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GarryVolchara [31]
3 years ago
10

The question is in the screenshot

Mathematics
1 answer:
zmey [24]3 years ago
3 0
Correct probability : 3/7

To find the correct probability, Noura needs to count ALL of the times she tossed the coin. To find that we just add 15 + 20, which equals 35.

Then to calculate the probability she will get heads is out the number of heads landed over the amount of times the coin was flipped.

15/35

We then simplify this fraction by dividing the top and bottom both by 5.

This leaves us with the answer of 3/7.
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Whats the difference of squares
stepan [7]
An example of the difference of squares would be: a^2-b^2 = (a+b)(a-b)
6 0
3 years ago
2. Derek is an HVAC technician. He worked 30 hours and made $600. How much per hour does Derek make?
Cloud [144]

Answer:

$20.00

Step-by-step explanation:

600 ÷ 30 = 20

5 0
3 years ago
A person is walking at a rate of 9 feet every 4 seconds.(b) Given the rate in (a), how far would this
Crank

Answer:

2.25 feet

31.5 feet

Step-by-step explanation:

Given that the person travels 9 feet every 4 seconds, it means that in one second, the distance walked

= 9/4

= 2.25 feet

If the person walks 2.25 feet in a second then in 14 seconds, the distance walked

= 2.25*14/1

= 31.5 feet

8 0
3 years ago
The midpoint of segment XY is (6, -3). The coordinates of one endpoint are X(-1, 8). Find the coordinates of endpoint Y.
Snezhnost [94]

Answer:

The answer to your question is:    Y = (13, -14)

Step-by-step explanation:

Data

midpoint = mp = (6, -3)

one endpoint = X = (-1, 8)

second endpoint = Y = (x, y)

Formula

Xmp = (x1 + x2) / 2

Ymp = (y1 + y2) / 2

Process

                    x2 = 2xmp - x1

                    y2 = 2ymp - y1

                   x2 = 2(6) - (-1)                     y2 = 2(-3) - 8

                   x2 = 12 + 1                          y2 = -6 - 8

                   x2 = 13                               y2 = - 14

                   Y = (13, -14)

       

                   

4 0
4 years ago
What is the degree of 5x^3+3x^2-4x+1?<br> A.) 3<br> B.) 4<br> C.) 5<br> D.) 6
Aleks [24]
When you say degree, do you mean answer if so, there is no solution to this equation.
7 0
3 years ago
Read 2 more answers
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