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zhenek [66]
3 years ago
5

Use the point slope equation to identify the slope and the coordinates of a point

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
7 0

Answer:

[1, 4]; 1 = m

Step-by-step explanation:

According to the Point-Slope Formula, <em>y - y₁ = m(x - x₁)</em>, all the negative symbols give the OPPOSITE terms of what they really are, so in this case, the coordinates are [1, 4]. Now, the <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>] is <em>1</em><em> </em>because an invisible coefficient is always assumed to be <em>1</em><em>.</em>

I am joyous to assist you anytime.

nataly862011 [7]3 years ago
3 0

Answer:

The slope of the line is 1 and it passes through the point (1,4).

Step-by-step explanation:

If a line passes through a points (x_1,y_1) with slope m, then the point slope form of the line is

y-y_1=m(x-x_1)            .... (1)

The given equation of line is

y-4=(x-1)                .... (2)

We need to find the slope and the coordinates of a point on the given line.

On comparing (1) and (2) we get

m=1

x_1=1

y_1=4

Therefore, the slope of the line is 1 and it passes through the point (1,4).

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Sam has a rope that is 38 feet long. He cuts the rope into 2 pieces. One piece is 15 feet long.
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3 years ago
Joelle would like to tip her hairdresser 20%. If her haircut costs $38. 00, which expression should she use to find the tip amou
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The expression Joelle should use to find the tip amount is 38(0.20).

<h2>Expression </h2>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which are dependent on the context.  

<h2>Given to us</h2>

Percentage tip of Joelle hairdresser = 20%,

Joelle's haircut costs = $38,

<h3>Percentage Conversion</h3>

As we know that  percentage shows a part of something, therefore,

20\%\ of\ \$38\\= 20\% \times 38\\\\= \dfrac{20}{100}\times 38\\\\= 0.2 \times 38

Hence, the expression Joelle should use to find the tip amount is 38(0.20).

Learn more about expression:

brainly.com/question/13947055

5 0
2 years ago
Can somebody please help me with this question. Giving lots of points.
Brut [27]

Answer:

x-multiple choice

y- short response

23x+10y=86

28x+5y=76 /×(-2)

23x+10y=86

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10y=86-46

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2 years ago
What integer is the opposite of –7?(a)1/7 (b)7 (c)-7 (d)-1/7
Aleks [24]
Hi

-7 -6 -5 -4 -3 - 2 -1 0 1 2 3 4 5 6 7

The distances d₁ = -7 to 0 and d₂ = 0 to 7 are the same

<span>Answer: b) 7</span>
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3 years ago
An engineering consulting firm wantedto evaluate a rivet process by measuring the formed diameter. The following data represent
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Answer:

Step-by-step explanation:

6.81 - 6.79 - 6.69 - 6.59 - 6.65 - 6.60 - 6.74 - 6.70 - 6.76

6.84 - 6.81 - 6.71 - 6.66 - 6.76 - 6.76 - 6.77 - 6.72 - 6.68

7.71 - 6.79 - 6.72 - 6.72 - 6.72 - 6.79 - 6.83

\bar x =6.77

S.D = 0.21

I=6.77\pmt\times\frac{s}{\sqrt{n} }

df = 24

α = 0.05

t = 2.064

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b)

\sqrt{\frac{(1-n)s^2}{X^2_{\alpha /2} } < \mu

\sqrt{\frac{24 \times 0.21^2}{39.364} } < \mu

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