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Pavel [41]
3 years ago
10

I need help anyone will do I need help quick

Mathematics
2 answers:
sveta [45]3 years ago
3 0
8 and 0

Hopefully this helps you
dsp733 years ago
3 0
Next to the 7 is 8, and put 0 in the other box.
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Which distribution has the greatest spread?
puteri [66]

Answer:

Distribution 4, mean is 20 and standard deviation is 3.2

Step-by-step explanation:

The standard deviation tells us on average how far each of our data values is from the mean.  A standard deviation that is larger than the others will mean a distribution that is more spread out than the others; 3.2 is the largest standard deviation, so Distribution 4 has the greatest spread.

7 0
3 years ago
Read 2 more answers
4
Mazyrski [523]

Answer:

the answer is 15/4

Step-by-step explanation:

all you have to do is take the independent variable and put the sign in between.

6 0
3 years ago
X + 4y = 18 3x − y = 2 given x + 4y = 18 12x − 4y = 8 x + 4y + 8 = 18 + 8 x + 4y + (12x − 4y) = 18 + 8 13x = 26 justification st
goldenfox [79]
Spacing needs to be more clear instead of having a giant paragraph. you do not write math in giant paragraphs do you
5 0
3 years ago
Please help me, i'm trying to graduate!!!
Svet_ta [14]
If you use this equation then you say that the ground is h=0 and solve as a quadratic.
The quadratic formula is (-b±<span>√(b^2-4ac))/2a when an equation is in the form ax^2 + bx + c
So the equation you have been given would be -16t^2-15t-151 = 0
This equation has no real roots which leads me to believe it is incorrect.
This is probably where your difficulty is coming from, it's a mistake.

The equation is formed from S=ut+(1/2)at^2+(So) where (So) is the initial height and S is the height that you want to find.
In this case you want S = 0.
If the initial height is +151 and the initial velocity and acceleration are downwards (negative) and the initial velocity (u) is -15 and the initial acceleration is -32 then you get the equation S=-15t-16t^2+151

Solving this using the quadratic formula gives you t = 2.64 or t = -3.58
Obviously -3.58s can't be the answer so you're left with 2.64 seconds.

Hope this makes sense.
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3 0
3 years ago
Read 2 more answers
The first group collected 238 cans. The second group collected 345 cans. How many cans did the two groups collect?​
True [87]

Answer:

The two groups collected 573.

Step-by-step explanation:

238

+345

=

573

8 0
3 years ago
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