MATHEMATICS HIGH SCHOOL

A box contains five red marbles, seven white marbles, and four green marbles. A student is computing probabilities by drawing marbles out of the box. Drawing one marble, what is the probability that it is red?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

you have a total of 5+7+4=16 marbles in the box.

5 are red

7 are white

4 are green

If you randomly select 1 marble out of the box, the probabilities are:

5/16 chance of being red

7/16 chance of being white

4/16 chance of being green

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Amy simplifed this complex fraction problem. Negative 2 and one-half divided by five-fourths = Negative five-halves divided by five-fourths = negative five-halves (five-fourths) = negative StartFraction 10 over 8 EndFraction. The quotient is negative five-fourths. What errors did Amy make? Select all that apply.

Answers

Answer:

B, C

Step-by-step explanation:

Amy should have flip the numerator and the denominator of the second fraction before multiplying. She also used addition instead of multiplication for the numerators.

Answer:

B C

Step-by-step explanation:

Find equivalent ways to rewrite the expression 6a^8÷3a^4

Answers

Answer:

6a^8/3a^4= (6/3)= 2

a^8/a^4= a^4

2a^4

(6/3)(a^8/a^4)= 2a^4

(6/3)(a^(8-4))= 2a^4

Step-by-step explanation:

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Hopeitwillhelp...:)

Which geometric solid is the best model for the nose of a human being?A. Rectangular prism
B. Cylinder
C. Sphere
D. Pyramid

Answers

The correct answer is (d.) pyramid. The geometric solid figure, pyramid, best describes or is the best model for the nose of a human being. The human being's nose is being created with 3 triangles in the third dimension, which means pyramid it is.

Answer:

Pyramid is the best model for the nose of a human being. I hope this helps! :)

Step-by-step explanation:

Can someone please help!! How many millimeters equal 19,420 cm ft3?

A. 194.2
B. 19.42
C. 1942
D. 19,420

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

What are the values of x in the equation x(x-6)=4(x+6)

Answers

x(x-6)=4(x+6)

Multiply out:

x² - 6x = 4x + 24

x² - 6x - 4x - 24 = 0

x² - 10x - 24 = 0

This is a quadratic equation

x² - 10x - 24 = 0 Divide through by 2

Multiply first and last coefficients: 1*-24 = -24

We look for two numbers that multiply to give -24, and add to give -10

Those two numbers are -12 and 2.

Check: -12*2 = -24 2 + -12 = -10

We replace the middle term of -10x in the quadratic expression with 2x -12x

x² - 10x - 24 = 0

x² + 2x - 12x - 24 = 0

x(x + 2) - 12(x + 2) = 0

(x + 2)(x - 12) = 0

x + 2 = 0 or x - 12 = 0

x = 0 -2 x = 0 + 12

x = -2 x = 12

The solutions are x = -2 or 12

x la patrat - 6x = 4x+24<=>x la a doua -10x-24=0
D= 100-4×1(-24)
D=100+96
D=196
X1,2= 10 plus minus 14 : 2 <=>X1=10-14:2=-2 and X2= 10+14:2= 2

What numbers are divisble by 23 but are between 2 and 10?

Answers

That is impossible.

For a number to be divisible by 23, it has to be greater than 23.

A number cannot be greater than 23, if you have restricted it to be within the numbers 2 and 10.

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