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3 years ago

Hi hehehe what is the answer??(-1)to the power of three+2(-)-3

Mathematics

1 answer:

balu736 [363]3 years ago

6 0

The answer is 4(I just used Siri) tell me if I’m right!

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The convex polygon below has 8 sides. Find the value of x ?

bulgar [2K]

The missing interior angle, x, of the convex polygon is 168⁰.

<h3>Sum of interior angles of convex polygon</h3>

The sum of interior angles of a convex polygon is calculated as follows;

S = (n - 2) 180

S = (8 - 2) 180

S = (6) 180

S = 1080

The missing interior angle, x, is calculated as follows;

x + 126 + 146 + 130 + 140 + 146 + 134 + 90 = 1080

x + 912 = 1080

x = 1080 - 912

x = 168⁰

Learn more about interior angles of polygon here: brainly.com/question/24966296

5 0

2 years ago

Graph the solution for the following linear inequality system. Click on the graph until the final result is displayed.

-Dominant- [34]

Answer:

y ≥ 0 Pic 1

y < x pic 2

x + y < 6 pic 3

8 0

3 years ago

Read 2 more answers

PLEASE HELP ME! I gotta get this done before the 1st!!!

Hunter-Best [27]

Answer:

A)6x-18, B)They are not equal, since 6xx18 is not equal to 6x-9

Step-by-step explanation:

2(3x-9) = 2(3x)-2(9) =6x-18.

6 0

2 years ago

Read 2 more answers

A. For every 6 hours she works, her earrings go up by $1.

grandymaker [24]

Answer:

the answer is c

Step-by-step explanation:

as it shows on the graph every hour the earrings increase by 6$

6 0

2 years ago

Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well

laiz [17]

Answer:

The value is $P(A) = 0.133617$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 7.5$

The standard deviation is $\sigma = 0.2$

The safest water level is between 7.2 and 7.8

Generally the probability that the selected pool has a pH level that is not considered safe is mathematically represented as

$P(A) = 1 - P(7.2 \le X \le 7.8 )$

Here

$P(7.2 < X < 7.8 ) = P(\frac{ 7.2 - \mu }{\sigma } < \frac{X - \mu }{ \sigma }$

Generally $\frac{X - \mu }{ \sigma } = Z (The \ standardized \ value \ of X )$

$P(7.2 < X < 7.8 ) = P(\frac{ 7.2 - 7.5 }{0.2 } < Z$

$P(7.2 < X < 7.8 ) = P(-1.5 < Z$

=> $P(7.2 < X < 7.8 ) = P(Z < 1.5) - P( Z < - 1.5)$

From the z-table the probability of (Z < -1.5) and ( Z <1.5) are

$P(Z < 1.5) = 0.93319$

and

$P(Z < -1.5) = 0.066807$

$P(7.2 < X < 7.8 ) =0.93319 - 0.066807$

$P(7.2 < X < 7.8 ) =0.0866383$

$P(A) = 1 - 0.0866383$

=> $P(A) = 0.133617$

5 0

2 years ago