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Arte-miy333 [17]
2 years ago
6

At Jefferson Middle School, eighty-two students were asked which sports they plan to participate in for the coming year. Twenty

students plan to participate in track and cross country; six students in cross country and basketball; and eight students in track and basketball. Twelve students plan to participate in all three sports. A total of thirty students plan to participate in basketball, and a total of forty students plan to participate in cross country. Ten students don't plan to participate in any of the three sports. How many students plan to just participate in track? 40 60 20 30
Mathematics
2 answers:
olya-2409 [2.1K]2 years ago
7 0

Answer: C :20

Step-by-step explanation:

Lana71 [14]2 years ago
3 0
I believe it would be 20
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What is the surface area of the square pyramid? 30 m 18 m ות 36​
gayaneshka [121]

Answer:

the answer is 5100 im pretty sure.

Step-by-step explanation:

yes

4 0
2 years ago
Which of the following pairs of functions are inverses of each other?
Serggg [28]

Answer:

<em>The answer is (B).</em>

Step-by-step explanation:

A). y = f(x) = 6(x - 2) + 3 ⇔ y = 6x - 12 + 3 ⇔ 6x = y + 9 ⇔ x = \frac{y+9}{6}

g(x) = \frac{x+9}{6} is inverse function of f(x) and ≠ \frac{x+2}{6} - 3

<em>B).</em> y = f(x) = \frac{5x}{4} - 3 ⇔ 4y = 5x - 12 ⇔ x = \frac{4y+12}{5}  

g(x) = \frac{4(x + 3)}{5} is inverse of f(x)

6 0
3 years ago
I’m confused on this one
scoray [572]
The general form of slope-intercept form is y=mx+b

m stands for the slope
b stands for the y intercept

They are giving you m so you can replace m with -4/5 ⇒ y=-4/5x+b

Now you just need to find b. They also give you the point (0,-3). This means that when x is 0, y is equal to -3.

Lets go back to y=-4/5x+b and replace x with 0 and y with -3.
⇒ -3=(-4/5)(0) + b
⇒ -3= 0+b
⇒ -3=b 
⇒ b=-3

Now that you have m and b, you can find your final answer in the form y=mx+b
⇒ y=-4/5x + (-3)
⇒ y= -4/5x - 3


6 0
3 years ago
Help me with this one pls
bagirrra123 [75]

1/3y + 28 = -5

Subtract 28 from both sides:

1/3y = -33

Multiply both sides by 3:

y = -99

The answer is E) NOTA

6 0
2 years ago
Read 2 more answers
Triangle ABC is a right triangle.
Nastasia [14]

Answer:

mZA=50

mZB=28

mZC=90

value of x is 28 how i got it was 32-4.

5 0
2 years ago
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