=x^8-y^8}

Step-by-step explanation:

(x+y)(x-y)(x^2+y^2)(x^4+y^4)\\\\\text{use}\ (a-b)(a+b)=a^2-b^2\qquad(*)\\\\=\underbrace{(x+y)(x-y)}_{(*)}(x^2+y^2)(x^4+y^4)\\\\=\underbrace{(x^2-y^2)(x^2+y^2)}_{(*)}(x^4+y^4)\\\\=\left((x^2)^2-(y^2)^2\right)(x^4+y^4)\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\underbrace{(x^4-y^4)(x^4+y^4)}_{(*)}\\\\=\left(x^4\right)^2-\left(y^4\right)^2=x^8-y^8

7 0
3 years ago
What is the simplified form of the following expression? (3/5)3
ratelena [41]

Answer:

The simplified form of the expression (3/5)³  = 27/125

Step-by-step explanation:

The given expression is (3/5)³

3/5 is a proper fraction.

(3/5)³ can be written as,

(3/5)³ = 3³/5³

<u>To find  3³ and 5³</u>

3³ = 3*3*3 = 27

5³ =5*5*5 =125

<u>To find the simplified form of (3/5)³ </u>

(3/5)³  = 27/125

The simplified form of the expression (3/5)³  is 27/125

7 0
3 years ago
Answer along with how you got the answer <br> 3/8 + 1/8 + 2/8 = ?
zzz [600]

Answer:

6/8 simplified form 3/4

Step-by-step explanation:

Given: 3/8 + 1/8 + 2/8

Here we have to find the sum of the fractions.

All the fractions are like fractions.

So we can add the numerators and keep the denominator as it is. (We should not add the denominator)

Therefore,

3/8 + 1/8 + 2/8 = (3 + 1 + 2)/8

= 6/8

We can simplify this fraction by dividing both the numerator and the denominator by 2.

= 6/8

= 3/4

Hope this is will help you to understand the concept.

Thank you.

3 0
3 years ago
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