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Ksju [112]
3 years ago
10

Help with this algebra question

Mathematics
2 answers:
Karolina [17]3 years ago
6 0
3x + 4y = 12
 The first thing we should do in this case is clear and.
 We have then:
 4y = -3x + 12
 y = (- 3x + 12) / (4)
 Rewriting:
 y = (- 3/4) x + 3
 We evaluate now for x = 4
 y = (- 3/4) (4) + 3
 y = -3 + 3
 y = 0
 The ordered pair is:
 (x, y) = (4, 0)
 Answer:
 
y = (- 3/4) x + 3
 
(x, y) = (4, 0)
Ksivusya [100]3 years ago
4 0
A) y=(12-3x)/4
b)(4,0)
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You order two servings of pancakes and a fruit cup. The cost of the fruit cup is $1.50. You leave a 15% tip. Your total bill is
QveST [7]

Answer: 4.1375

Step-by-step explanation:

15% of 11.50 is 1.725 so subtract 11.50 - 1.725 , you get 9.775 , you subtract 1.50 from 9.775 and get 8.275 , you divide by 2 because there is two servings and you want to find the answer for one , so 8.275 / 2 = 4.1375

7 0
4 years ago
Find x and y. 3x =y x=y-16​
kumpel [21]

Answer:

x=8 y=24

Step-by-step explanation:

y=3x   x=y-16

x=3x-16

-3x  -3x

<u>-2x=-16</u>

  2     2

x=8

y=3(8)

y=24

7 0
3 years ago
Read 2 more answers
What is the probability of drawing the compliment of a king or a
inna [77]

Answer:

The probability of drawing the compliment of a king or a  queen from a standard deck of playing cards = 0.846

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Let 'S' be the sample space associated with the drawing of a card

n (S) = 52C₁ = 52

Let E₁ be the event of the card drawn being a king

n( E_{1} ) = 4 _{C_{1} }  = 4

Let E₂ be the event of the card drawn being a queen

n( E_{2} ) = 4 _{C_{1} }  = 4

But E₁ and E₂ are mutually exclusive events

since E₁ U E₂ is the event of drawing a king or a queen

<u><em>step(ii):-</em></u>

The probability  of drawing of a king or a  queen from a standard deck of playing cards

P( E₁ U E₂ ) = P(E₁) +P(E₂)

                 = \frac{4}{52} + \frac{4}{52}

P( E₁ U E₂ ) = \frac{8}{52}

<u><em>step(iii):-</em></u>

The probability of drawing the compliment of a king or a  queen from a standard deck of playing cards

P(E_{1}UE_{2})  ^{-} = 1- P(E_{1} U E_{2} )

P(E_{1}UE_{2})  ^{-} = 1- \frac{8}{52}

P(E_{1}UE_{2})  ^{-} = \frac{52-8}{52} = \frac{44}{52} = 0.846

<u><em>Conclusion</em></u>:-

The probability of drawing the compliment of a king or a  queen from a standard deck of playing cards = 0.846

5 0
3 years ago
Simplified, -14xy − (-3xy) is
Debora [2.8K]

Answer:

-11xy

Step-by-step explanation:

-14xy -(-3xy)

multiply the bract first - sign * minus sign is plus sign

-14xy+3xy

since they are like terms u can subtract them.u should subtract them because minus and plus means subtract and we should put minus sign in front of the answer because 14 is the highest number and it's sign is negative .

-11xy

5 0
3 years ago
Lucy is constructing the circumscribed circle for △XYZ. She has already used her compass to complete the part of the constructio
Lerok [7]
Correct is A through C,, so B. Just took the quiz
8 0
3 years ago
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