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Alenkasestr [34]
2 years ago
12

Math homework help - please

Mathematics
2 answers:
Ymorist [56]2 years ago
7 0
Try this method to answer without algebra.
If everyone paid $3 the 5000 would pay 5000 x $3 = $15000
The extra $10000 must come from the extra $4 the adults pay
$10000 / $4 = 2500
So there must be 2500 adults and 2500 children
victus00 [196]2 years ago
6 0

Answer:

The number of children is 2500 and the number of adults that attended the game is also 2500.

Step-by-step explanation:

Let us consider that, number of children be x and number of adults be y that attend game.

Since, total 5000 people attend the game.

It costs $3 for children and $7 for adults and the total takings at the door was $25000

             

Substitute value of x from equation 1 into equation 2.

         

So that,

Thus, the number of children is 2500 and the number of adults that attended the game is also 2500.

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Step-by-step explanation:

5000000

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Simplify this question plsss
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Answer:

3/7 * -8/9= -24/63= -8/21

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Send it quick guys...
yanalaym [24]

Answer:

(7 + 4√3)² + (7 - 4√3)² = 194

Step-by-step explanation:

* Lets explain how to solve the problem

∵ a² + b² = (7 + 4√3)² + (7 - 4√3)²

- Lets solve each bracket alone then add the two answers

# Remember (a + b)² = (a)² + 2(a)(b) + (b)²

∵ (7 + 4√3)² = (7)² + 2(7)(4√3) + (4√3)²

∵ 7² = 49

∵ 2(7)(4√3) = 2 × 7 × 4 × √3 = 56√3

∵ (4√3)² = (4)² × (√3)² = 16 × 3 = 48

∴ (7 + 4√3)² = 49 + 56√3 + 48

- 49 and 48 are like terms

∴ (7 + 4√3)² = 97 + 56√3 ⇒ (1)

# Remember (a - b)² = (a)² - 2(a)(b) + (b)²

∵ (7 - 4√3)² = (7)² - 2(7)(4√3) + (4√3)²

- All the numbers like the first bracket except the middle sign, then

 all the answer will be the same except the middle sign will be (-)

∴ (7 - 4√3)² = 49 - 56√3 + 48

∴ (7 - 4√3)² = 97 - 56√3 ⇒ (2)

- lets add answers (1) and (2)

∴ (7 + 4√3)² + (7 - 4√3)² = 97 + 56√3 + 97 - 56√3

∴ (7 + 4√3)² + (7 - 4√3)² = (97 + 97) + (56√3 - 56√3)

∵ 97 + 97 = 194

∵ 56√3 - 56√3 = 0

∴ (7 + 4√3)² + (7 - 4√3)² = 194

4 0
3 years ago
The top one plz answer
PSYCHO15rus [73]
The answer is d because there is a red underline by your teacher usually that means its the answer
5 0
3 years ago
Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, whe
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

Given

h=-16t^2+h_0

ball is dropped from a height of 59 ft

therefore h_0=59 ft

h=-16t^2+59

Time taken to fall half the distance to the ground level i.e. h=\frac{59}{2}

\frac{59}{2}=-16t^2+59

arranging we get

16t^2=\frac{59}{2}

t^2=\frac{59}{2\times 16}

t=1.35 s

(b)Time taken to fall

i.e. h=0

0=-16t^2+59

16t^2=59

t^2=\frac{59}{16}

t=1.92 s

3 0
3 years ago
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