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almond37 [142]
3 years ago
12

All of the following are ways to write 25 percent of N EXCEPT 0.25N 25N/100 1/4N 25N

Mathematics
2 answers:
Alla [95]3 years ago
7 0
25N does not equal 25%
I hope I helped!!
Olin [163]3 years ago
5 0
The last one would be incorrect. We are looking for PART of whatever N is. Multiply by the whole number 25 is definitely not what we want to do. 

Hope I helped!
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Two sides of a triangle are 8 m and 9 m in length and the angle between them is increasing at a rate of 0.06 rad/s. Find the rat
Lelechka [254]
<h2>Rate at which area is increasing is 1.08 m²/s.</h2>

Step-by-step explanation:

Area of triangle is with side a and b and angle C between them is given by

                             A = 0.5 ab SinC

Here we need to find how area changes with  a and b fixed and C is changing,

                       \frac{dA}{dt}=\frac{d}{dt}\left (0.5 absinC\right )\\\\\frac{dA}{dt}=0.5ab\frac{d}{dt}\left (sinC\right )\\\\\frac{dA}{dt}=0.5abcosC\frac{dC}{dt}

We have

                 a = 8 m

                 b = 9 m

                 C=\frac{\pi}{3}rad\\\\\frac{dC}{dt}=0.06rad/s

Substituting

                 \frac{dA}{dt}=0.5\times 8\times 9\times cos\left ( \frac{\pi}{3}\right )\times 0.06\\\\\frac{dA}{dt}=1.08m^2/s

Rate at which area is increasing is 1.08 m²/s.

4 0
3 years ago
Find the slope of the points 2,8 and 12,55
Ber [7]

Answer:

m = 4.7

Step-by-step explanation:

If you plug in these values in the slope formula, this is what happens:)

7 0
2 years ago
Read 2 more answers
Solve equation for cucumbers being 2.00 per package and tomatoes being 1.50 per package. if 135 dollars was spent on 80 packages
Romashka [77]
There were 30 packages of cucumber and 50 packages of tomatoes.

Work)
2x+1.5y=135
x+y=80
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2 years ago
Describe what a vaccine is made of and how it helps prevent infection.
12345 [234]

Answer:

Vaccines are made of mixtures that contain either parts of pathogens or whole pathogens that prepare the body's defenses to fight against the pathogens.

hope it helps.

<h2>stay safe healthy and happy...</h2>
6 0
3 years ago
Plz help me I rlly need it!
Maurinko [17]
1. 9 is the mode
2. 17.7 is the mean
3. 25.5 is the median
4. mean > median
5. 28 is the range
7 0
2 years ago
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