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vovangra [49]
4 years ago
13

Helpppp,, ignore the 80 of answer i just write it

Mathematics
2 answers:
Andreyy894 years ago
6 0

Answer:

The combination of coins would be four quarters and three dimes

Step-by-step explanation:

BigorU [14]4 years ago
5 0

Answer:

10%

Step-by-step explanation:

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MATH PLEASE HELP 12pts!
Burka [1]
A. g(x) = 3x^2 + 6 

If you are stretching vertically, that is along the Y axis. The original +2 is the y-intercept, so you add 4 onto the equation where the y (vertical) will be placed. 
6 0
3 years ago
An object with a mass of 3.0 g raises the level of water in a graduated cylinder from 25.1 mL to 33.1 mL. What is the density of
evablogger [386]
The displaced volume of the water, because of the submersion of the object, is equal to the volume of the object.

So to find the volume of the object we calculate the difference in volume of water:
33.1-25.1 = 8 ml

Since 1 mL of water has the volume of  1cm^3, then the volume of the object is 8 cm^3.


The density of the object is found by the formula:

density= mass/volume= (3 g) / (8 cm^3) = 3/8 (g/cm^3)= 0.375 g/cm^3


Answer: 0.375 g/cm^3
7 0
4 years ago
Use a system of equations to solve the world problem. The sum of the two numbers is 24. Their difference is 14. Find the numbers
Bess [88]
24+x=14 
you can get it by subtracting 24 from 14 
therefor the answer issa
x=-10
7 0
4 years ago
Which are the roots of x^2-4x+4=20
Marysya12 [62]
X2+-4x+4=20 the final answer is 20!
3 0
4 years ago
Make a decision about the given claim. do not use any formal procedures and exact calculations. use only the rare event rule. ​c
AveGali [126]
You would expect that if a coin were fair the number of times heads appears would equal the number of times tails appears for a certain number of tosses. So for 20 tosses we would expect 10 and 10. However, this is a mathematical reality and not necessarily what we would see if we actually toss the coin 20 times. In fact this half and half situation becomes more and more the case if we flip the coin a large number of times (a very, very large number of times). 20 is not a very large number of times. If the coin lands heads up 11 of 20 times, it is most likely still fair and not really favoring heads. So the claim is false.

It is only in cases where we see a very high number of heads in comparison with tails (a large discrepancy between the two) that we might start to wonder if the coin is indeed fair.
7 0
4 years ago
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