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Cloud [144]
3 years ago
5

I need help answering this math question.

Mathematics
1 answer:
alexdok [17]3 years ago
5 0
The answer is C . you have to solve it like that

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Kristin won 44 lollipops playing basketball at her school's game night. Later, she gave two to each of her friends. She only has
Colt1911 [192]
21 friends.



44 - 2x = 2, where x is the number of friends Kristin has.

Subtract 2 on each side.

42 - 2x = 0

Add 2x on each side.

42 = 2x

Divide by 2 on each side.

42 / 2 = x

21 = x

Kristin has 21 friends.



Please consider marking this answer as Brainliest to help me advance.
6 0
2 years ago
in a marathon race (42.195 km), the winner’s time is 2 hours, 13 minutes, and 9 seconds, while the second-place time is 2 hours,
algol [13]

in a marathon race (42.195 km), the winner’s time is 2 hours, 13 minutes, and 9 seconds, while the second-place time is 2 hours, 26 minutes, and 6 seconds . The distance is 2.664 km.

D = distance of marathon = 42.195 km = 42195 m

tw = time taken by winner = 2 h 17 min = 2 (60) + 17 = 137 min = 137 (60) = 8220 sec

Vw = speed of winner

speed of winner is given as

Vw = D /tw = 42195/8220

ts = time taken by second place = 2 h 26 min 14 sec = 2 (60)(60) + (26)(60) + 14 = 8774 s

Vs = speed of second place

speed of second place is given as

Vs = D /ts = 42195/8774

distance of the second place holder from the finish line is given as

D' = Vs (ts - tw)

D' = (42195/8774 )(8774 - 8220)

D' = 2664.24 m

D'= 2.664 km

To learn more about distance  visit:brainly.com/question/15172156

#SPJ4

7 0
1 year ago
Solve the equation C=2πr for π
postnew [5]
C = 2πr   Divide both sides by 2r
\frac{C}{2r} = π   Switch the sides to make it easier to read
π = <span>\frac{C}{2r}</span>
7 0
3 years ago
Read 2 more answers
Find the equation of a parabola with a vertical axis and its vertex at the origin and passing through the point (-2, 3).
jonny [76]

Answer:

y=\frac{3}{4}x^2

Step-by-step explanation:

Hi there!

Because we're given the vertex of the parabola, we can determine its equation in vertex form:

y=a(x-h)^2+k where the vertex is (h,k)

Plug in the vertex (0,0)

y=a(x-0)^2+0\\y=a(x)^2\\y=a(x-0)^2+0\\y=ax^2

Now, we must solve for a. Plug in the given point (-2,3) and solve for a:

3=a(-2)^2\\3=4a\\\frac{3}{4} =a

Therefore, the value of a is \frac{3}{4}. Plug this back into y=ax^2:

y=\frac{3}{4}x^2

I hope this helps!

5 0
3 years ago
The volume of a cylinder that is 8 inches tall is 628.32 cubic inches. What would be the volume of a cone that fits perfectly in
avanturin [10]
Check the picture below

notice, if the "r" and "h" is the same for both, the cone's volume is just 1/3 of the cylinder's

4 0
3 years ago
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