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3 years ago

Please help!You roll a 6-sided die two times.

Mathematics

1 answer:

mina [271]3 years ago

5 0

Answer:

rolling a number less than 4=

1,2,3 are less than 4 and a die is 6 sided so that will be 3/6 which in lowest terms is 1/2

1/2 as a percentage is 1/2*100=50%

rolling an odd number=

on a 6 sided die there are 3 odd numbers which are 1,3 and 5=

3/6 which in lowest terms is also 1/2

so 1/2*100=50%

I hope I was able to help

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Factor 60x2 – 155x + 100 completely

gtnhenbr [62]

Answer:

hello :

60x² – 155x + 100 = 5 ( 12 x² - 31 x + 20 )

delta of ( 12x² - 31 x + 20 ) is b² - 4ac when : a = 12 b = -31 c = 20

delta = ( - 31 )² - 4(12)(20) = 961 - 960 = 1

x1 = (31-1)/24 = 30/24 = 5/4

x2 = (31+1)/24 = 32/24 = 4/3

Factor 60x2 – 155x + 100 = 5 (12(x -5/4)(x- 4/3)) = 60 (x -5/4)(x- 4/3)

4 0

3 years ago

Read 2 more answers

Factor the expression completely.

navik [9.2K]

Answer:

(2n + 7) (2n +7)

Step-by-step explanation:

To solve this problem we need to factorize 4n^2 + 28n +49 as shown below

$4n^2 + 28n +49\\=>4n^2 + 14n + 14n +49\\=>2n(2n + 7) + 7(2n +7)\\=> (2n + 7) (2n +7)$

thus, after factorization we see that first option is correct one

(2n + 7) (2n +7)

we can validate this by expanding it

2n (2n +7) + 7 (2n+7)\

=> 4n^2 + 14n + 14n + 49 = 4n^2 + 28n +49 (which is equal to the problem stated expression)

4 0

4 years ago

2(15) - 3(4)<br> What is the answer

makkiz [27]

Answer:

Step-by-step explanation:

Do $2(15)$ to get 30.

Do $-3(4)$ to get -12.

Do $30-12$ to get 18.

18 is the answer.

5 0

3 years ago

Find the annual interest rate.

slega [8]

The annual interest rate is 3.5%.

Solution:

Given Interest (I) = $26.25

Principal (P) = $500

Time (t) = 18 months

Rate of interest (r) = ?

Time must be in years to find the rate per annum.

1 year = 12 months

Divide the time by 12.

Time (t) = $\frac{18}{12}=\frac{3}{2}$ years

Now, find the rate of interest using simple interest formula.

<u>Simple interest formula:</u>

$$I=\frac{Prt}{100}$

$$26.25=\frac{500\times r\times \frac{3}{2} }{100}$

$$26.25\times 100 =500\times r\times \frac{3}{2}$

$$2625 =250\times r\times 3$

$$2625 =750\times r$

$$\Rightarrow r=\frac{2625}{750}$

⇒ r = 3.5%

Hence the annual interest rate is 3.5%.

8 0

4 years ago

A triangular prism has ( ) faces its the 2nd question in the edenuity assignment pls help u will get brainliest

yawa3891 [41]

Answer:

5 faces

Step-by-step explanation:

5 0

4 years ago