Is (-2) to the 27th power positive or negative and how would you know?

Answers

Answer 1

Answer:

Answer:

It would be negative because multiplying a negative by a positive gives you a negative.

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Type in expanded form. Use to indicate multiplication. 5^2

Answers

the answer is 5 * 5. the power or second is how many times you write the number

Answer:

5 x 5

Step-by-step explanation:

Hope this helps.

An amusement park has 11 roller coasters. In how many ways can you choose 4 of the roller coasters to ride during your visit to the park?

Answers

4!=4*3*2*1=24
11!=11*10*9*8*7*6*5*4*3*2*1=39916800
7!=7*6*5*4*3*2*1=5040
n choose k
how many ways are there to choose k rollercoasters from n choices?

$\left(\begin{array}{ccc}n\nk\end{array}\right)$ = $(n!)/(k!(n-k)!)$

$\left(\begin{array}{ccc}11\n4\end{array}\right)$ = $(11!)/(4!(11-4)!)$ = $(39916800)/(24(7)!)$ = $(39916800)/(24(5040))$ = $(39916800)/(120960)$ =330

330 ways

Two vertices of a right triangle are (0,1) and (0,6). The area of the triangle is 10 square units. Which point could be the third vertex of the triangle?

Answers

The correct answer for the question that is being presented above is this one: "(4,1)."

The distance from (0,1) to (0,6) is 5 units.
The area of a triangle is
Area = bh/2
10 = 5b/2
20 = 5b
b = 4

The distance of the base is 4 units. So, from (0,1) count 4 units to the right but on the same y coordinate.

So the point is in (4, 1).

I need help plsssd it’s algebra

Answers

I would say B

Hope I helped :)

Iliana’s math grade increased from 65 to 86. Fiona’s math grade increased from 70 to 80. What is the difference, rounded to the nearest whole number, between the approximate percent increases?

Answers

Iliana's math grade increased by 21 which is 32.31%. Fiona's math grade increased by 10 which is 14.29%. To obtain the difference between the percent increases, subtract 14.29 from 32.31. Thus, the difference in percent increases of their math grades is approximately 18%.

Answer:

18%

Step-by-step explanation:

Benji decides to sabe $15 dollors per week to buy a computer program. Which equation models th total amount t in dollars Benji will have saved in w weeks?

Answers

t is the amount

w is the weeks

$15 is the rate it is changing

So with this information your answer will be : t=15w

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