gonzalez113bi gonzalez113bi

04-06-2020
Mathematics

contestada

The second term of a geometric sequence is 17.5 and the third term is 122.5. What is the common ratio? What is the first term?

Respuesta :

Stephen46 Stephen46

09-06-2020

Step-by-step explanation:

U2=ar

U2=17.5

U3=ar^2

U3=122.5

U3/U2=122.5/17.5

ar^2/ar=7

r=7

17.5=ar

17.5=7a

a=2.5

Answer Link

Otras preguntas

How does cell volume affect nutrient exchange between the cell and its external environment.

Round 969.991 to the nearest whole number

What described step three of a muscle contraction

A student begins a proof of the law of cosines. His work is shown.(image below)The student made an error in ___. To correct this error, he should ___.After corr

Figure 1 is similar to figure 2. What is the height of figure 1?8 units1 unit2 units4 units

What is the length of DE? A A 12 DXE A. 6 B. 8 C. 5 D. 7

What is the equation of the quadratic function shown in the graph?

In which of the following ways did Christianity influence Constantine's laws and reforms? A. He mandated the humane treatment of slaves and prisoners. B.He made

Which lipoprotein is made inside the small intestinal cells and transports dietary fats through the circulatory system to the liver and other tissues?.

Which detail best describes this map? shows isolines and isobars shows types of precipitation was created for newspapers is probably not used to make forecasts