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sergiy2304 [10]
2 years ago
12

Find the equation of the line with slope 1 and y-intercept (0,−1).

Mathematics
1 answer:
DedPeter [7]2 years ago
7 0

We will build the equation in the form of y = mx + b where 'm' is the slope and 'b' is the y-intercept.

We know the slope and we know the where the line intercepts the y-axis.

The answer:

y = 1x + -1

Because the coefficient of "1x" is just one we can simplify to the final answer:

y = x + -1

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dedylja [7]

We have

\left(\dfrac{2}{3}\right)^x=\dfrac{2^x}{3^x}

And we want

\dfrac{2^x}{3^x}=\dfrac{16}{81}=\dfrac{2^4}{3^4}

Another way to read it is

\dfrac{16}{81}=\left(\dfrac{2}{3}\right)^4=\left(\dfrac{2}{3}\right)^x

It should be clear that the solution is x=4

8 0
3 years ago
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I think the answer would be negative 3
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The product of two numbers is 30. One of the numbers is t. What expression represents the other number?
Alexandra [31]

t * x = 30

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3 years ago
(MARKING BRAINLIEST) Kareem cannot decide which of two washing machines to buy. The selling price of each is ​$390. The first is
Tems11 [23]

Answer:

See explanation

Step-by-step explanation:

The selling price is ​$495.

The first washing machine:

- is marked down by 30​%

$495 - 100%

$x - 100% - 30% = 70%

Find the value of x:

The second washing machine:

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$y - 100% - 20% = 80%

Find y:

Now,

$396 - 100%

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Find z:

Thus, the sale price of the first washing machine is $347 and the sale price of the second washing machine is $356. The second machine is more expensive.

5 0
2 years ago
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Please help I have tried over and over and can't get it​
nirvana33 [79]
1) -3
2) 6
3) 4
4) 2
5) 5
6) 5
7) 7
8) -3
9) 9
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Here are your answers may I please have the brainliest
5 0
2 years ago
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