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3 years ago

A plane flies 1440miles at a speed of 240mph. How long does it take?

1 answer:

7 0

The best thing to do is to divide 1440 by 240, which will allow you to find a unit rate (which will be the length of time that the journey takes) 1440/240= 6. Therefore, the journey takes 6 hours Hope this helps :)

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What are the solutions to x2 + 8x + 7 = 0? A. x = –8 and x = –7 B. x = –7 and x = –1 C. x = 1 and x = 7 D. x = 7 and x = 8

NikAS [45]

Answer:

x= -7 x = -1

Step-by-step explanation:

x^2 + 8x + 7 = 0

Factor

What 2 numbers multiply to 7 and add to 8

7*1 = 7

7+1 = 8

(x+7)(x+1) =0

Using the zero product property

x+7 =0 x+1 = 0

x= -7 x = -1

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3 years ago

Read 2 more answers

For any nonnegative real number c,(_/c)^2=_____.

Hunter-Best [27]

Answer:

definition the set of positive real number which greater than 0 are the nonnegative number. for ex=(1,2,3...10)

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2 years ago

4/9 + 1/3 = ??<br><br> Simplify answer fully

galben [10]

Multiply the second fraction by three.

4/9 + 3/9 = 7/9

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3 years ago

The cafeteria workers are preparing snack bags of strawberries for the students. They have a package of 82 strawberries and a pa

solmaris [256]

Answer:

30 bags

Step-by-step explanation:

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3 years ago

A company sells boxes of duck calls (d) for $35 and boxes of turkey calls (t) for $45. they make batches of duck calls that fill

SIZIF [17.4K]

Answer:

Option A is the correct choice.

Step-by-step explanation:

Let d be the number of boxes of duck calls and t be the number of boxes of turkey calls.

We have been given that a company sells boxes of duck calls for $35 and boxes of turkey calls (t) for $45, so the revenue earned from selling d boxes of duck and t boxes of turkey call will be 35d and 45t respectively.

Further, the company plan to make $300. We can represent this information as:

$35d+45t=300...(1)$

We are also told that they make batches of duck calls that fill 6 boxes and batches of turkey calls that fill 8 boxes. the company only has 42 boxes. We can represent this information as:

$6d+8t=42...(2)$

$6d=42-8t...(2)$

Therefore, our desired system of equation will be:

$35d+45t=300...(1)$

$6d=42-8t...(2)$

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3 years ago