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kkurt [141]
2 years ago
11

9) work out 6 - 3x-2--10​

Mathematics
1 answer:
Kaylis [27]2 years ago
3 0
3x+6 I believe because you can’t add a number with a variable to a number without one
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At the beginning of my bike ride I feel good, so I can travel 20 miles per hour. Later, I get tired and travel only 12 miles per
Vesnalui [34]

Answer: 3\dfrac{1}{4} hours

Step-by-step explanation:

Let x be the time ( in hours ) you feel good and y be the time ( in hours ) that you get tired.

As per given , we have

x+y= 8

Since : Distance = Speed\times Time

So , we have

20x+12y=122

According to the given question , we have the following system of equations ,

x+y= 8--------(1)\\\\20x+12y=122------------------(2)

Multiply 12 on both sides of equation (1) , we get

12x+12y=96------------(3)

Eliminate equation (3) from (2) , we get

8x=26\\\\\Rightarrow\ x=\dfrac{13}{4}=3\dfrac{1}{4}

Hence, you felt 3\dfrac{1}{4} hours good.

3 0
2 years ago
An arithmetic progression is a sequence of numbers in which the distance (or difference) between any two successive numbers if t
notsponge [240]

Answer:[m, m+d, m+2d, - - - - -, n]

Step-by-step explanation:

We know the formula for arithmetic progression is a_(n) = a_(1) + (n-1)d

Where a_(n) is the nth term of the sequence

a_(1) is the first term of the sequence

n is the number of the term like if we are talking about 7th term so the n is 7.

d is the difference between two successive terms.

For this problem we know our first term that is m, our last term that is n and our difference that is d.

For second term we will use the formula

a_(2) = m + (2-1)d

a_(2) = m + (1)d

a_(2) = m + d

Similarly,

a_(3) = m + (3-1)d

a_(3) = m + (2)d

a_(3) = m + 2d

3 0
3 years ago
Find the mean absolute deviation
satela [25.4K]

Answer: in statistics deviation is the difference between the value of one number in a series of numbers and the average value of all numbers in the series (  i hope this helped)

Step-by-step explanation:

3 0
2 years ago
Camille had $275 in her checking account . she deposited $812 and wrote checks $75, $60, and $48. how much did she have in the a
Elenna [48]
She would have $904. 275 + 812= 1087. 75 + 60 + 48= 183. 1087 - 183 = 904. Check the math to make sure, I did it in my head.
3 0
3 years ago
Can you please help me with the whole table
Bad White [126]
44,000
38,720
34,073.60
29,984.77
26,386.60
7 0
2 years ago
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