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aniked [119]
3 years ago
15

Need answer ASAP *MARKING BRAINLIEST

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
6 0

Answer:

y = -2x + 1

Step-by-step explanation:

To find slope, you need to use the formula:

m = \frac{y_{2}- y_{1}  }{x_{2} -x_{1} }

<u><em>Plug in the numbers accordingly:</em></u>

m = \frac{-3-3  = -6}{2 +1 =  3}

m = \frac{-6}{3}

<u><em>Simplify:</em></u>

m = -2

<u><em>To find the y-intercept, you need to plug in one of the coordinates (doesn't matter which one) into the equation:</em></u>

Coordinate : (-1, 3)

3 = -2(-1) + b

3 = 2 + b

<u><em>Subtract 2 from both sides:</em></u>

3 = 2 + b

-2  -2

________

1 = b

<u><em>Put it all together:</em></u>

y = -2x + 1

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Algebra 1 Check Answer Please
BigorU [14]
The answer is the third one.

The way I think through these problems is that where you multiply (-7x), you use addition, and where you use addition (-4), you multiply.

The answers added together will equal the second number, -7, and multiplied will give you the third, -4.

What you had chosen as the answer was close. But 7.53+-0.53 equals positive 7, not negative. However they do round to -4 when multiplied.

The correct answer, -7.53 and 0.53, do equal -7 when added together and equal -4 when multiplied.
5 0
3 years ago
The rodriguez family dined at a restaurant. Their bill came up to $119, but they also have to pay a 9% tax and they plan to leav
ladessa [460]

Answer:

The amount is $155.89

Step-by-step explanation:

To find the cost of the meal, find the tax and tip. You can find each by multiplying the amount of the meal by the percentages.

$119 * 9% = 10.71

$119 * 22% = 26.18

Now we can add all three together.

119 + 10.71 + 26.18 = 155.89

6 0
3 years ago
Read 2 more answers
The histogram shows the speeds of downhill skiers during a competition. Estimate the mean of the data set displayed in the histo
Ostrovityanka [42]

Answer:

≈50.6

Step-by-step explanation:

Not sure what precision level this problem is looking for, but for right-skewed distributions, we know that the mean is going to be pulled right and therefore the mean should be larger than the median. To a high confidence level, the mean should fall between 50 and 59, or in the third column.

If a single estimation is wanted, assume the values inside each column are uniformly distributed:

\displaystyle\\\widehat{\mu}=\frac{34.5\cdot 4+...+74.5\cdot 2}{4+9+4+4+2}\approx \boxed{50.6}

8 0
3 years ago
Please help me!!! I will try to mark brainliest if the answer is correct!
netineya [11]

Answer:

I think the first is answer bcz 35+55=90 ..... 180-90=90

5 0
3 years ago
Please help me asap!!!
kolezko [41]

Answer:

The answer is A $100

Step-by-step explanation:

since 0 deposits is $50 and 1 deposit is $150

you do 150-50 which is 100

4 0
4 years ago
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