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4 years ago

Simplify using order of operations: (5 – 2) + 23.

Mathematics

2 answers:

Phoenix [80]4 years ago

6 0

Step 2: 3+23
The answer is 26

Rudik [331]4 years ago

5 0

The answer is 25 but i can't exactly show how

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Find all the real values of X for which f(x)=0 <br><br> F(x)= x^3-x

Natalka [10]

Answer:

x=0,1,-1

Step-by-step explanation:

It factors as

X(x+1)(x-1)=0

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3 years ago

Which of the following equations is not exponential? a)y = 1x b)y = (1/2)x c)y = -2x

Y_Kistochka [10]

I'm not sure but y=1x

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3 years ago

A single die is rolled twice. Find the probability of rolling an even number the first time and a number greater than 3 the seco

IceJOKER [234]

Events

• A: an even number is rolled in the first time

• B: a number greater than 3 is rolled the second time

The probability of rolling an even number is:

$\begin{gathered} P(A)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(A)=\frac{3}{6} \\ P(A)=\frac{1}{2} \end{gathered}$

The probability of rolling a number greater than 3 is:

$\begin{gathered} P(B)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(B)=\frac{3}{6} \\ P(B)=\frac{1}{2} \end{gathered}$

Events A and B are independent, then the probability of one happening after the other is:

$\begin{gathered} \text{ P(A and B) = }P(A)\cdot P(B) \\ \text{ Substituting with the values previously found:} \\ \text{ P(A and B) = }\frac{1}{2}\cdot\frac{1}{2} \\ \text{ P(A and B) = }\frac{1}{4} \end{gathered}$

8 0

1 year ago

What is 10 divided by 78?

pychu [463]

Answer:

5/39

Step-by-step explanation:

10divided by 78 is 10/78.

you can simplify it to 5/39

this is the simplest form

8 0

3 years ago

Which is the perimeter of the shape? (1 point)

Pachacha [2.7K]

Answer:

16 ft

Step-by-step explanation:

To find the perimeter of a square you must:

1. add all of the lengths together (4+4+4+4=16)

Have a great day.

8 0

4 years ago

Read 2 more answers