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madreJ [45]
2 years ago
8

A solution of the equation 3x + y = 15?

Mathematics
1 answer:
Tamiku [17]2 years ago
8 0

Step-by-step explanation:

Since there is 2 unknown variable ,

so we need 2 equation to find their values.

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Calculate s26 for the arithmetic sequence in which a14=4.1 and the common difference is d=1.7
sweet-ann [11.9K]

Answer:

The value of s_{26}=84.5

Step-by-step explanation:

We have given  a_{14}=4.1

d=1.7

We have to find s_{26}

So, a_{14}=a+13d from the formula

a_n=a+(n-1)d

When n=14

a_{14}=a+(14-1)(1.7)=a+13(1.7)

4.1=a+22.1

-18=a

a=-18

Using the formula:

s_n=\frac{n}{2}[2a+(n-1)d

When n=26

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8 0
3 years ago
The sum of the quotient of a number and 3 and 8 is 16
rewona [7]

Answer:

The number is 24.

Step-by-step explanation

quotient means divide. 24/3=8. 8+8=16.

7 0
3 years ago
2z - 6 = 2(2 + 2) - 10
Blababa [14]

Answer:

z=2

Step-by-step explanation:

2z-6=2(2+2)-10  Distribute.

2z-6=4+4-10      Combine like terms.

2z-6=-2              Add 6 on both sides.

   <u>+6 +6</u>

2z=4                   Divide by 2 on both sides.

<u>/2 /2</u>

z=2

Hope this helps! Have a great day ^^

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3 years ago
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VladimirAG [237]

Answer:

The value of x would be 10. I hope this helped :)

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