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ratelena [41]
3 years ago
13

Find the sum of the arithmetic sequence. -10, -7, -4, -1, 2, 5, 8

Mathematics
1 answer:
Lesechka [4]3 years ago
7 0

Answer:

+3 every time or the total?

Or is it 18? U specify which

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What is the measure of ADC in quadrilateral ABCD?<br><br> 45°<br> 65°<br> 115°<br> 135°
ruslelena [56]

Answer:

115

Step-by-step explanation:

its the only that makes sense

8 0
3 years ago
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Which could be the first step in simplifying this expression? Check all that apply. (x^3x^-6)^2
allsm [11]
If the expression is what I understand it is, this is my answer. (x to the third times x to the negative sixth all squared)

First, i would simplify what is inside the parentheses. x^-6 is the equivalent to
1/x^6. Therefore, the expression inside the parentheses is a fraction: x^3/x^6.

When dividing numbers with exponents, just subtract the exponents. 
3-6= -3     so the simplification of the expression in the parentheses is 1/x^3.

To finish the problem, I would apply the square from outside the parentheses to the values inside them. In this way, the exponent would be multiplied by 2.

Our final answer is 1/x^6.
3 0
3 years ago
What is x, y, and z?
Taya2010 [7]

Answer:

variables

Step-by-step explanation:

Are you asking for an answer like this?

8 0
3 years ago
The Earth is approximately 8.0 × 103 miles in diameter, from pole to pole. What number is the distance equivalent to?
Vera_Pavlovna [14]

Answer:

The diameter of earth  from pole to pole  is equal to 8000 miles.

Step-by-step explanation:

The number to which the distance is equivalent is

8 * 10^3\\8 * 1000\\= 8000

Thus, the diameter of earth  from pole to pole  is equal to 8000 miles.

6 0
3 years ago
You have $50 in your savings account and plan to deposit $10 each week. Your friend has $25 in her savings account and plans to
Mariulka [41]

Answer: 50+10x

Answer: 25+10x

Answer: No. 50+10x=25+10x. In simplified form, it is 0 =25 which is undefined (no solution).

7 0
2 years ago
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