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stepan [7]
3 years ago
6

5/6(1/2(12)+6)-3(12)

Mathematics
2 answers:
natali 33 [55]3 years ago
8 0

the answer is -26 hopefully this helps

zimovet [89]3 years ago
3 0

Answer:

-26

Step-by-step explanation:

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Find the interval in which f(x)=sinx−cosx is increasing or decreasing?
alisha [4.7K]

Answer:

There is no short answer.

Step-by-step explanation:

To find to intervals which f(x) increases or decreases, we first need to find it's derivative.

f(x) = sinx - cosx\\f'(x) = cosx - (-sinx) = cosx + sinx

The function is increasing when it's value is  > 0 and decreasing when it's value is < 0.

If we take a look at this graph, cosx+sinx is positive when they are both positive or when cosx is greater then sinx on the negative part.

I hope this answer helps.

3 0
3 years ago
Robert gets a loan from his bank.
Goryan [66]

Answer:

£10,200

Step-by-step explanation:

Simple interest = principal × rate × time

Principal = £6000

Rate = 7% = 0.07

Time = 10 years

Simple interest = principal × rate × time

= £6000 × 0.07 × 10

= £4,200

Total = simple interest + principal

= £4,200 + £6,000

= £10,200

He would have to pay back a total of £10,200 in 10 years

5 0
3 years ago
I don't understand this can someone help plz!!! Thanks!!!
kodGreya [7K]

Answer:

mode = 3

range = 6

Step-by-step explanation:

mode = most

range = greatest number - least number

5 0
3 years ago
Using the quadratic formula, solve 0 = 2x² - 10x + 7<br> Give each of your answers to 2 d.p.
xenn [34]

Answer:

\sf \: x =  \frac{5}{2}  +   \frac{ ± 1}{2} \sqrt{11}

Step-by-step explanation:

Let's solve your equation step-by-step.

0=2x²−10x+7

Step 1: Subtract 2x^2-10x+7 from both sides.

0−(2x²−10x+7)=2x²−10x+7−(2x²−10x+7)

−2x²+10x−7=0

For this equation: a=-2, b=10, c=-7

−2x²+10x+−7=0

Step 2: Use quadratic formula with a=-2, b=10, c=-7.

\sf \: x =  \frac{ - b ± \sqrt{ {b}^{2}  -  4ac }  }{2a}

\sf \: x =  \frac{ - (10)± \sqrt{ {10}^{2} - 4( - 2)( - 7) } }{2( - 2)}

\sf \: x =  \frac{ - 10 ± \sqrt{44}  }{ - 4}

\sf \: x =  \frac{5}{2}  +   \frac{ ± 1}{2} \sqrt{11}

5 0
1 year ago
What’s the value of y ?
Galina-37 [17]

hey! the value of y is 57

6 0
3 years ago
Read 2 more answers
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