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abruzzese [7]
3 years ago
14

What is the common difference d of the sequence?

Mathematics
2 answers:
yaroslaw [1]3 years ago
6 0
To find common difference, subtract first term from 2nd
-4 - (-15) = -4 + 15 = 11
tangare [24]3 years ago
3 0
Just  calculate  second term - first term =  -4 - (-15)
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B) What is the 4 times of the sum of 3and9? <br>​
Mashcka [7]

Answer:

108

Step-by-step explanation:

sum is a fancy word for add so 3+9=27 and 27*4=108

3 0
3 years ago
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What kind of shape is this ?
Stells [14]

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prism

Step-by-step explanation:

when all the sides are joined, it will reveal the shape to become a prism.

5 0
2 years ago
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480 = x+5y<br><br><br> Please tell me how to solve this....
Ksenya-84 [330]
You would first divide by 5y which equals 96, so x equals 96. Hope this helped! :)
 
 480=x+5y
 480/5y=x+5y/5y
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4 0
2 years ago
Which of the following is the solution to the system of equations?<br><br> y=2−xy=3x−1
creativ13 [48]

An equation is formed of two equal expressions. The solution of the system of equations is (0.75, 1.25).

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The solution to the system of equation is,

y = 2 - x

y = 3x - 1

Substitute the value of y,

y = y

2 - x = 3x - 1

2 + 1 = 3x + x

3 = 4x

x = 3/4 = 0.75

Substitute the value of x in any one of the equation,

y = 2 - x

y = 2 - 0.75

y = 1.25

Hence, the solution of the system of equations is (0.75, 1.25).

Learn more about Equation:

brainly.com/question/2263981

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6 0
2 years ago
Find the value of k
steposvetlana [31]

Answer:

k=3

Step-by-step explanation:

The general form of the line is y=mx+b. So, the value of the slope must be 12. In this case:

4k = 12\\\frac{4k}{4} =\frac{12}{4} \\k=3

6 0
2 years ago
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