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Verdich [7]
2 years ago
14

PLEASE HELP!!!!!

Mathematics
1 answer:
shutvik [7]2 years ago
5 0

c. 0 ≤ x ≤ 30,000

_____________

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Help with a,b,c answers
Ket [755]
The answers For A,B,C.
A.2
B.2.25
C.1
6 0
2 years ago
The total cost of $4 sharpeners and $7 folders is $30.05. If the cost of a sharpener is $a, and a folder is $2.80 more expensive
raketka [301]

9514 1404 393

Answer:

  a = $0.95

Step-by-step explanation:

The cost of a sharpener is 'a', and the cost of a folder is $2.80 more, so is a+2.80. The total cost of 4 sharpeners and 7 folders is ...

  4a +7(a+2.80) = 30.05

  11a = 10.45 . . . . . . . . . . . subtract 19.60

  a = 0.95 . . . . . . . . . . . divide by 11

The cost of a sharpener is a = $0.95.

7 0
2 years ago
how to solve and write three times a number s plus 4 times a number y is 1 more than 6 times the number s. solve for s
Rasek [7]
3s+4y=1+6s
minus 3s both sides
4y=1+3s
minus 1
4y-1=3s
divide by 3
\frac{4y-1}{3} =s
3 0
3 years ago
For a normal distribution,
Anni [7]

Answer:

1.282, -0.5244,...

Step-by-step explanation:

We know that Z is a standard normal variate with mean =0, and std dev =1

a) z-score separates the highest 10% from the rest of the scores

= 90th percentile = 1.282

b) z-score separates the lowest 30% from the rest of the scores

= 30th percentile = -0.5244

c) z-score separates the lowest 40% from the rest of the scores

= 40th percentile = -0.2533

d) z-score separates the lowest 20% from the rest of the score

=20th percentile = -0.8416

7 0
2 years ago
The table shows a cricket club's income in 2016 from a fete, a quiz and membership fees.
kirill [66]

Answer: 5:2:10

Income from fete = £250

13 x 5 + 35 = 100

25 x 20 = 500

250:100:500

Then simplify ratio -

25:10:50

5:2:10

8 0
2 years ago
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