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BigorU [14]
2 years ago
12

At what height will the air pressure equal 50%

Mathematics
1 answer:
DochEvi [55]2 years ago
8 0

Answer:

Im pretty sure its C which is 5776.2m

Step-by-step explanation:

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Factor Completely.<br> 12k^2-16k-60
faltersainse [42]

Answer:

4(k - 3)(3k + 5)

Step-by-step explanation:

Given

12k² - 16k - 60 ← factor out 4 from each term

= 4(3k² - 4k - 15) ← factor the quadratic

Consider the factors of the product of the coefficient of the k² term and the constant term which sum to give the coefficient of the k term

product = 3 × - 15 = - 45 , sum = - 4

Factors are - 9 and + 5

Use these factors to split the middle term

3k² - 9k + 5k - 15 → ( factor the first/second and third/fourth terms

= 3k(k - 3) + 5(k - 3) ← factor out (k - 3)

= (k - 3)(3k + 5)

Hence

12k² - 16k - 60 = 4(k - 3)(3k + 5) ← in factored form

8 0
3 years ago
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What is the Lcm of 5 and 20​
Inga [223]

Answer:

20 is the LCM of 5 and 20.

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5 0
2 years ago
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Write down the inequality described by "half of x is no more than six", and solve it<br>​
Montano1993 [528]
X/.5 > 6
(the > has a line under it but idk how to type that lol)
5 0
2 years ago
Write a function rule that represents the situation.
Dafna1 [17]
The function would be:
6.95 + (0.75*t) = p
3 0
2 years ago
you sold brownies for $3 each.You sold 14 more this week than last week altogether. You made $84. how many brownies did you sell
Luba_88 [7]

Answer: 8

Step-by-step explanation: Altogether you sold x last week, if you do x + 14 which is 2x12 brownies sold, then at 3$ each 3(2x+12)=84 so 6x + 36 = 84

84- 36 = 48/6 = 8

7 0
3 years ago
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