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Naddika [18.5K]
2 years ago
13

Marcy makes 15 of 20 free throws at basketball practice. What is the probability that she will miss her free throw? Possible ans

wers are A. 1/2 B. 3/4 C.2/5. D. 1/4
Mathematics
2 answers:
arlik [135]2 years ago
3 0

Answer:

3/4

Step-by-step explanation:

15/20=3/4 if you divide both sides by 5

Vaselesa [24]2 years ago
3 0
It’s 3/4 because 15/20 simplifies to 3/4 if you divide by 5
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Question 4:
Brilliant_brown [7]

Answer:

a. Jacques will be 46.4m below the surface and his assistant will be 78.1m below the surface.

b. 10 minutes

c. 6 minutes

Step-by-step explanation:

Let the equation for Justin's motion be J(x)=-13.9-7.5x (where J(x) is his distance from the surface in metres and x is time in minutes), because he starts off 13.9m below the surface and descends 7.5m every minutes.

Let the equation for the assistant be a(x)=-97.3=+6.4x (where a(x) is his distance from the surface in metres and x is time in minutes), because he starts off 97.3m below the surface and ascends 6.4m every minutes.

a.

J(x)=-13.9-7.5x

J(3)=-13.9-7.5(3)=-13.9-22.5=-36.4

a(x)=-97.3=+6.4x

a(3)=-97.3+6.4(3)=-97.3+19.2=-78.1

b.

a(x)=-97.3=+6.4x

-33.3=-97.3=+6.4x

64=6.4x

x=10

c.

when divers are at the same depth, J(x)=a(x)

J(x)=a(x)

-13.9-7.5x=-97.3=+6.4x

83.4=13.9x

x=6

8 0
3 years ago
Can I have some help
TiliK225 [7]
What do you need help with

8 0
3 years ago
| Solve for X<br> 8x + 1 = 49
Doss [256]
8x + 1 = 49

8x = 48

x = 6
6 0
2 years ago
Marvin marked off the ground for a rectangular garden. The garden was to have an area represented by the polynomial expression 2
mafiozo [28]

Answer:  621

Step-by-step explanation: 28^2+ 13 − 176

length, width, and height.

8 0
2 years ago
What is the equation of this line?<br><br>A: y=-3/2x<br>B: y=2/3x<br>C: y=-2/3x <br>D: y=3/2x​
creativ13 [48]

Answer:

b) y = 2/3x

Step-by-step explanation:

Slope (m) formula: \frac{y_2-y_1}{x_2-x_1}

I will be using (3,2) and (-3,-2) to find the slope:

m=\frac{-2-2}{-3-3}\\m=\frac{-4}{-6} \\m = \frac{2}{3}

y = mx + b\\y = \frac{2}{3}x+b

(3,2)

y = \frac{2}{3}x+b\\\\2 = \frac{2}{3}(3)+b\\\\2 = 2+b\\-2  -2\\\\0=b

y=mx+b\\\\y = \frac{2}{3}x+0\\\\y = \frac{2}{3}x

Hope this helps!

8 0
2 years ago
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