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Nana76 [90]
3 years ago
15

I really need help with number 5 part A and B

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

.2121/1000

42

Step-by-step explanation:

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Find percent notation 1/8
Mama L [17]

Answer:

\huge\boxed{\dfrac{1}{8}=12.5\%}

Step-by-step explanation:

\bold{METHOD\ 1:}\\\\p\%=\dfrac{p}{100}\to p=p\cdot100\%\\\\\dfrac{1}{8}=\dfrac{1}{8}\cdot100\%=\dfrac{100}{8}\%=\dfrac{25}{2}\%=12\dfrac{1}{5}\%\\\\\bold{METHOD\ 2:}\\\\\text{Convert the fraction to the decimal:}\\\\\dfrac{1}{8}=1:8=0.125\\\\\text{move the decimal point 2 place to the right}\\\\0.125=12.5\%

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3 years ago
What are the solutions to the equation?
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The answer to your question is the last one through the method of competing the square
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3 years ago
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Derek flips a coin and rolls a number cube at the same time. Derek rolls an even number. Find the probability that the coin came
Andreas93 [3]
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Bryce tried to solve an equation step by step. \qquad\begin{aligned} \dfrac83&=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&
sesenic [268]

Answer:

Bryce is wrong in step 1 because he did not distribute 3 over 5/3

Explanation

Given the steps taken by bryce as shown, we are to find where he made an error

\qquad\begin{aligned} \dfrac83&=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&=3c+\dfrac53&\green{\text{Step } 1}\\\\ \\ 1&=3c&\blue{\text{Step } 2}\\\\ \\ \dfrac13&=c&\purple{\text{Step } 3}\\\\ \end{aligned}

Given the expression;

\dfrac83&=3\left(c+\dfrac53\right)\\\\ \\

Step 1:Expand the bracket using the distributive law;

8/3 = 3c + 3(5/3)

<em>Simplify</em>

8/3 = 3c + 15/3

Step 2: Subtract 15/3 from both sides

8/3 - 15/3 = 3c+15/3-15/3

(8-15)/3 = 3c

-7/3 = 3c

Step 3: Multiply both sides by 1/3

-7/3 * 1/3 = 3c * 1/3

-7/9 = c

Swap

c = -7/9

From the calculation, we can see that Bryce is wrong in step 1 because he did not distribute 3 over 5/3 thereby making his solution incorrect

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2 years ago
A cube has a volume of 8 cubic inches. what is the length of each edge of the cube?
snow_tiger [21]

2 \times 2 \times 2

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