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Anika [276]
3 years ago
13

Answer fast i have timer

Mathematics
1 answer:
uysha [10]3 years ago
4 0

Answer:

k is equal to 42

Step-by-step explanation:

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At Southside middle school 40%of student play an instrument.there are 305 student.how many students play an instrument
Nadusha1986 [10]
You simply use this operation:
- total students are 305, we need to find how many of thm play instrumenst if 40% does.
40% can be rewrited as 0,4 in decimal.
than we simply utilise a basic percentage operation which allows us to find A PART of somethin=>
305×0,4= students who instruments.
8 0
4 years ago
ANWER PLSSS <br> 2 1/2% of 13.7
Dominik [7]

Answer:

If you are multiplying both 2 1/2% * 13.7 the answer is = 0.3425

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Need help ASAP !!
aleksley [76]

The missing expression should be for Step 3 is [(25 + 3)/0.5] - 16.4 ÷ 4 and the missing expression should be for Step 6 is 56 - 4.1

<h3>Part A: Explain what the missing expression should be for Step 3</h3>

To do this, we make use of the expression in step 2

The expression in step 2 is

[(5^2 + 3)/0.5] - 16.4 ÷ 4

The next step at this stage is to evaluate the expression 5^2

So, we have:

[(25 + 3)/0.5] - 16.4 ÷ 4

Hence, the missing expression should be for Step 3 is [(25 + 3)/0.5] - 16.4 ÷ 4

<h3>Part B: Explain what the missing expression should be for Step 6.</h3>

To do this, we make use of the expression in step 5

The expression in step 5 is

56 - 16.4 ÷ 4

The next step at this stage is to evaluate the expression 16.4 ÷ 4

So, we have:

56 - 4.1

Hence, the missing expression should be for Step 6 is 56 - 4.1

Read more about expressions at:

brainly.com/question/723406

#SPJ1

4 0
1 year ago
E^y*cos x = 1 + sin(xy)
lys-0071 [83]
I assume you are studying implicit differentiation. Solving for dy/dx.
For the Left side use product rule. For Right side, use chain rule. Remember any time you take derivative of "y-term" you must multiply it by dy/dx.

---> \frac{dy}{dx} e^y cos (x) - e^y sin(x) = (y + x \frac{dy}{dx}) cos (xy)

Get dy/dx terms on one side:
\frac{dy}{dx} e^y cos (x) - \frac{dy}{dx} x cos(xy) = e^y sin(x) + y cos (xy)

Factor out dy/dx and solve:
\frac{dy}{dx} (e^y cos (x) -  x cos(xy)) = e^y sin(x) + y cos (xy)   \\.......\\ \frac{dy}{dx} = \frac{e^y sin(x) + y cos (xy) }{e^y cos (x) -  x cos(xy)}
8 0
3 years ago
20 POINTS!!! I WILL GIVE YOU BRAINLIEST!!! 1 QUESTION.
myrzilka [38]
We can’t see the image:(
6 0
3 years ago
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