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natima [27]
3 years ago
8

How many ways can a person toss a coin 13 times so that the number of tails is between 7 and 11 inclusive?

Mathematics
1 answer:
lilavasa [31]3 years ago
4 0
What are the choices?
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PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!! I NEED TO FINISH THESE QUESTIONS BEFORE MIDNIGHT TONIGHT.
Natali [406]

Yo sup??

To solve this question we have to apply trigonometric ratios

sin31=UT/TV

TV=UT/sin31

=7.76

=7.8

Hope this helps.

6 0
3 years ago
Rank these graphs on the basis of the angular acceleration of the object. Rank positive angular accelerations as larger than neg
insens350 [35]
The ratio of change in angular position to change in time is defined as the angular velocity. Thus, the slope of an angular position versus time graph gives the angular velocity of the <span>object being graphed.
The rank of the given graphs can be written as follow,positive graphs are listed first.
The line B is the line with the greater positive slope.
</span><span>The line B is the line with  positive slope but is less than the slope of line B.
</span><span>The lines A,t ,and F are the lines with the zero slope.
</span>The lines D and E are parallel to each other and have same negative slope.<span />
7 0
3 years ago
How to solve −3/4n≤3.
mars1129 [50]

Answer:

n ≥ -4

Step-by-step explanation:

-3/4n ≤ 3

-4/3(-3/4n) ≤ 3(-4/3)

n ≥ -12/3

n ≥ -4

CHECK:

correct

-3/4(-4) ≤ 3

12/4 ≤ 3

3 = 3

correct

-3/4(5) ≤ 3

-15/4 ≤ 3

-3.75 < 3

incorrect

-3/4(1) ≤ 3

-3/4 is not ≤ 3

6 0
3 years ago
The area of a triangle whose height is 1 more than 6 times it’s base is 13 square feet. If the base of the triangle is x feet wh
fredd [130]
Area of a triangle: A= 1/2(base)(hieght)

base=x
height= 6(base)+1= 6x+1

13= 1/2 × (x)(6x+1) 
(get rid of 1/2 by multiplying each side by 2)
26= (x)(6x+1)
26= (x × 6x)= 6x² (x × (+1))= x
26= 6x² + x
0= 6x²+x-26


Are either of those the answers? If not, list the options and I will be able to tell you which one is correct. Hope this helped!

5 0
3 years ago
Please Help With This!!
fomenos

Answer:

f=4

Step-by-step explanation:

-11f=7(1-2f)+5

-11 f=7-14f+5

14f-11f=12

3f=12

f=4

6 0
3 years ago
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