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erma4kov [3.2K]
3 years ago
14

Please show workits due sooni really need answers

Mathematics
1 answer:
Debora [2.8K]3 years ago
5 0

Answer:

8

Step-by-step explanation:

from 5 to 20 its mutiplied by 4 and from 6 to 24 it mutiplied by 4, and last 10 ×4 is 40

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A photographer that is 3 inches wide by 5 inches long is being enlarged so that it is 12 inches long. How wide will the enlarged
lianna [129]

12/5 = 2.4 times larger

3 x 2.4 = 7.2 inches wide

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3 years ago
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Which expression is the result of factoring the expression below by taking out its greatest common
Andreas93 [3]

Answer:

4(3x^2 + 2)

Step-by-step explanation:

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Find the common difference: 29, 21, 13, 5, ...<br> Find
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3 years ago
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Please Help!!!!! Ill give thanks and rate best!
Norma-Jean [14]

Answer:

1/216

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Did you only need the answer for the one on the top right?? Or all of them because If you need all of them I can do that too I am just assuming you just needed that one because it was selected.

4 0
3 years ago
Mark dropped an object from a bridge 400 feet above the ground level with an initial velocity of 0. He knows that the gravitatio
lisabon 2012 [21]

Answer:

The first listed equation is the correct equation to solve

The correct answer is: t = 5 seconds

Step-by-step explanation:

Let me mention first that there is an error in the statement that the gravitational pull of the Earth is 16 ft/s^2. It is in fact 32 ft/s^2, and the actual equation uses half of the acceleration multiplied by the square of the variable time, so it gives as final expression :

y(t)=-16\,t^2+ 0 \,t +400

and we want to find the value/s for "t" that make this equation equal zero (when it reaches the ground and the object just touches the ground. This makes the equation we want to solve:

0=-16\,t^2+ 0 \,t +400\\16\,t^2+0\,t -400=0

which solving for "t" becomes:

16\,t^2-400 =0\\16\,t^2=400\\t^2=\frac{400}{16} \\t^2=25\\t= +/- 5\,\,sec

So we adopt the positive answer (positive time) since the negative value has no physical meaning for this problem.

That is: t = 5 seconds

6 0
3 years ago
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