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eimsori [14]
3 years ago
12

Whats the value of x ?

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0
I'm not sure but I think is 30
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Find the two Z-scores that separate the middle 73.72% on the Standard Normal Curve.
leonid [27]

Answer:

+1.12 and -1.12

Step-by-step explanation:

Let the two z scores be -z_1and+z_1.

Since  the two Z-scores that separate the middle 73.72% on the Standard Normal Curve, this can be represented by the equation:

P(-z_1

From the z table of the normal distribution, z₁ = 1.12. That is a z score of 1.12 gives 0.8686.

The two z scores are +1.12 and -1.12 = ± 1.12

4 0
3 years ago
in the given image AB and CD are parallel with the transversal DB Which of the following angles are congruent to DBA select the
Dovator [93]

Answer:

∠EDC and ∠FDB    

Step-by-step explanation:

I just took test

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6 0
3 years ago
Help me solve this please, solve for x. <br> 3^7x = 81^x+9
Naddik [55]
Use order of operations. 

7 0
3 years ago
Can somebody help me out with this Algebra 2 work? If you could that'd be really appreciated!! Good luck!
larisa [96]

Answer:

8 OR -8 OR Both

Step-by-step explanation:

-2 x 4 = -8

-8 x -8 x -8 = -64

Square root = 8 OR -8

1 to the 9th power = 1

-8 / 1 = -8

8/1 = 8

Hope that helps!

6 0
3 years ago
Geometry circles question
CaHeK987 [17]
Answer: 14 

----------------------------------------------

Explanation:

Using the intersecting chord theorem, we can say,

AP*PB = CP*PD
(x+2)*6 = 7*x
6x+12 = 7x
6x+12-6x = 7x-6x
12 = x
x = 12

If x = 12, then,
AP = x+2
AP = 12+2
AP = 14
3 0
3 years ago
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