isaiash puts a 10 gram weight on a pan balance. how many 1gram weights does he need to balance the scale?

Answers

Answer 1
Answer: He would need to put 10 cause 1 gram per weight to equal 10 you would need 10 1 gram weights.

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I need help with my algebra II!!

Answers

1st:
f(x) = x^2.
f(x +1):  Anywhere we see x we replace it with (x+1)

f(x+1) = (x+1)^2 , Expand
(x+1)^2 = (x+1)(x+1) = x^2 + 2x + 1=  C.

2nd:
Noting general equation, y = mx + c
m = slope,  c = vertical intercept.
From the graph, slope =  (2,0) and (0, -4)
=  (-4 -0) / (0 - 2) = -4/-2 = 2.
Vertical intercept, c = -4.
y = mx + c ,  y = 2x + (-4),    y = 2x - 4 =  D.

3rd:
f(x) = x^2 - x,  f(-4).  we would substitute x = -4.

f(-4) = (-4)^2 - (-4) = 16 + 4 = 20 = D.
Cheers.

2.3 divided by 1.4 please

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Answer:

1.64285714286

Step-by-step explanation:

or 2.0 (rounded)

20 BIG POINTS! Help me please!

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the reason why A is A is because none of the x (x,y) repeat and if they did repeat then lets say " (8,9) and then it went like ( 8,0) It not a function because 8 can only be 8,9" 
C is C because no numbers or points on the quadrilateral plot and so it is a function
B is B because there was only one point and because it was round you really can't add more points because its round and round things are just special so  
1.A because functions cannot have a repating input in the data set.2.C because each dot has its on line on the graph but the others have two dots on the same line indicating that they have the same x or input which can't happen in functions.3. C because a function rises from left to right.

What do points B and D represent on the box plot?

Answers

Answer:

see explanation

Step-by-step explanation:

B represents the lower quartile, that is 4

D represents the upper quartile, that is 15

What is the unite rate of 3.5 miles in 1.25 hours

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I think the answer is 2.8/1

River C is 300 Miles Longer than River D. If the sum of their lengths is 5,570 miles, what is the length of each river?

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x-\ length\ of\ river\ D\nx+300-\ length\ of\ river\ C\n\n5570=x+x+300\n5570=2x+300\ \ \ | subtract\ 300\n5270=2x\ \ \ | divide\ by\ 2\nx=2635\n\nRiver\ C\ is\ 2935miles\ long\ and\ river\ D\ 2635\ miles\ long.