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3 years ago

5

Hwo do i put this sentence into mathematical way. "The difference of a number and eighty is equivalent to the sum of double the

number and twelve?"

1 answer:

UNO [17]3 years ago

7 0

I think it would be something like this: x-80 = (x*2)+12

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Write the equation of a line with a slope of 7 and a y-intercept of -3. Put the equation in slope-intercept form.

Rina8888 [55]

Answer:

y=7x-3

Step-by-step explanation:

y=mx+b

m is the slope, so replace m with 7

b is the t-intercept so replace b with the -3.

7 0

3 years ago

Can a 3 foot-by-9 foot rectangle be a scaled copy of a 3 foot-by-1 foot rectangle? Explain

Bumek [7]

No,because 9 feet is way bigger than 1 foot.

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3 years ago

If the terminal point of ø is (1,0), what is tan ø?

charle [14.2K]

Given:

The terminal point of $\phi$ is (1,0).

To find:

The value of $\tan\phi$ .

Solution:

If the terminal point of $\theta$ is (x,y), then

$\tan \theta=\dfrac{y}{x}$

It is given that the terminal point of $\phi$ is (1,0).

Here, x-coordinate is 1 and the y-coordinate is 0. Using the above formula, we get

$\tan \phi=\dfrac{0}{1}$

$\tan \phi=0$

Therefore, the value of $\tan \phi$ is 0.

4 0

2 years ago

To rent a boat, you pay for an initial fee plus. John rented a boat for 3 hours and paid $41. Jessica rented a boat for 6 hours

8090 [49]

Answer:

The intial fee is $5

The equation to represent this is: y=12x+5

12 is the cost per hour x=hours y=total cost

Step-by-step explanation:

77-41=36

36/3=12

12*6=72

77-72=5

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3 years ago

What is the inverse of the function f(x) = x +3?

harkovskaia [24]

Answer:

x=y+3

Step-by-step explanation:

you just swap variables.

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3 years ago