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2 years ago

If a plane can climb at 2,400 feet per minute, how many minutes are needed to climb to 60,000 feet?

Mathematics

2 answers:

fomenos2 years ago

5 0

Answer:

Step-by-step explanation:

25 minutes

sp2606 [1]2 years ago

4 0

Answer:

B.25

Step-by-step explanation:

To find the amount of minutes, divide the total amount of feet from the feet per minute:

60000/2400 = 25

B. 25 is the amount needed to climb to 60,000 feet.

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Find the inverse of y=x2-10x

anzhelika [568]

this is pretty hard but here is your answer

y = x^2 - 10x + 25 - 25

y = (x-5)^2 - 25

y+25 = (x-5)^2

x-5 = +/-sqrt(y+25)

And you get TWO inverses:

x = 5 + sqrt(y+25), for x>=5

x = 5 - sqrt(y+25), for x<=5

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2 years ago

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Which statements are true about David's work? Check all that apply. The GCF of the coefficients is correct. The GCF of the varia

Anon25 [30]

Answer:

The GCF of the coefficients is correct.

The variable c is not common to all terms, so a power of c should not have been factored out.

In step 6, David applied the distributive property.

Step-by-step explanation:

Given the polynomial :

80b⁴ – 32b²c³ + 48b⁴c

The Greatest Common Factor (GCF) of the coefficients:

80, 32, 48

Factors of :

80 : 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80

32 : 1, 2, 4, 8, 16, and 32

48 : 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.

GCF = 16

b⁴, b², b⁴

b⁴ = b * b * b * b

b² = b * b

b⁴ = b * b * b * b

GCF = b*b = b²

GCF of c³ and c

c³ = c * c * c

c = c

GCF = c

We can see that David's GCF of the coefficients are all correct

From the polynomial ; 80b⁴ does not contain c ; so factoring out c is incorrect

In step 6 ; the distributive property was used to obtain ; 16b²c(5b² – 2c² + 3b²)

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1 year ago

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A pond had 60 fish. 27 were carp and the rest were tench. 10 fish were added. The probability that a fish picked at random is a

ivanzaharov [21]

Answer: 2

Explanation:

A pond had 60 fish but 10 were added so now the pond has 70 fish.

The probability of choosing a carp is 1/2 so $\frac{1}{2} (70)$ = 35 are now carp.

There were 27 carp and now there are 35 carp so 8 carp were added.

10 fish were added and 8 of them were carp so 2 of them were tench.

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1 year ago

Dylan has a total of 25 marbles. He gives 5 marbles to his sister, Jane. What

elena-14-01-66 [18.8K]

1/5th of the marbles

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A grocery store sells an 18 ounce container of peanut butter for $3.28. What is the cost per ounce (unit price)?

AnnyKZ [126]

Here,
cost of 18 ounce container of peanut butter = $3.28
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2 years ago

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