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iren [92.7K]
2 years ago
8

Find the common ratio r for the geometric sequence and use r to find the next three terms. Enter your answer to four decimal pla

ces if necessary.
100, −40, 16, −6.4, ...

Mathematics
1 answer:
kirza4 [7]2 years ago
7 0

Answer:

the common ration is -0.4. Three terms: 2.56,-1.024, and 0.4096
Step-by-step explanation:

You just keep on multypling the terms by -0.5 ,and you get.

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Two diameters of circle P are AB and CD. Find the measure of arc ACD and arc AC when arc AD has a measure of 20 degrees
steposvetlana [31]

Answer:

Hence measure of arc ACD and arc AC are 340 degrees and 160 degrees respectively.

Step-by-step explanation:

Given:

A Circle with p as center and AB and CD as 2 diameters for a circle.

To Find:

Measure of ACD, and arc AC when arc AD is 20 degrees.

Solution:

<em>As we know that , Diameter is biggest chord which passes through center of circle,</em>

<em>Hence it divides the circle into two equal parts and making center as midpoint of it</em> .

(Refer the attachment)

angle APD=20 degree or arc AD=20 degree.

So AB as diameter ,so  arc DB=160 degree  or BPD=160 degree as A-B-P are

and angle APD and BPC are vertical opposite angles so they are congruent BPC=20 degree

Now,

points A,C,B,D,A makes circle which measures 360 degrees.

to find ACD

measure of ACD=360-(meaure of arc AD or angle APD)

=360-20

=340 degree.

Now arc AC,

as AB is diameter with p as midpoint ,A-P-B

arc APB=180 and arc BC=20 or angle BPC=20 degrees.

For measure of arc AC= measure of arc APB- arc BC

arc AC=180-20 degrees.

arc AC=160 degrees.

5 0
3 years ago
In a certain town there were 235 robberies last year. This year the number of robberies has gone down 33%. How many robberies we
HACTEHA [7]

Answer:

157 is the answer

Step-by-step explanation:

If you go on google and type 235- 33% you get 157.45 and to the nearest whole number is 157 hope that helped.

6 0
3 years ago
A restaurant used 4 pounds of potatoes during a lunch rush. If they used 5/8 as much beef, how many pounds of beef did they used
nignag [31]
37/8 or 8 4/5                                        
                       hope this helped                                      
5 0
3 years ago
Read 2 more answers
What are a domain and range?
Nikolay [14]

Answer:

The domain and range of function is the set of all possible inputs and outputs of a function respectively.

The domain and range of a function y = f (x) is given as domain= {x ,x∈R }, range= {f (x), x∈Domain}.

The domain and range of any function can be found algebraically or graphically.

5 0
2 years ago
For cheerleading practice, Kiara must be able to lift her legs so that they are parallel to her outstrached arms. For each side
podryga [215]
If this is the dance position you are describing, then the arm and the leg of the dancer both make "right" angles (90º angles) to the floor.
5 0
3 years ago
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