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IceJOKER [234]
3 years ago
11

A circle is shown. Secants D E and A E intersect at point E outside of the circle. Secant D E intersects the circle at point C a

nd secant A E intersects the circle at point B. The length of D C is 1, the length of C E is x + 4, the length of A B is 11, and the length of B E is x + 1. What is the value of x? 2 3 6 7
Mathematics
2 answers:
maksim [4K]3 years ago
6 0

Answer:

B: x=3

Step-by-step explanation:

Just did it on edg

valkas [14]3 years ago
4 0

Answer:

B. x=3

Step-by-step explanation:

Ans on edg :0

You might be interested in
Find the similarity ratio and the ratio of the perimeters of two regular octagons with areas of 18 in2 and 50 in2.
Brums [2.3K]
By definition we have that the area of a regular octagon is:
 A = 4.83L ^ 2
 Where, L is the length of the octagon side.
 the similarity ratio = the area ratio.
 We have then:
 similarity ratio = (50) / (18) = 25/9.
 the ratio of the perimeters
 A1 = 4.83L1 ^ 2
 L1 ^ 2 = A1 / 4.83
 L2 ^ 2 = A2 / 4.83
 L1 ^ 2 / L2 ^ 2 = A1 / A2 = 25/9
 L1 / L2 = 5/3
 The perimeter is:
 P1 = 8L1
 P2 = 8L2
 P1 / P2 = 8L1 / 8L2 = L1 / L2 = 5/3
 answer:
 similarity ratio:
 25: 9
 the ratio of the perimeters:
 5: 3
4 0
4 years ago
Read 2 more answers
Is it or not pls I need help
Alex73 [517]

Answer:

no it is not

Step-by-step explanation:

i drew the line bc in order for it to be a function there would have to be only one point in each line

hopefully this helps :)

have a nice day !!

5 0
3 years ago
The class average on a math test was an 82 with a standard deviation of 5. If the 
Alex787 [66]

Answer:

Option 3 and 4.

Step-by-step explanation:

The z score shows by how many standard deviations the raw score is above or below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean, \ \sigma=standard\ deviation

Given that mean (μ) = 82, standard deviation (σ) = 5

1) For x = 74:

z=\frac{x-\mu}{\sigma} \\\\z=\frac{74-82}{5} =-1.6

Option 1 is incorrect

2) For x < 87

z=\frac{x-\mu}{\sigma} \\\\z=\frac{87-82}{5} =1

From the normal distribution table, P(x < 87) = P(z < 1) = 0.8413 = 84.13%

Option 2 is incorrect

3) For x = 95:

z=\frac{x-\mu}{\sigma} \\\\z=\frac{95-82}{5} =2.6

Option 3 is correct

4) For x < 77

z=\frac{x-\mu}{\sigma} \\\\z=\frac{77-82}{5} =-1

From the normal distribution table, P(x < 77) = P(z < -1) = 0.16 = 16%

Option 4 is correct

5) For x > 92

z=\frac{x-\mu}{\sigma} \\\\z=\frac{92-82}{5} =2

From the normal distribution table, P(x > 92) = P(z > 2) = 1 - P(z < -2) = 1 - 0.9772 = 0.0228 = 2.28%

Option 5 is incorrect

8 0
3 years ago
Which equation is equivalent to -4(y-2)=12?
velikii [3]

Answer:

–4(y–2)=12

y–2=12/–4

y–2=–3

The choose (5)

8 0
3 years ago
There are exactly four positive integers n such that (n +7) is a factor of ( n +1) . Find the largest such n .
kipiarov [429]
\dfrac{n+1}{n+7}=\dfrac{n+7-6}{n+7}=1-\dfrac6{n+7}

n+7 will be a factor whenever the remainder term -\dfrac6{n+7} vanishes. But this will never happen for any integer n, so I suspect the question is inaccurately posed. Are there some characters missing?
4 0
4 years ago
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