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1 year ago

Sam painted 3 pictures.ellie painted twice as many pictures as Sam how many pictures did they paint altogether

Mathematics

2 answers:

EastWind [94]1 year ago

4 0

Oh this is easy, so you multiply 3 x 2 = 6, then add 6 + 2 = 8, and the answer is 8.

zepelin [54]1 year ago

3 0

Sam painted 3
ellie painted 2x3, so she painted 6
6+3=9
together they painted 9 pictures

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When plucked, the high E string on a guitar has a frequency of 330 cycles per second. What sine function represents this note wh

Ber [7]

Let's analyse the function

$y = f(x) = A\sin(\omega x)$

The amplitude is A, so we want A=1.5

Now, we start at x=0, and we have $1.5\sin(0)=0$

After one second, i.e. x=1, we want this sine function to make 330 cycles, i.e. the argument must be $330\cdot 2\pi$

So, we have

$f(1)=1.5\sin(\omega) = 1.5\sin(660\pi)$

so, the function is

$f(x) = 1.5\sin(660\pi x)$

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2 years ago

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HELP!!<br> What is the equation of the circle shown in the graph?

ale4655 [162]

9514 1404 393

Answer:

(x +6)^2 +(y -4)^2 = 36

Step-by-step explanation:

The center is (-6, 4) and the radius is 6. Putting those into the standard form equation, you have ...

(x -h)^2 +(y -k)^2 = r^2 . . . . . . center (h, k), radius r

(x -(-6))^2 +(y -4)^2 = 6^2 . . . . numbers filled in

(x +6)^2 +(y -4)^2 = 36 . . . . . . cleaned up a bit

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1 year ago

Sales tax on an item is directly proportional to the cost of the item purchased. If the tax on a $600 item is $42, what is the s

Dafna11 [192]

Answer: $65.10

Step-by-step work:

1.Set the ratio
$\frac{600}{42} = \frac{930}{x}$
2.Cross-multiply
$600x = 930(42)$
$600x = 39060$
3.Divide to single out x
$600x \div 600 = 39060 \div 600$
$x = 65.10$

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2 years ago

In? gambling, the chances of winning are often written in terms of odds rather than probabilities. The odds of winning is the ra

erma4kov [3.2K]

Answer:

A) The probability that the event will occur $=\frac{1}{7}$

B)The probability that the event will not occur = $\frac{6}{7}$

Step-by-step explanation:

We are given that The odds of event occurring are 1:6.

So, Number of successful events = 1

Number of unsuccessful events = 6

So, Total events = 6+1=7

a)the probability that the event will occur= $\frac{\text{Favorable event}}{\text{Total event}}$

The probability that the event will occur $=\frac{1}{7}$

b)The probability that the event will not occur = $\frac{\text{Favorable event}}{\text{Total event}}$

The probability that the event will not occur = $\frac{6}{7}$

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1 year ago

in september 2016, the cost of gasoline in Berlin was around 1.25 euros per liter. what would the equivalent cost be in u.s. dol

AnnZ [28]

Answer:

roughly 1.50

Step-by-step explanation:

1 euro was 1.08 usd in 2016. common sense it's around 1.50

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2 years ago

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