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Llana [10]
3 years ago
11

If a 4 pound roast takes 150 minutes to cook, how long should a 5 pound roast take ?

Mathematics
2 answers:
sweet [91]3 years ago
4 0
187.5 minutes to cook
Burka [1]3 years ago
4 0
Hey there!

To figure this out, find the time it would take for 1 lb by dividing 150 by 4.
150 / 4 = 37.5

It takes 37 and a half minutes to cook 1 lb.

Now, multiply that by 5, to find out how many 5 lb would be.

37.5 * 5 = 187.5

It takes 187 and a half minutes to cook.

Hope this helps!

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Which expressions are equivalent to 0.5*m*n*4<br> 2(m+n)<br> 0.5m + 4n<br> None of the above
Mnenie [13.5K]
0.5*m*n*4=0.5*4*m*n = 2*m*n = 2mn

2(m+n) = 2m + 2n ≠ 2mn

0.5m + 4n ≠ 2mn

The answer is None of the above
8 0
3 years ago
Use the equation 2,401 = 76 – 2x. What power of 7 is 2,401?
zaharov [31]
Comment
I'm going to take a guess at this and say what you meant is  2401 = 7^(6 - 2x)

Step One
Find out the power of 7 that will equal 2401. 
You could do it like this.
7^y = 2401 and just guess at some values.

y      7^y
1      7
2      49
3      7 * 7 * 7 = 343
4      7 * 7 * 7 * 7 = 2401  So the answer is 4

7^4 = 2401

Step 2 
Equate the powers.
2401 = 7^(6 - 2x)
7^4 = 7^ (6 - 2x)
4 = 6 - 2x  Subtract 6 from both sides.
4 - 6 = - 2x 
-2 = - 2x divide by - 2
-2/-2 = x
x = 1 <<<<<<<<<<<<<answer

7 0
4 years ago
Read 2 more answers
Find the maximum value or minimum value for the function f(x) = 0.15(x + 1)² - 3.
il63 [147K]

Answer:

The minimum value for  f(x) = 0.15(x + 1)^2 - 3 is -3.

Step-by-step explanation:

Given function is f(x) = 0.15(x + 1)^2 - 3

We need to find the maximum value or the minimum value for the function.

Now, differentiate f(x) = 0.15(x + 1)^2 - 3  w.r.t x.

f'(x) =\frac{d}{dx}(0.15(x + 1)^2 - 3)\\f'(x)=\frac{d}{dx}(0.15(x+1)^2-\frac{d}{dx}(3)\\

f'(x)=2\times 0.15(x+1)\frac{d}{dx}(x+1)-0\\f'(x)=0.3(x+1)(1)\\f'(x)=0.3(x+1)

Now, we will equate f'(x)=0 to find critical point.

0.3(x+1)=0\\x=-1

Plug this critical point in to the function f(x) = 0.15(x + 1)^2 - 3  we get,

f(-1) = 0.15(-1 + 1)^2 - 3\\f(-1)=-3

Also, f''(x)=0.3 which is positive, We have minimum value.

So, the minimum value for  f(x) = 0.15(x + 1)^2 - 3 is -3.

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3 years ago
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Bogdan [553]

In 4 or more complete sentences, describe the process of protein synthesis and explain how transcription and translation creates protein.

8 0
4 years ago
To convert 70 minutes to seconds, you would use the ratio a. true b. false
Angelina_Jolie [31]
True, you would use the ratio of minutes to seconds.
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3 years ago
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