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marysya [2.9K]
3 years ago
14

Your throw your ball into a air from height of 4.2

Mathematics
1 answer:
melamori03 [73]3 years ago
3 0
4.2m
10N/kg
Hjdsdgjbcsryhbvzshkk
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Given functions f(x)=3x^2, g(x)= x^2-4x+5, and h(x)=-2x^2+4x+1<br> Rank them from least to greatest
Sindrei [870]
Ok, ranked by axis of symmetry

basically x=something is the axis of symmetry
the way to find the axis of symmetry is to convert to vertex form and find h and that's the axis of symmetry

but there's an easier way

for f(x)=ax^2+bx+c
the axis of symmetry is x=-b/2a
nice hack my teacher taught me


so

f(x)=3x^2+0x+0
axis of symmetry is -0/(3*2), so x=0 is the axis of symmetry for f(x)

g(x)=1x^2-4x+5,
axis of symmetry is -(-4)/(2*1)=4/2=2, x=2 is axis of symmetry for g(x)


h(x)=-2x^2+4x+1
axis of symmetry is -4/(2*-2)=-4/-4=1, x=1 is the axis of symmetry for h(x)


0<1<2
axisies
f(x)<h(x)<g(x)

order based on their axises of symmetry is f(x), h(x), g(x)
8 0
3 years ago
Kenny's weight is 6/7 times melvin's weight. what is the ratio of melvin's weight to the total weight of the two boys?
dangina [55]
Answer=7:13

Kenny's Weight*6/7=Melvin's Weight

So, for example, if Melvin's weigh was 7...

Kenny's Weight*6/7=7
divide both sides by 6/7
Kenny Weight=6

So we can say that Melvin's weight to Kenny's weight is 7:6

The boys total weights would be...
7+6=13


So Melvin's weight over the total weight of the two boys is:

7:13
4 0
3 years ago
Read 2 more answers
please help :( please help :( please help :( please help :( please help :( please help :( please help :( ​
bixtya [17]

Answer:

1. 3*8*10=240

2.6*6*12=432

Step-by-step explanation:

Hope that helps

Use l*w*h

4 0
3 years ago
Angie’s Bake Shop makes birthday chocolate chip cookies that cost $2 each. Angie expects that 13% of the cookies will crack and
Stella [2.4K]

I think it is $287....................

6 0
2 years ago
HELP IVE BEEN STUCK ON THIS FOREVER
jeyben [28]

Step-by-step explanation:

the figure I've circled is similar to yhe figure shown because when we compare the measurements of the length and breadth of both rectangles, we can see that both the rectangles have the see me measurements, 3ft and 7ft. The only difference however, is that the figures have been rotated differently, the figure shown is kept vertically, on the other hand, the figure I've circled is rotated horizontally.

hope that helps...

5 0
2 years ago
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