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Alex777 [14]
3 years ago
9

the length of a large Conference room is 6 feet more than its width.Find the length and the width of the room if its perimeter i

s 60 feet...
Mathematics
1 answer:
slamgirl [31]3 years ago
5 0
Multiple question answer?

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A quadrilateral that has two pairs of Parallel sides and all sides congruent is a:
sweet-ann [11.9K]

Step-by-step explanation:

(square)+(rhombus)..............

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3 years ago
Which of the following is not a possible answer to a probability question?
tatyana61 [14]

Answer:

which of the following is not a possible answer to a probability question 2 by 3 that is not a probability questions answer because always a probability will come in the probability of an event ok so 232 want to come

6 0
3 years ago
8. (-12v + 3) + (8v – 7)
Shkiper50 [21]

-4(v+1)

hope this works i looked it up and this is what i got

7 0
2 years ago
Read 2 more answers
100 points! Will mark brainliest! Only answer if u know it!
Svetlanka [38]

Step-by-step explanation:

Hey there!

The 1st equation is;

y= 1/2 x-8.............(i)

Comparing the equation y= mx+c. We get;

Slope (m1) = 1/2

The equation of point which moves through point (-3,-4).

(y-y1) = m2 (x-x1). {Use one-point formula to find out the equation}

(y+4) = m2 (x+3)..………(ii)

Now, we need to find m2.

So, the condition of perpendicular lines: m1*m2= -1.

\frac{1}{2}  \times m2 =  - 1

m2 =  - 2

Therefore, m2 = -2.

So, let's keep value of m2 in eqaution (ii).

y+4 = -2(X+3)

y+4 = -2x-6

y = -2x -10.

Therefore, the eqaution is y= -2x-10.

<em><u>Hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

4 0
2 years ago
Read 2 more answers
Find the area under the standard normal distribution curve for the following intervals. a. Between z = 0 and z = 2.0 b. To the r
vesna_86 [32]

Answer:

a) P(0

And we can use the following excel code to find the probability:

"=NORM.DIST(2,0,1,TRUE)-NORM.DIST(0,0,1,TRUE)"

P(0

b) P(Z>1.5) =1-P(Z

And we can use the following code and we got:

"=1-NORM.DIST(1.5,0,1,TRUE)"

P(Z>1.5) =1-P(Z

c) P(z

And we can use the following code and we got:

"=NORM.DIST(-1.75,0,1,TRUE)"

P(z

d) P(-2.78

And we can use the following excel code to find the probability:

"=NORM.DIST(1.66,0,1,TRUE)-NORM.DIST(-2.78,0,1,TRUE)"

P(-2.78

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Part a

We want this probability:

P(0

And we can use the following excel code to find the probability:

"=NORM.DIST(2,0,1,TRUE)-NORM.DIST(0,0,1,TRUE)"

P(0

Part b

For this case we want this probability:

P(Z>1.5)

And we can use the complement rule and we have:

P(Z>1.5) =1-P(Z

And we can use the following code and we got:

"=1-NORM.DIST(1.5,0,1,TRUE)"

P(Z>1.5) =1-P(Z

Part c

We want this probability:

P(z

And we can use the following code and we got:

"=NORM.DIST(-1.75,0,1,TRUE)"

P(z

Part d

We want this probability:

P(-2.78

And we can use the following excel code to find the probability:

"=NORM.DIST(1.66,0,1,TRUE)-NORM.DIST(-2.78,0,1,TRUE)"

P(-2.78

5 0
3 years ago
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