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3 years ago

The following exchange rate is given: £1=1.35 Dollars. Convert £9 into dollars

Mathematics

1 answer:

alexandr1967 [171]3 years ago

3 0

Answer:

$12.15

Step-by-step explanation:

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27 divided by 53 minus 6 plus 53 times -2 squared

mamaluj [8]

Answer:

$\left(\left(\frac{27}{53}\right)-6\right)+\left(53\left(-\left(2^2\right)\right)\right)=-\frac{11527}{53}\quad \left(\mathrm{Decimal:\quad }\:-217.49056\dots \right)$

Step-by-step explanation:

Considering the expression

27 divided by 53 minus 6 plus 53 times -2 squared

Which can be written as

$\left(\left(\frac{27}{53}\right)-6\right)+\left(53\cdot \left(-\left(2^2\right)\right)\right)$

So, solving the expression

$\left(\left(\frac{27}{53}\right)-6\right)+\left(53\cdot \left(-\left(2^2\right)\right)\right)$

$\mathrm{Remove\:parentheses}:\quad \left(a\right)=a$

$=\frac{27}{53}-6-53\cdot \:2^2$

$\mathrm{Convert\:element\:to\:fraction}:\quad \:6=\frac{6\cdot \:53}{53}$

$=-\frac{6\cdot \:53}{53}+\frac{27}{53}$

$\mathrm{Since\:the\:denominators\:are\:equal,\:combine\:the\:fractions}:\quad \frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}$

$=\frac{-6\cdot \:53+27}{53}$

$=\frac{-291}{53}$ ∵ $-6\cdot \:53+27=-291$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{-a}{b}=-\frac{a}{b}$

$=-2^2\cdot \:53-\frac{291}{53}$

$=-212-\frac{291}{53}$ ∵ $53\cdot \:2^2=212$

$\mathrm{Convert\:element\:to\:fraction}:\quad \:212=\frac{212\cdot \:53}{53}$

$=-\frac{212\cdot \:53}{53}-\frac{291}{53}$

$\mathrm{Since\:the\:denominators\:are\:equal,\:combine\:the\:fractions}:\quad \frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}$

$=\frac{-212\cdot \:53-291}{53}$

$=\frac{-11527}{53}$ ∵ $-212\cdot \:53-291=-11527$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{-a}{b}=-\frac{a}{b}$

$=-\frac{11527}{53}$

Therefore,

$\left(\left(\frac{27}{53}\right)-6\right)+\left(53\left(-\left(2^2\right)\right)\right)=-\frac{11527}{53}\quad \left(\mathrm{Decimal:\quad }\:-217.49056\dots \right)$

Keywords: algebraic expression

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8 0

4 years ago

................,..........

Pachacha [2.7K]

Answer:

Ok, acceleration is the rate of change of velocity.

So if the velocity of one object changes, this means that the object is accelerating.

Also, remember that velocity is a vector, this means that has a direction, then if for example the direction of motion changes slightly we have acceleration.

A) The correct option is D, all the choices given are correct. (by definition of acceleration)

If you have positive velocity, negative acceleration means that your velocity will decrease.

While if you have a negative velocity, negative acceleration will decrease your velocity, making it bigger in module, thus increasing your speed.

Then we can not say anything conclusive of what happens only knowing the sign of the acceleration.

Then the correct option is the trivial one "the object moves on a straight line". option D

C) Any unit that is the quotient between a distance unit and a squared time unit.

for example: m/s^2, km/s^2, etc.

Here the correct option is A.

"meters per squared second" is equal to m/s^2

D) If you steep inside the carrousel you will not move in a straight line, this means that while your speed is constant, it is changing direction constantly, then you are accelerating.

The correct option is D.

C) Both motorcycles A and B are changing their speeds, while motorcycle C is changing its direction, then the 3 are accelerating.

The correct option is D

E) Assuming that the velocity of the jeepney is positive, if the jeepney speeds up, then it must have positive acceleration, then the correct option is: B

4 0

3 years ago

Answer correctly and fast please.

VikaD [51]

The formula of a circle is A = pi * r^2

The diameter is 16cm, half of a diameter is the radius.

16/2 = 8

The radius is 8cm

pi (8)^2 or 3.14 (8)^2 = 200.96

Closest answer will be 201 (option C)

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3 years ago

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"x is an exponential random variable with mean equal to 100. what is the probability that x equals 90?"

Svetradugi [14.3K]

Since mean is 100 so Λ=1/100,

But since exponential distribution is continuous distribution so probability at a particular points

Is zero. That probability

That X is equal to 90 degree is 0.

4 0

4 years ago

Trigonometry Trigonometric Functions Given: Cos θ = (3/5), Find: Csc θ