3 years ago

NEED HELP ASAP

Mathematics

1 answer:

Annette [7]3 years ago

8 0

Answer: It would be approximately 2000 ft.

Step-by-step explanation:

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tigry1 [53]

Answer:

Step-by-step explanation:

you said that in the problem lol

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2 years ago

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Why is -9an acceptable answer to the equation x2=81 ?

Arte-miy333 [17]

Answer:

X=9 or x=-9

Step-by-step explanation:

X^2=81

Can be written as

x^2-81=0

Factorize by the property:

a^2-b^2=(a-b)(a+b)

So the expression becomes:

(x-9)(x+9)=0

Therefore, either x-9=0or x+9=0

Then the solutions are x=9 or x=-9

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3 years ago

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if the equation 2x^2+ bx+ 5=0 has no real solutions, which of the following must be true A. b^2 < 10 B. b^2> 10 C. b^240

melisa1 [442]

Answer:

C. b²< 40

Step-by-step explanation:

2x²+ bx + 5=0 has no real solutions

=> D< 0

b² < 4ac

b²< 4(2)(5)

b²< 40

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3 years ago

-4 1/2 divided by 4 written as a fraction

Semmy [17]

-1 1/2 is the answer. I'm making 20 characters.

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3 years ago

Determine the mode(s) of the data 2, 2, 2,3,5,5, 6, 7, 8, 8, 8, 9, 10.

Genrish500 [490]

To find the mode, put all the numbers in order from least to greatest, then count how many times you see a number. The number you see the most is the mode. In this problem, we have more than one mode, we have two. The number two appears three times and so does number eight. Having two modes is called bimodal, and having more than two modes is called multimodal. So we have a bimodal of two and eight from this data.

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3 years ago