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andrew-mc [135]
2 years ago
10

Which of the following choices is the common difference between the terms of this arithmetic sequence?

Mathematics
1 answer:
Taya2010 [7]2 years ago
8 0
D = 5x - 3y <=ANSWER 

<span>8x + 4y - (3x + 7y) = 5x - 3y </span>
<span>13x + y - (8x + 4y) = 5x - 3y </span>
<span>18x - 2y - (13x + y) = 5x - 3y </span>
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Evaluate the expression 4/15÷x+0.4 for x if: x=1, x=4/9, x=1 1/3. Solve for each X. I need help Will give brainliest!
Vadim26 [7]
X=1 -> 2/3
X=4/9 -> 1
X=1 1/3 -> 3/5
8 0
3 years ago
Seperate the number 53 into 3 parts so that the second number is 3 less than the first number and the third number is twice the
irga5000 [103]
Hello,

Let a the first, b the second and c the third.
a+b+c=53
b=a/3
c=2a
==>a+a/3+2a=53
==>10a/3=53
==>a=15.9
c=2*a=2*15.9=31.8
b=a/3=15.9/3=5.3

Proof: a+b+c=15.9+5.3+31.8=53

The second number is 5.3
7 0
3 years ago
Use function notation to represent the average speed of the car on the interval from t = 2 to t = 7 .
Afina-wow [57]

Answer:

Average\ Speed = \frac{s(7) - s(2)}{5}

Step-by-step explanation:

Given

t = 2 to 7

Required

Find the average speed over these intervals

The function is not given; so, I'll represent the function as s(t)

When t = 2;

s(t)= s(2)

When t = 7

s(t) = s(7)

Average\ Speed = \frac{Change\ in\ Distance}{Change\ in\ Time}

This gives:

Average\ Speed = \frac{s(7) - s(2)}{7 - 2}

Average\ Speed = \frac{s(7) - s(2)}{5}

5 0
3 years ago
9 x 10 *9 or 3 x 10 *-4
Mademuasel [1]
The first one is 810

The second is -120
6 0
3 years ago
For each ordered pair, determine whether it is a solution to 2x - 5y=11.
Sidana [21]

Answer:

(3, -1)

Step-by-step explanation:

5 0
3 years ago
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