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KATRIN_1 [288]
3 years ago
14

3 (x+12) I'm not sure how to do this

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
4 0
Use the distribution property:

<span>3 (x+12) 
</span>Distribute the 3
(3)x+(3)*12
Simplify
3x+36
tangare [24]3 years ago
3 0
3*x+3*12 3x+36 You just need to do the multiplication separately !
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Could someone explain and help
vichka [17]

Answer:

  80°

Step-by-step explanation:

The sum of the two angles (red and blue) is 145°, so you have ...

  (4x +5)° +(6x -10)° = 145°

  10x = 150 . . . . . . . . divide by °, add 5, simplify

  x = 15 . . . . . . . . . . . divide by 10

Then the measure of the angle of interest is ...

  m∠XMN = (6x -10)° = (6·15 -10)° = 80°

8 0
3 years ago
6r-2(r+8)=11<br> Solve equation
pav-90 [236]

6r-2(r+8)=11\ \ \ \ |\text{use distributive property}\\\\6r-2(r)-2(8)=11\\\\6r-2r-16=11\ \ \ \ \ |+16\\\\4r=27\ \ \ \ \ |:4\\\\r=6.75

4 0
3 years ago
Rational numbers are _____ natural numbers. <br><br> A.always<br> B.sometimes<br> C.never
shepuryov [24]
Rational numbers are basically numbers which are in the form of p/q where p and q are not equal to 0
Therefore p can be both +ve and -ve
But Natural numbers start from 1 , ie they are always positive
Therefore the answer is
B. sometimes
6 0
3 years ago
Read 2 more answers
20 Points- Which of the following is true for f of x equals the quotient of the quantity x squared plus 9 and the quantity x min
tangare [24]

Answer:

There is a non-removable discontinuity at x = 3

Step-by-step explanation:

We are  given that

f(x)=\frac{x^2+9}{x-3}

We have to find true statement about given function.

\lim_{x\rightarrow 3}f(x)=\lim_{x\rightarrow 3}\frac{x^2+9}{x-3}

=\infty

It is not removable discontinuity.

x-3=0

x=3

The function f(x) is not define at x=3. Therefore, the function f(x) is continuous for all real numbers except x=3.

Therefore, x=3 is non- removable discontinuity of function f(x).

Hence, option B is correct.

5 0
3 years ago
Mackenzie picked 20 strawberries, 5 blueberries, and 15 raspberries. What was the ratio of the number of strawberries to the tot
Korvikt [17]

Answer:

20:40

Step-by-step explanation:

Because part of the ratio is the total number of berries, we need to add up all of the berries.

20+15+5=40

The number of strawberries picked is 20, so the ratio is 20:40

4 0
2 years ago
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