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larisa [96]
3 years ago
7

20 points, please help I really bloody need it

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0

Answer:

x plus 3y minus 63

Step-by-step explanation:

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at a movie theater adult tickets cost $8.00 and student tickets cost $5.00. If a big family bought 9 tickets and spent $48.00, h
Anastasy [175]

Answer:

8 student tickets and 1 adult ticket

Step-by-step explanation:

5 times 8 is 40

40 plus 8 is 48

which gives you $48.00

5 0
3 years ago
Theorem: A line parallel to one side of a triangle divides the other two proportionately.
Elenna [48]

Answer:

Segment BF = 16 is true.

Step-by-step explanation:

Since, DE is parallel to BC, so DE will divide AB and AC proportionally.

Hence,

\frac{AE}{EC}  = \frac{AD}{DB}

⇒  \frac{12}{18}  = \frac{6}{DB} 

{Since, given that AE = 12, EC = 18 and AD = 6}

⇒ BD = 9.

Again, since, EF is parallel to AB, so EF will divide BC and AC proportionally.

Hence, \frac{CE}{AE}  = \frac{FC}{BF}

⇒ \frac{18}{12}  = \frac{24}{BF}   

{Since, given that AE = 12, EC = 18 and FC= 24}

⇒ BF = 16.

Therefore, segment BF = 16 is true. (Answer)

3 0
3 years ago
Last year at a certain high school, there were 125 boys on the honor roll and 80 girls on the honor roll. This year, the number
Elodia [21]

Answer:

6.8% decrease

Step-by-step explanation:

a drop of 8% means that only 92% of 125 boys remained on honor roll from last year; .92 x 125 = 115

a drop of 5% means that only 95% of 80 girls remained on honor roll from last year; .95 x 80 = 76

total number of students on honor roll last year = 125 + 80 = 205

total number of students on honor roll this year = 115 + 76 = 191

percent of change = (191 - 205) ÷ 205 = -14/205 = -.068

-.068, which represents a 6.8% decrease

3 0
2 years ago
Is 3 times 6 times 9 and 3 times<br> 6 times 9 equivalent
Fiesta28 [93]
3 x 6 x 9 x 3 x 6 x 9 = ?

       3 x 6 =       18
     18 x 9 =     162
   162 x 3 =      486
   486 x 6 =   2,916
2,916 x 9 = 26,244

3 x 6 x 9 x 3 x 6 x 9 = 26,244

7 0
3 years ago
Read 2 more answers
Please answer this correctly
madreJ [45]

Answer:

0

Step-by-step explanation:

3 cards

P( odd) = 1 odd/ 3 cards = 1/3

No replacement

2 cards 6,8

No odds

P( odd) = 0/2

P( odd, no replacement, odd) = 1/2 * 0 = 0

4 0
3 years ago
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