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3 years ago

12

Mathematics

1 answer:

Murljashka [212]3 years ago

5 0

Answer:

75%

Step-by-step explanation:

When we multiply a number by 1.75.

Now, note that: $1.75=\dfrac{175}{100} =\dfrac{100}{100}+\dfrac{75}{100}=1+75\%$

Therefore, when we multiply a number by 1.75, it is the same as increasing by 75%.

Let us take an example say the number 15.

15 X 1.75 =26.25

If we increase 15 by 75%, we have:

15+(0.75X 15)=15+11.25=26.25

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If f'(x)=2/x and f(sqrt(e))=5, then f(e)=

docker41 [41]

$f'(x)=\dfrac2x$
$\implies f(x)=\displaystyle\frac2x\,\mathrm dx=2\ln|x|+C$

$f(\sqrt e)=5\implies 5=2\ln|\sqrt e|+C$
$\implies 5=\dfrac22\ln e+C$
$\implies C=4$
$\implies f(x)=2\ln|x|+4$
$\implies f(e)=2\ln|e|+4=6$

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3 years ago

Find sum of three consecutive even integers if the largest integer is Y

KATRIN_1 [288]

Answer:

3y -- 6

Step-by-step explanation:

if the largest number is y, then the other two integers would be (y -- 2) and (y -- 4).

Therefore the sum of the integers would be

y + (y -- 2) + (y -- 4) = 3y -- 6.

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2 years ago

Get 20 points, Plz help me with this question, and give the right answer cause it's important

Aliun [14]

Answer:

B, C, and D

Step-by-step explanation:

Just some simple maths, look at it like railroad tracks and act it out as such, with lines a and b being parallel. Angle 6 is 75, Angle 1 is 105

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2 years ago

Five more than 3 times a number

ipn [44]

Answer:

3x+5

Step-by-step explanation:

Let number =X

Five more than 3 times a number

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5 0

3 years ago

Read 2 more answers

What is the domain of the function y=in(x+2) x<-2 x>-2 x<2 x> x<-2 x>-2 x<2 x>2

aev [14]

For this case we must find the domain of the following function:

$y = ln (x + 2)$

By definition, the domain of a function is given by all the values for which the function is defined.

In this case, the argument of the expression must be greater than 0 to be defined.

$x + 2> 0\\x> -2$

Thus, the domain of the function is given by all the values of x greater than -2.

Answer:

Domain: $x> -2$

4 0

2 years ago