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Norma-Jean [14]
2 years ago
14

5.5 minutes = 330 seconds A. True B. False

Mathematics
2 answers:
BARSIC [14]2 years ago
7 0

Answer:

False :-

Step-by-step explanation:

5 mins = 300 secs

RoseWind [281]2 years ago
6 0

Answer:

True

Step-by-step explanation:

330 Seconds = 5.5 Minutes = 5 Minutes and 30 Seconds

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A bag contains 10 black, 15 white, and 25 blue marbles. What is the probability of randomly selecting one
gulaghasi [49]

Answer: 0.8 or 80%

Step-by-step explanation:

First find the total number of marbles:

10 + 15 + 25 = 50 marbles total

To find the number of marbles that are not black:

15 + 25 = 40 marbles that are not black

Set up ratio:

\frac{40}{50} = 0.8 or 80%

4 0
3 years ago
Find a cubic function with the given zeros. -6, 7, -4
Nookie1986 [14]
f(x)=a(x-x_1)(x-x_2)(x-x_3)\\\\x_1=-6;\ x_2=7;\ x_3=-4\\\\f(x)=(x+6)(x-7)(x+4)=(x^2-x-42)(x+4)\\\\=x^3+3x^2-46x-168
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3 years ago
Write 26 3/4 as a decimal number
siniylev [52]

Answer:

26 3/4 as a decimal would be 26.75

3 0
3 years ago
Read 2 more answers
ALGEBRA QUESTION WILL GIVE BRAINLIEST IF CORRECT!!!
Ulleksa [173]

Answer:

Step-by-step explanation:

(f + g)(x) simply means that you are adding together the 2 functions that are written in terms of x.

x^3-x+x^3+2x^2-10

The only like terms we have there are the x-cubed's, so

2x^3+2x^2-x-10=(f+g)(x)

3 0
3 years ago
A ball is thrown into the air from an apartment balcony and falls to the ground. The height of the ball, h metres, t seconds aft
andriy [413]

Answer:

1+2\sqrt{2} seconds

Step-by-step explanation:

When the ball hits the ground, its height will obviously be 0. Therefore, you can set up the equation the following way:

0=-5t^2+10t+35 \\\\-5(t^2-2t-7)=0

Plugging this into the quadratic equation, you get:

t=\dfrac{2\pm\sqrt{4+28}}{2}= \\\\\dfrac{2\pm4\sqrt{2}}{2}= \\\\1\pm2\sqrt{2}

Since the time must be positive, it takes the ball 1+2\sqrt{2} seconds to hit the ground, or around 3.828. Hope this helps!

7 0
3 years ago
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