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svet-max [94.6K]
2 years ago
9

Is this correct if not then can u please help me

Mathematics
2 answers:
den301095 [7]2 years ago
8 0

Answer:

It seems that you are correct sire :)

Mark brainliest pls :)

o-na [289]2 years ago
3 0

Answer:

Yup you got it right!

Step-by-step explanation:

Simplify the following:

5 (m + 2) + 9 (n + 4)

5 (m + 2) = 5 m + 10:

10 + 5 m + 9 (n + 4)

9 (n + 4) = 9 n + 36:

10 + 5 m + 36 + 9 n

Grouping like terms, 10 + 5 m + 36 + 9 n = 9 n + 5 m + (10 + 36):

9 n + 5 m + (10 + 36)

| 3 | 6

+ | 1 | 0

| 4 | 6:

Answer: 9 n + 5 m + 46

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What is the answer and how do you solve <br><br><br> 21x^3/3x^−1
Sunny_sXe [5.5K]

Answer:

  as written: 7x^2

  perhaps intended: 7x^4

Step-by-step explanation:

As written, the Order of Operations specifies that the only denominator factor is 3, so the expression is interpreted as ...

  \dfrac{21x^3}{3}x^{-1}=\dfrac{21}{3}x^{3-1}=7x^2

___

Sometimes grouping of denominator factors is intended, but parentheses are not written as they should be. If the intention is ...

  21x^3/(3x^-1)

then the simplification is ...

  \dfrac{21x^3}{3x^{-1}}=\dfrac{21}{3}x^{3-(-1)}=7x^4

_____

The applicable rules of exponents are ...

  (a^b)(a^c) = a^(b+c)

  a^b/a^c = a^(b-c)

6 0
3 years ago
Find the center and the radius of the circle defined by the equation x^2-8x+y+12y+36=0
choli [55]
Hello,
center is (4,-6)
radius=4
since
x^2-8x+y^2+12y+36=0\\&#10;&#10;x^2-2*4x+16-16+y^2+2*6y+36=0\\&#10;&#10;(x-4)^2+(y+6)^2=4^2&#10;&#10;


3 0
3 years ago
How to simplify 4/10 what's the answer?
Pani-rosa [81]
4/10 is 2/5 or 0.4 in decimal form.
3 0
3 years ago
What is the greatest remainder possible when dividing by six?
avanturin [10]
Well the remainder more possible dividing by six would be 9.3 I hope i helped.
7 0
3 years ago
The numerator and the denominator of a fraction are thirteen and fifty, respectively. When a certain number is added to this num
Talja [164]
(13 + x)/(50 - x ) = (2/1)
Cross Multiply
2(50-x) = 1(13 + x)
100 - 2x = 13 + x
add 2x to both sides
100 -2x + 2x = 13 + x + 2x
100 = 13 + 3x
Subtract 13 from both sides
100 - 13 = 13 - 13 + 3x
87 = 3x
divide both sides by 3
29 = x

(13 + 29)/(50-29) = 42/21 = 2 to 1 ratio
7 0
3 years ago
Read 2 more answers
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