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-Dominant- [34]
3 years ago
13

20 PTSSS PLSSS HELPPPP ASP I NEED ANSWER PLUS SHOw WORK THANNKS

Mathematics
1 answer:
Gwar [14]3 years ago
6 0

Answer:

a.bh/2

b.b=A×2/h

c.12

Step-by-step explanation:

......

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Simplify: (4 /5 + 6/ 25 ) X (8/ 9 + −8 /7 )​
Westkost [7]

Answer: -416/1575

Step-by-step explanation:

\frac{4}{5}=\frac{20}{25} \implies \frac{4}{5}+\frac{6}{25}=\frac{26}{25}\\

\frac{8}{9}=\frac{56}{63}\\\\-\frac{8}{7}=-\frac{72}{63}\\\\\implies \frac{8}{9}-\frac{8}{7}=-\frac{16}{63}

\frac{26}{25} \times -\frac{16}{63}=-\frac{416}{1575}

6 0
2 years ago
A rock concert promoter has scheduled an outdoor concert on July 4th. If it does not rain, the promoter will make $30,000. If it
Cerrena [4.2K]

Answer:

Their expected profit is $12,000.  I'd say it's reasonable, because the event wouldn't have been organized if the profit is expected to be negative.

The insurance company should charge $6,000.

Step-by-step explanation:

(a) 30,000 × .6 + (-15,000) × .4 = 12,000.

(b) 15,000 × .4 = 6,000.

7 0
4 years ago
Read 2 more answers
The sum of three numbers is 72
liraira [26]

Answer:

6

Step-by-step explanation:

The first number: a

The second number: b

The third number: c

a+b+c=72

b=7a

b-c=18

⇒a=6; b=42;

c= 24

4 0
3 years ago
A window washer uses the proportional relationship y = kx to determine how long (y) it will take him to wash any number of windo
Kobotan [32]
C.

By plugging in the numbers into the equation, 8 = 250(k), we can determine that 8 ÷ 250 = 0.032.
4 0
3 years ago
I need the answers to 7.
Mrrafil [7]

Answer: 8 22 7 13 from top to bottom

Step-by-step explanation:

On the first row, the number of 2-player games is 1 meaning 2 players are playing meaning 48 are left to play the 6-player games so 8 is the number

On the second, the number of 6-player games is 1 meaning 6 players are playing meaning 44 are left to play the 2-player games so 22 is the number

On the third, the number of 2-player games is 4 meaning 8 players are playing meaning 42 are left to play the 6-player games so 7 is the number

On the fourth, the number of 6-player games is 4 meaning 24 players are playing meaning 26 are left to play the 2-player games so 13 is the number

7 0
2 years ago
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