3 years ago

P

Mathematics

1 answer:

Len [333]3 years ago

6 0

I’m kinda confused on the question being asked

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Simplify each expression. <br> -10 (n+6)

sertanlavr [38]

Answer:

-10n - 60

Step-by-step explanation:

Use the distributive property to simplify [ a(b + c) = ab + ac ]

-10(n + 6)

(-10 * n) + (-10 * 6)

-10n + -60

-10n - 60

Best of Luck!

4 0

3 years ago

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3m4 +21 - am4 - 7a =

Yuliya22 [10]

Plug into a calculator

8 0

3 years ago

A combination lock requires a user to select three numbers to unlock it, where all three numbers are between 1 to 30, inclusive,

Sonbull [250]

Answer:

$\frac{1}{270}=0.00370$

Step-by-step explanation:

As the numbers are only between 1 and 30

Total number of possible combinations = 30×30×30 = 27000

If there are 100 attempts then

$\text{P (someone guesses correct)}=\frac{\text{Number of attempts}}{\text{Total number of possible combinations}}\\\Rightarrow \text{P (someone guesses correct)}=\frac{100}{27000}\\\Rightarrow \text{P (someone guesses correct)}=\frac{1}{270}=0.00370$

∴ Probability someone can guess the correct combination given 100 attempts is $\mathbf{\frac{1}{270}=0.00370}$

5 0

3 years ago

Nina has 3 feet ribbon that she wants to cut into 8 equal sized pieces. What is true about the length of each ribbon? A) each pi

tresset_1 [31]

B)each piece has 1/8 of 3 feet ribbon

8 0

4 years ago

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Zaria wants you to solve this puzzle: “I am thinking of a number.

pshichka [43]

Answer:

first what you do is divide two and then for and then after you divide them together you can get your number so I'm going to show you example how to do it

Step-by-step explanation:

first divide 4 / 2 and then you can get your answer after you divide that

5 0

3 years ago