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natka813 [3]
3 years ago
7

John made 12 dollars per delivery plus a base pay of 30 dollars. If he made 150 dollars, how

Mathematics
1 answer:
Tasya [4]3 years ago
6 0

Answer:

he did 10 delivery

Step-by-step explanation:

if john gets 12 per delivery and gets 30 base pay that means

150-30=120

120/12=10

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Solve the following system of equations using the substitution method.
sergey [27]

Answer:

y=1; x=2

Step-by-step explanation:

Substitution:

x=2y

2x+5y=9

=> if x=2y, plug in the x value into other equation, so

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2(2y)+5y=9

4y+5y=9

9y=9

y=1

You have the Y value, so now solve for X

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plug in y value to x=2y

so x=2(1)

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5 0
3 years ago
Which statements are true?
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123

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3 years ago
Three cards are drawn at random from a standard deck of cards, without replacement. Find the probability that the suits of the c
Evgesh-ka [11]

The probability that suits of cards are spades, hearts, and spades is 39/850 or 0.046.

According to the give question.

Three cards are drawn from a standard deck of cards without replacement.

Since,

The total number of cards in a standard deck = 52

Total number of spade cards = 13

Total number of heart cards = 13

Now,

The probabbility of getting first card as a spade card = 13/52 = 1/4

The probability of getting second card as heart card

= 13/(52 -1)     (cards are drawn without replacement)

= 13/51

The probability of getting third card as a spade card

= (13 - 1)/52 -2

= 12/50

= 6/25

Therefore, the probability that suits of the cards are spades, hearts, spades

= 1/4 × 13/51 × 6/25

= 39/850

= 0.046

Hence, the probability that suits of cards are spades, hearts, and spades is 39/850 or 0.046.

Find out more information about probability here:

brainly.com/question/11234923

#SPJ4

8 0
1 year ago
Help! What is the answer to: <br> 4x^2 + 9x - 1 = 0
nataly862011 [7]
I hope this helps you




a=4


b=9


c= -1



disctirminant =b^2-4ac


disctirminant =9^2-4.4. (-1)


disctirminant =97


x1=-9+square root of 97/2.4= -9+square root of 97/8


x2= -9-square root of 97/2.4= -9-square root of 97/8
6 0
3 years ago
Read 2 more answers
2. Solve by finding square roots. 9x^2 = 25
Verdich [7]
The answers B !!!!!!!
3 0
2 years ago
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