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Ierofanga [76]
4 years ago
9

The difference of a number m + 30 is 10

Mathematics
2 answers:
shtirl [24]4 years ago
8 0
The answer is 10 + 30 = 40
Genrish500 [490]4 years ago
7 0
10 + 30= 40 would be the amswer
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Helpppp<br> khan academy
larisa [96]

Answer:CA, BC, BA

Step-by-step explanation:

7 0
3 years ago
What is the answer for this MATH PROBLEM???<br>please explain how you got the answer, thank you
erma4kov [3.2K]
The answer is e, 3 3/4

if you add 3/4+3/4+3/4+3/4+3/4 (five times for the five batches), or did 3/4 * 5, you would get 15/4, which simplifies to 3.75, or 3 3/4
7 0
3 years ago
What is the inverse of the function f(x) = 2x + 1?
BaLLatris [955]

Answer:

f^{-1} = \frac{x-1}{2}

Step-by-step explanation:

f(x) = 2x+1

<em>Replace it with y</em>

y = 2x+1

<em>Exchange the values of  x and y</em>

x = 2y+1

<em>Solve for y</em>

x = 2y+1

<em>Subtracting 1 from both sides</em>

2y = x-1

<em>Dividing both sides by 2</em>

y = \frac{x-1}{2}

<em>Replace it by </em>f^{-1}

So,

f^{-1} = \frac{x-1}{2}

3 0
4 years ago
Read 2 more answers
Could anyone help with this, thanks !!
pogonyaev

Answer:

Step-by-step explanation:

5 0
3 years ago
How do i do this???????
Fittoniya [83]

Answer:

2y-4-6y-12=4

-4y=20

y= -5

Step-by-step explanation:

because (y+2)(y-2)=y^2-4

so we have the step to let the every part have the same denominator y^2-4

2(y-2)/(y+2)(y-2)  -6(y+2)/(y-2)(y+2)=4/(y-2)(y+2)

the denominators are the same so the equality .we just need the part over be the same 2y-4-6y-12=4

y= -5

3 0
3 years ago
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