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scoundrel [369]
3 years ago
11

a line has a slope of -2 and passes through the point (-1,4).what is its equation in slope intercept form?​

Mathematics
1 answer:
Nat2105 [25]3 years ago
5 0

Answer:

y=-2x+2

Step-by-step explanation:

y-y1=m(x-x1)

y-4=-2(x-(-1))

y-4=-2(x+1)

y-4=-2x-2

y=-2x-2+4

y=-2x+2

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Find the number of possible 5 card hands that contain the cards specified the cards are taken from a standard 52 card deck
Zarrin [17]

Answer:

Step-by-step explanation:

Find the number of possible 5-card hands that contain the cards specified. The cards are taken from a standard 52-card deck.

5 red cards.

Ans: 26C5 = 26!/[21!*5!] = 65780

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4 spades and 1 card that is not a spade.

Ans: [13C4*39C1] = 27885

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3 face cards (kings, queens, or jacks) and 2 cards that are not face cards.

Ans: 12C3*40C2 = 171,600

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5 0
3 years ago
The diagram shows the net of a square pyramid.
fenix001 [56]

Answer:

Given,

Base (b) = 16 cm

slant Height (h) = 15 cm

a= 8 cm {a is the half of base}

x = ?

Using Pythagoras Theorem

<em><u>p</u></em><em><u>^</u></em><em><u>2</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>h^</u></em><em><u>2</u></em><em><u> </u></em><em><u>-</u></em><em><u> </u></em><em><u>b^</u></em><em><u>2</u></em>

x^2= 15 - 8

x^2 = 7

x = 2.64 cm

4 0
3 years ago
A perpendicular bisector, CD is drawn through point C on AB. 
STALIN [3.7K]

<u>Answer</u>

B(18/5,0)


<u>Explanation</u>

First we find the coordinates of C;

C (x, y) = [(-3+7)/2, (2+6)/2]

           = (2, 4)

Find the equation of CD.

slope = (6-2)/(7--3)

         = 4/10  = 2/5

slope of CD = -5/2

-5/2 = (y - 4)/(x - 2)

-5/2(x - 2) = y - 4

(-5/2) x + 5 = y - 4

y = (-5/2)x + 9

For the x-intercept y = 0

∴ y = (-5/2)x + 9  

 0 = (-5/2)x + 9  

5/2 x = 9

x = 2/5 × 9

  = 18/5

x-intercept  = (18/5, 0)


3 0
3 years ago
Read 2 more answers
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Andru [333]

40% should be the correct answer! ;D

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6 0
3 years ago
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The area of the pool is 150feet the pool is 5ft deep what is the volume​
Vlad [161]

Answer:

750 cubic (^3) feet

Step-by-step explanation:

6 0
3 years ago
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