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Sidana [21]
3 years ago
11

[Brainliest Answer] A ball's position, in meters, as it travels every second is represented by the position function s(t)=4.9t^2

+450.
What is the velocity of the ball after 5 seconds?
Include units in your answer.
Mathematics
1 answer:
Vikentia [17]3 years ago
7 0
Should be right
2200
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6. What number can be added to -4 to get a sum of 0?<br> a) -4<br> b) 0<br> c) %<br> d) 4
Alika [10]

-4 + x = 0

Add 4 to both sides:

x = 4

The answer is d) 4

6 0
2 years ago
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plz help whats the answer to this question !!! calculate the mass of a gold bar that is 18.00cm long, 9.21cm wide, and 4.45cm hi
erik [133]

We have to find the mass of the gold bar.

We have gold bar in the shape of a rectangular prism.

The length, width, and the height of the gold bar is 18.00 centimeters, 9.21 centimeters, and 4.45 centimeters respectively.

First of all we will find the volume of the gold bar which is given by the volume of rectangular prism:

Volume of the gold bar = length \times width\times height

Plugging the values in the equation we get,

Volume of the gold bar =18.00 \times 9.21 \times 4.45= 737.721cm^3

Now that we have the volume we can find the mass by using the formula,

Mass= density \times volume

The density of the gold is 19.32 grams per cubic centimeter. Plugging in the values of density and volume we get:

Mass = 19.32\times 737.721=14252.769 grams

So, the mass of the gold bar is 14252.769 grams

7 0
3 years ago
Arthur makes $216 each week writing a column for a newspaper. He recently wrote his first book and earns $7 for each copy sold.
yuradex [85]
216+7c=517; 43 copies .... of he made 216 a week from the newspaper and and made 7 dollars per copy sold of his book it should be 216+7c=517 then you subtract 216 from both sides of the equation so 7c=301 then divide 301 by 7 = 43
6 0
3 years ago
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The slope of line XY is 1/8, and XY ⊥ AB
Ahat [919]
\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}}&#10;{\stackrel{slope}{\cfrac{1}{8}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{8}{1}}\qquad \stackrel{negative~reciprocal}{-\cfrac{8}{1}}\implies -8}
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3 years ago
MR. ARCEO TAKES A TAXI FROM THE AIRPORT TO A HOTEL. THE TAXI CHARGES $2.50 INITIAL CHARGE PLUS $2.65 PER MILE. WHICH EQUATION CA
enyata [817]
2.65x + 2.50 = y

step by step explanation:

2.65 is how much for each mile, and the variable, x, represents the number of miles of the trip. so, we would do 2.65x to find out how much money you have to pay for the amounts of mile.

next, you would have to add the initial fee, which is 2.50. so 2.65x+2.50.

lastly, y represents the total cost of the trip. so, 2.65x + 2.50 = y
7 0
2 years ago
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