3 years ago

Need this ASAP!!! 100 points!!

Mathematics

1 answer:

AlekseyPX3 years ago

7 0

Answer:

yeah same

Step-by-step explanation:

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An airplane flies 1920 miles in 3 hours. What is it’s average speed in miles per hour?

const2013 [10]

Answer:

640

Step-by-step explanation:

you just divide

3 0

3 years ago

What’s 1 plus 1 please hurrt

Aleks04 [339]

1+1 is equal to 2 lol

5 0

3 years ago

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Find the volume of each figure. PLZZZ I NEED HELP ASAP!!!!!! :/

ella [17]

8) v=1/3 x 6^2 x 11
= 132cm^3

10) 80ft^3

11) 72km^3

Hope this helps!!

6 0

3 years ago

What are the types of roots of the equation below?<br><br>x^4 - 81 = 0

natali 33 [55]

Answer:

x^4 - 81 = 0

(x² - 9)(x² + 9) = 0

Notice that the first of these is itself a difference of two squares:

(x - 3)(x + 3)(x² + 9) = 0

So the solutions are x = 3, x = -3, x = 3i, x = -3i

4 0

3 years ago

The nth term of a sequence is 2n2 + 1 The nth term of a different sequence is 65 - 2n2. Show that there is only 1 number that is

HACTEHA [7]

Answer:

The only common term is 33.

Step-by-step explanation:

We are given the following in the question:

Sequence 1:

$n^{th}\text{ term: } 2n^2 + 1$

Sequence 2:

$n^{th}\text{ term: } 65 - 2n^2$

Equating the two terms, we get,

$2n^2 + 1 = 65 - 2n^2\\4n^2 = 64\\\\n^2 = \dfrac{64}{4}\\\\n^2 = 16\\n = \pm 4$

Since, n cannot take a negative value, we get n = 4.

Thus, there is only 1 common term both the series have for n = 4.

Common term:

$2(4)^2+ 1 - 65-2(4)^2 = 33$

Thus, the only common term is 33.

8 0

3 years ago