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Nataly_w [17]
3 years ago
14

There are 60 students in a classroom, 50% of the students are

Mathematics
1 answer:
vivado [14]3 years ago
6 0

Answer:

28

Step-by-step explanation:

If 50% of students are boys that means there are 30 boys and 30 girls. Then if   30% of boys are 10 and 60% of girls are 18. You add 18+10 and that gives you 28.

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Headshots question please help big points​
stiv31 [10]

Answer:

C

Step-by-step explanation:

Graph f = x^2.  Then the graph of g = (x + 3)^2 has the same shape, BUT its graph is that of f shifted 3 units to the LEFT.  C is correct

6 0
3 years ago
Help please...........
Snezhnost [94]

Answer:

66.42° for Y

23.58° for Z

90° for X

4 0
3 years ago
PQRS is a diameter of a circle of radius 6cm. the lengths PQ , QR , and RS are equal .Semicircles are drawn on PQ and QS as diam
velikii [3]
r=6
\\d=2r=12
\\PQ=QR=RS= \frac{d}{3} = \frac{12}{3} =4
\\
\\P= \frac{1}{2}\times 2r\pi+\frac{1}{2}\times 2\times QR\times\pi+\frac{1}{2}\times 2 \frac{PQ}{2} \pi
\\
\\P=r\pi+QR\times\pi+\frac{PQ}{2} \pi
\\
\\P=6\pi+4\pi+\frac{4}{2} \pi
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\\P=12\pi

4 0
3 years ago
1) A 1.5 kg apple pie is sitting on the kitchen counter . If it has 13.44 J of gravitational potential energy, how tall is the c
seropon [69]
So the equation you’ll use for both is
WP = mg • h
It’s delta height generally.

1.) .9 m = h

2.) 216 = WP

I would’ve sent a screenshot, but the app wouldn’t let me.
3 0
3 years ago
Write an equation parallel to y=3x−1 and goes through the point (-2, -13)
solong [7]

Answer:

y=3x-7

Step-by-step explanation:

we use the equation of the line:

y=mx+b

if the line is parallel, then the slope(m) of the line stays the same:

y=3x+b

we then substitute the ordered pair into the equation and solve for b:

-13 = 3(-2)+b

-13 = -6+b

-13+6 = b

-7 = b

now we substitute the b value into the original equation and the answer:

y=3x-7

Hope this helps :)

4 0
3 years ago
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