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Darya [45]
3 years ago
14

Arnold buys 3

Mathematics
1 answer:
mafiozo [28]3 years ago
6 0

Answer:

A) 3.6(1.85 + 2.30)

Step-by-step explanation:

Given that 3\frac{3}{5} pounds of grapes at $1.85/pound and 3\frac{3}{5} of red grapes at $2.30 per pound.

Given the mass of the different grapes is the same, the cost can be expressed as;

C_g=3\frac{3}{5}\times \$1.85\\\\C_r=3\frac{3}{5}\times\$2.30\\\\C_t=C_g+C_r\\\\=3\frac{3}{5}\times \$1.85+3\frac{3}{5}\times\$2.30\\\\=3\frac{3}{5}( \$1.85+\$2.30)\\\\=3.6(\$1.85+\$2.30)

Hence, the cost can be expressed as 3.6(1.85+2.30)

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30 points I'm struggling Find the equations of each line and show all of your work. (1, 5) (2, 6) (1, 1) (3, -8) (2, -3) (5, -2)
Free_Kalibri [48]

Answer:

1.(1,5) and (2,6) , 6-5/2-1=1/1 m=1 ,y=1x+b

5=1(1)+b 4=b

y=x+4

2.(1,1) and (3,-8) -8-1/3-1=-9/2 m=-9/2 ,y=-9/2x+b

1=-9/2(1)+b b=11/2

y=-9/x+11/2

3.(2.-3) and (5,-2) m=1/3 ,y=1/3x+b

-3=1/3(2)+b -3=2/3+b

-3-2/3=b

 b=-11/3

y=1/3x-11/3

4.(2,5)and (4,3) m=-1 y=-1x+b

5=-1(2)+b 5=-2+b

5+2=b

b=7

y=-1x+7

6.(-3,-5) and (-1,-3) m=2/2=1 y=1x+b

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-5+3=b

-2=b

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Step-by-step explanation:

7 0
2 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
Please help asap question three#
gavmur [86]

Answer:

I don't know, i know its a parrell structure but the answers i dont know i am just here for the points to beat my friend in a race

Step-by-step explanation:

8 0
3 years ago
How can you find f(2) if f(x) = -3x2 – 7?
nordsb [41]

Answer: Isolate the variable by dividing each side by factors that don't contain the variable. x=−1/2^2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
1/150 : 2 = 1/200: X
NeTakaya

Answer:

The value of X is X=\frac{3}{2}

Step-by-step explanation:

Given : \frac{1}{150} : 2=\frac{1}{200} : X

To find : The value of X ?

Solution :

\frac{1}{150} : 2=\frac{1}{200} : X

Converting ratios into fraction,

\frac{\frac{1}{150}}{2}=\frac{\frac{1}{200}}{X}

\frac{1}{150\times 2}=\frac{1}{200\times X}

Cross multiply,

200X=300

X=\frac{300}{200}

X=\frac{3}{2}

Therefore, The value of X is X=\frac{3}{2}

7 0
3 years ago
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