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3 years ago

Please Help Me ASAP I Need This For My grade

Mathematics

1 answer:

zvonat [6]3 years ago

5 0

Answer:

i think a is the right answer

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NEED ANSWER ASAP THE TEST IS TIMED!!!!!!!

frosja888 [35]

Answer:

5/-1

Step-by-step explanation:

y1-y2/x1-x2

3 0

3 years ago

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Tickets for a certain show cost $17, $21, or, for VIP seats, $40. If ten times as many $17 tickets were sold as VIP tic

lawyer [7]

Answer:

Tickets sold:

VIP $=126$

$17 tickets $=1,260$

$21 tickets $=9\cdot 126+57=1,191$

Step-by-step explanation:

Let x be the number of VIP tickets.

If ten times as many $17 tickets were sold as VIP tickets, then the number of $17 tickets is $10x.$

If the number of $17 tickets sold was 57 more than the sum of the number of $21 tickets and VIP tickets, then $10x+57=x+y$ and the number y of $21 tickets is $9x+57.$

Amounts earned:

VIP tickets $=\$40x$

$17 tickets $=\$17\cdot 10x=\$170x$

$21 tickets $=\$21\cdot (9x+57)=\$(189x+1,197)$

Total $=\$(40x+170x+189x+1,197)=\$(399x+1,197)$

The sales of all three kinds of tickets would total $51,471, so

$399x+1,197=51,471\\ \\399x=51,471-1,197\\ \\399x=50,274\\ \\x=126$

Tickets sold:

VIP $=126$

$17 tickets $=1,260$

$21 tickets $=9\cdot 126+57=1,191$

8 0

3 years ago

A government health official is interested in whether there has been a statistically significant decrease in teen smoking rates.

Nostrana [21]

Answer: B

Step-by-step explanation:

The p-value is greater than the significance level (0.09 > 0.05), so we "fail to reject" H0.

The p-value and significance level are provided from the questions .

General rule of P value : When a P value is less than or equal to the significance level, you reject the null hypothesis.

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3 years ago

Bob has homework for 4 subjects. he is deciding what order to complete this assignments. How many options does he have?

bonufazy [111]

Answer:

Step-by-step explanation:

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3 years ago

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The inequality of 8z+3-2z<51 is

masya89 [10]

8z - 2z < 48
6z < 48
z < 8

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3 years ago