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Anvisha [2.4K]
2 years ago
10

A number cube that has sides numbered 1 through 6 is rolled 240 times. How many times would you expect the result to be a number

2 or less?
Mathematics
2 answers:
love history [14]2 years ago
8 0

Answer:

80

Step-by-step explanation:

tangare [24]2 years ago
7 0
80 times because it would be 40 times for the number 2 and another 40 times for the number 1
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Correct & best answer ill get brainliest.
Nezavi [6.7K]
The correct answer I believe in b
4 0
3 years ago
M+2/3=1/4m-1<br><br><br>what the formula used to find the value of m?​
zimovet [89]

<u>Answer:</u>

The value of m is \frac{-5+\sqrt{34}}{6} \text { or } \frac{-5-\sqrt{34}}{6} by using quadratic formula

<u>Solution:</u>

Given, expression is m+\frac{2}{3}=\frac{1}{4 m}-1

Now, we have to solve the above given expression.

\text { Now, } \mathrm{m}+\frac{2}{3}=\frac{1}{4 m}-1

By multiplying the equation with m, we get

\begin{array}{l}{m^{2}+\frac{2}{3} m+m=\frac{1}{4}} \\\\ {m^{2}+m\left(\frac{2}{3}+1\right)=\frac{1}{4}} \\\\ {m^{2}+\frac{5}{3} m=\frac{1}{4}}\end{array}

\begin{array}{l}{12 m^{2}+20 m=3} \\ {12 m^{2}+20 m-3=0}\end{array}

Now, let us use quadratic formula

\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}

Here in our problem, a = 12, b = 20, c = -3

\begin{array}{l}{m=\frac{-20 \pm \sqrt{20^{2}-4 \times 12 \times(-3)}}{2 \times 12}} \\\\ {=\frac{-20 \pm \sqrt{400+144}}{24}} \\\\ {=\frac{-20 \pm \sqrt{544}}{24}} \\\\ {=\frac{-20 \pm 4 \sqrt{34}}{24}=\frac{-5 \pm \sqrt{34}}{6}} \\\\ {=\frac{-5+\sqrt{34}}{6} \text { or } \frac{-5-\sqrt{34}}{6}}\end{array}

Hence the value of m is \frac{-5+\sqrt{34}}{6} \text { or } \frac{-5-\sqrt{34}}{6} by using quadratic formula

7 0
3 years ago
Twice a number minus a second number is –1. Twice the second number added to three times the first number is 9. Find the two num
forsale [732]

Answer:

n= 1

x= 2

Step-by-step explanation:

the equations are 2n - x = -1

                              2x + 3n = 9

6 0
3 years ago
A restaurant charges $12.50 for 5 soft drinks. How much does the restaurant charge per soft drink?
djyliett [7]

Answer:

$2.50

Step-by-step explanation:

This problem is asking for the unit rate. To solve this problem, you would do $12.50 divided by 5 to get $2.50.

$12.50 divided by 5 = $2.50

5 0
3 years ago
Read 2 more answers
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Ksivusya [100]
Good day ^-^///////////

5 0
3 years ago
Read 2 more answers
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