A box contains 15 cards. There are 5 red cards labeled 1, 2, 3, 4, and 5. There are 5 blue cards labeled 1, 2, 3, 4, and 5. There are 5 green cards labeled 1, 2, 3, 4, and 5. One card is drawn from the box.What is the probability that it is a blue card with an even number or a red card with an odd number?

A.1/3

B.1

C.2/5

D.6/225

Answers

Answer 1

Answer: The answer is (A) 1/3.

Answer 2

Answer: Should be A. 2 evenly numbered blue cards, plus 3 odd numbered red cards. Which makes 5/15, which then simplifies to 1/3.

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30 pts please answer

Answers

i think it's d but can't be sure

Answer:

The answer is D

Step-by-step explanation:

I hope this helps

-6x+11 = 7-10x show all work

Answers

Answer:

Step-by-step explanation:

collect like terms ( when a negative sign crosses the equality sign it becomes positive and vice versa)

-6x + 10x=7-11

4x=-4

divide both sides by the coefficient of x

4x/4=-4/4

x=-1

Easy

-6x + 11 = 7 - 10x
Substract 11 from both sides=
-6x = -4 - 10x
Add 10x to both sides
4x = 4
Now divide both sides by the same factor
Answer is x = -1

An estimated 3 out of every 25 men are left-handed. What percent of men are left-handed?

Answers

3/25=x/100
25x=300
300/25=x
x=12%

Answer:

12%

Step-by-step explanation:

2 tbsp peanut butter is how many servings of oil?

Answers

Answer:104 grams

Step-by-step explanation:

Solve for x.
12 = x^2 + 6x

Answers

Answer: x= 1.6 and -7.6

Step-by-step explanation:

Given the equation 12 = x²+6x

Firstly, we will equate the equation to zero by taking 12 to other side to give;

x²+6x-12 = 0

Using the general formula to solve

If ax²+bx+c=0

x = -b+-√b²-4ac/2a

From the equation given

a = 1 b =6, c=-12

x = -6+-√6²-4(1)(-12)/2(1)

x = -6+-√37+48/2

x = -6+-√85/2

x = -6+-9.2/2

x = -6+9.2/2 and -6-9.2/2

x = 3.2/2 and -15.2/2

x = 1.6 and -7.6

A student needs to make a circular cardboard piece with an area between 154 square inches and 616 square inches. The function f(r) relates the area of the cardboard piece, in square inches, to the radius r in inches. Which of the following shows a reasonable domain for f(r)?A) 7 < r < 14
B)154 < r < 616
C) all positive integers less than 7
D) all positive integers between 14 and 154

Question 35 (Multiple Choice Worth 1 points)

(04.02)

An expression is shown below:

square root of 18 plus square root of 2

Which statement is true about the expression?

A) It is rational and equal to 3.
B)It is rational and equal to 4.
C)It is irrational and equal to 3 multiplied by the square root of 2.
D) It is irrational and equal to 4 multiplied by the square root of 2.

Answers

Given:
circular cardboard with an area between 154 in² and 616 in²

Area of a circle = πr²
154 in² = 3.14 * r² 616 in² = 3.14 * r²
154 in² / 3.14 = r² 616 in² / 3.14 = r²
49 in² = r² 196 in² = r²
√49 in² = √r² √196 in² = √r²
7 = r 14 in = r

Radius is between 7 inches and 14 inches. ⇒ A) 7 < r < 14

√18 + √2 = √9 *2 + √2 = 3√2 + √2 = (3+1) √2 = 4√2

D) It is irrational and equal to 4 multiplied by the square root of 2.

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What is the answer to -6+5b=6b-7

H(x) = x2 + 1 k(x) = x – 2