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2 years ago

Which is an equation of the line whose

Mathematics

1 answer:

Montano1993 [528]2 years ago

8 0

Answer:

y = 2x + 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2, so

y = 2x + c ← is the partial equation

To find c substitute (- 2, 3 ) into the partial equation

3 = - 4 + c ⇒ c = 3 + 4 = 7

y = 2x + 7 ← equation of line

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Mars2501 [29]

Answer:

55 hun...

Step-by-step explanation:

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2 years ago

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you are getting your hair cut and it costs you $18.30 you decide to tip the hairdresser 15% how much did you pay in total

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Answer:

You pay $21.05 in total!

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2 years ago

1+secA/sec A = sin^2 A / 1-cos A

Fofino [41]

Answer: see proof below

<u>Step-by-step explanation:</u>

$\dfrac{1+\sec A}{\sec A}=\dfrac{\sin^2 A}{1-\cos A}$

Use the following Identities:

sec Ф = 1/cos Ф

cos² Ф + sin² Ф = 1

<u>Proof LHS → RHS</u>

$\text{LHS:}\qquad \qquad \dfrac{1+\sec A}{\sec A}$

$\text{Identity:}\qquad \qquad \dfrac{1+\frac{1}{\cos A}}{\frac{1}{\cos A}}$

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$\text{Identity:}\qquad \qquad \dfrac{\sin^2 A}{1-\cos A}$

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3 years ago

What is the third quartile of this data set 21,24,25,28,2935,37,39,42

valentinak56 [21]

Answer:

Definitions:

The third quartile, denoted by Q3 , is the median of the upper half of the data set. This means that about 75% of the numbers in the data set lie below Q3 and about 25% lie above Q3;

The upper half of a data set is the set of all values that are to the right of the median value when the data has been put into increasing order;

First, we verify data in increasing order:

21, 24, 25, 28, 29, 35, 37, 38, 42 ( okay);

The median is 29;

Therefore, the upper half of the data is {35, 37, 39, 42};

Q3 = ( 37 + 39 ) / 2 = 76 / 2 = 38;

Step-by-step explanation:

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3 years ago

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Aleonysh [2.5K]

Answer:

1:5

Step-by-step explanation:

Think of it as a fraction needed to be simplified

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3 years ago

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