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Vlad [161]
3 years ago
14

What is 30 - 5 x 4 + 2 = ?

Mathematics
2 answers:
e-lub [12.9K]3 years ago
6 0

Answer:

12

Step-by-step explanation:

Follow PEMDAS

30 -  5 x 4 + 2                 Multiplication

30 - 20 + 2                     Solve from left to right

10 + 2                              Solve remaining terms

12

g100num [7]3 years ago
5 0

Answer:

12

Step-by-step explanation:

First you do multiplication

30-5x4+2

30-20+2

10+2

12

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You are trying to cast four roles for a play. 12 actors try out, including sir Ian McKellen and Patrick Stewart. the director te
Komok [63]

Answer:

6,840 casts

Step-by-step explanation:

Assuming that every actor can play each of the 4 roles and that each role is different, the number of possible casts including at least one of sir Ian and Patrick is given by the total number of possible casts (permutation of 4 out of 12 actors), minus the number of casts without sir Ian and Patrick (permutation of 4 out of 10 actors):

n=\frac{12!}{(12-4!)} -\frac{10!}{(10-4)!}\\n=(12*11*10*9)-(10*9*8*7)\\n=6,840\ casts

There are 6,840 possible casts.

8 0
4 years ago
FOR 47 POINTS PLEASE HELP
Julli [10]

Answer:

UV=25 units

Step-by-step explanation:

we know that

UW=UV+VW -----> by addition segment postulate

substitute the given values

4x+10=5x+5

solve for x

5x-4x=10-5

x=5

Find the value of UV

UV=5x

substitute the value of x

UV=5(5)=25 units

3 0
3 years ago
Give an example of how you use positive and negative numbers, and explain the meaning of 0 in your example.
EastWind [94]

Answer:

Meanings of the numbers:

Most numbers represent an amount. Positive numbers represent above zero. Zero is the only number that does not represent an amount. It means nothing. When you go lower than nothing, you are in the negative numbers. Negative numbers represent absent values pretty much.

How I would use them in every day life:

I would use positive numbers to represent... maybe something I'm trying to get at a store. Ex: 4 bananas

I would use negative numbers to... maybe look at the temperature. Ex: -16 degrees Fahrenheit. Negative numbers are in temperature all the time.

Hope this helps! (^-^)

6 0
3 years ago
What’s 4x+2[4-2(x+2)]=2x-4 solve for x
Tom [10]

the answer is x=2 hope this helps :)

4 0
3 years ago
Read 2 more answers
Find the value of the function f (x) = -3x + 17 for x = 5.
ss7ja [257]

Answer: 17/3

Step-by-step explanation:

7 0
3 years ago
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