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Advocard [28]
3 years ago
8

PLEASE HELP ME SHOW ME HOW U GOT YOUR ANSWER PLZ AND THANK U

Mathematics
2 answers:
lara [203]3 years ago
3 0

Answer:

2/3

Step-by-step explanation:

There are 6 marbles in the jar

4 are not purple

P(not purple) = marbles that are not purple/ total marbles

                      = 4/6 = 2/3

Kisachek [45]3 years ago
3 0

Answer:

2/3

Step-by-step explanation:

since there are 6 total marbles and 4 of them are colors other than purple, there is a 4/6 chance of drawing a marble that is not purple which can be simplified to 2/3.

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The water level in a lake was monitored and was noted to have changed -2 1/3 inches in one year. The next year it was noted to h
Diano4ka-milaya [45]

Answer:

The total change in water level over the past 2 years is \displaystyle -4 \frac{1}{6}.

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Fractions

  • Proper and Improper

Numbers

  • Least Common Multiple (LCM)

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Year 1 water change:  \displaystyle -2 \frac{1}{3}

Year 2 water change:  \displaystyle -1 \frac{5}{6}

<u>Step 2: Find Total Water Change</u>

  1. [Set up] Add yearly water changes:                                                                \displaystyle -2 \frac{1}{3} + -1 \frac{5}{6}
  2. [Fractions] Convert to improper:                                                                     \displaystyle \frac{-7}{3} - \frac{11}{6}
  3. [Fraction] Rewrite [LCM]:                                                                                  \displaystyle \frac{-14}{6} - \frac{11}{6}
  4. [Order of Operations] Subtract:                                                                       \displaystyle \frac{-25}{6}
  5. [Fraction] Convert to proper:                                                                           \displaystyle -4 \frac{1}{6}
5 0
2 years ago
What’s the correct answer for this question ?
andreyandreev [35.5K]

Answer:

C

Step-by-step explanation:

It closely resembles to a sphere.

8 0
3 years ago
I have 256 fence and the lengths are 3 times it's width. What are the lengths ?
Montano1993 [528]
If this is a rectangle, then the answer is the length=96 unitsI just formed two linear equations that follow the information. 
1. 2l + 2w= 256
2. l=3w
Then, I solved for w by using substitution. w is 32. I then multiplied it by 3. I get the length as 96. 
6 0
3 years ago
The sum of the roots of 5 - 2m - 3m2 = 0 is:
Irina-Kira [14]
<span>Vieta's formula:

</span>\displaystyle m_1 +m_2 = - \frac{b}{a}= \frac{2}{3}<span>
</span>
5 0
3 years ago
Read 2 more answers
Use synthetic division and the remainder theorem to find P(–1) if P(x) = 2x3+3x2-x–3.
GREYUIT [131]

Answer:

<h3>The value of P(-1) is -1</h3><h3>∴ P(-1)=-1</h3>

Step-by-step explanation:

Given polynomial is P(x)=2x3+3x2-x-3

<h3>To solve the given polynomial by using synthetic division and the remainder theorem to find P(–1):</h3>

By using the Synthetic division and remainder theorem we can solve it.

From the given P(-1) we can write it as

-1_|  2      3     -1    -3

      0     -2     -1     2

  _________________

      2       1      -2    -1

Hence we get the remainder -1

<h3>The value of P(-1) is -1</h3><h3>∴ P(-1)=-1</h3>
3 0
3 years ago
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