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shutvik [7]
3 years ago
13

Help me pretty please <3 (brainliest)

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0

Answer:

The value is 0.025

Step-by-step explanation:

We get the z-score that is equal to the given value

Mathematically we have this as:

z-score = (x-mean)/SD

x = 93

mean =79

SD = 7

So we have the z-score as;

z-score = (93-79)/7 = 14/7 = 2

So we want to calculate the probability equal to the calculated z-score value of 2

Using the standard normal distribution table, we have this value as;

1 - 0.975= 0.025

You might be interested in
7) If AB = 3x - 8 and BC = x + 12, find the value of x.​
Finger [1]

Answer:

Step-by-step explanation:

The question is incomplete. Here is the complete question.

In a square ABCD, if AB = (3x-8) and BC = (x+12), find the value of x. Also, find the length of each side of the square.

Note that all sides of a square are equal. Hence AB = BC for the square ABCD.

Given AB = (3x-8) and BC = (x+12), then AB = BC

3x-8 = x+12

collect like terms;

3x-x = 12+8

2x = 20

x = 20/2

x = 10

Substitute x = 10 into any of the side. Using side AB

AB = 3x-8

AB = 3(10)-8

AB = 30-8

AB = 22

BC = x+12

BC = 10+12

BC = 22

<em>Hence x = 10 and the length of each side is 22</em>

4 0
4 years ago
A circular pool has a radius of 20 feet. What is the area of the pool? Use 3.14 for π.
GrogVix [38]
The answer i think is 50
3 0
4 years ago
Rachel buys a meter of fabric, but only uses 20 cm, How much fabric does she have left over
xeze [42]

Answer:

80

Step-by-step explanation:

there are 100 centimeters in 1 meter

5 0
3 years ago
Can someone please answer this question please help
daser333 [38]

Here we are looking for the percentage of beads out of the total that Paco received that were orange.

The total number of beads Paco received is equal to orange + the different color. 45 + 5 = 50 total beads

Then, we'll need to create a fraction for the number of orange beads Paco received over the total number of beads. 45 / 50

Lastly, we can use our calculator to find a decimal number for the proportion of orange beads. 0.90

Multiply 0.90 by 100 to get the percentage. 90% orange beads

Hope this helps!! :)

3 0
3 years ago
Read 2 more answers
A girl walks 5000 m in one hour if the girl walks at the same speed for four hours how many Kilometers will she have walked
astraxan [27]
She will have walked 20 kilometers
5 0
4 years ago
Read 2 more answers
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