4 years ago

Write the arithmetic series using summation notation. 7.5+13.5+19.5+25.5+31.5+37.5

1 answer:

6 0

Answer:

135

Step-by-step explanation:

its easier to take out the decimal first then add the rest then add the decimals together then add the two numbers to get the final answer

You might be interested in

Oliga [24]

Equation is:
(q + 1 ) / 16= 4

For q:
Multiply 4*16
q + 1 = 64
Subtract 1
64-1=63
q = 63

7 0

4 years ago

Tpy6a [65]

Answer:

-13 or 13

Step-by-step explanation:

Since we are looking for the square root of 169, we realize that 13 multiplied by itself equals 169. Negative 13 does the same, so it is the answer.

3 0

3 years ago

USPshnik [31]

There is no solution since the lines are parallel. (See attached graph)

<h2><u><em>Hope this helps!</em></u></h2>

6 0

3 years ago

vaieri [72.5K]

2x9=18
24-18=6
she has 6 inch pieces of ribbon long]

8 0

4 years ago

CaHeK987 [17]

Answer:

AC = 55°

Step-by-step explanation:

In this geometry, arcs AC and BD have the same measure. The sum of the parts of arc CD will total the measure of CD.

AC + AB + BD = CD

2AC +80 = 170

AC = 110/2 = 55

The measure of arc AC is 55°.

5 0

3 years ago