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Marina86 [1]
3 years ago
9

A b c or d? help me ​

Mathematics
2 answers:
kotegsom [21]3 years ago
7 0

Answer:

B.) \frac{1}{2} +8

Step-by-step explanation:

\frac{1}{2}-(-8)

A negative and a negative equals a positive. Remove parentheses and simplify

\frac{1}{2}+8

Done.

Ivahew [28]3 years ago
3 0
B. 1/2+8
The equation, 1/2- (-8) has two negatives which makes it a positive outcome so the 1/2 stays the same but now the -8 is now a positive 8. 1/2+8
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Simplify 3^6 X 3 please help i failed the test 3 times (im not that smart lol)
MA_775_DIABLO [31]

Answer:

2187

Step-by-step explanation:

3^{6} × 3

729 × 3

2187

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Sanjay and Felipe are putting together a 500-piece puzzle. Sanjay could do the entire puzzle by himself in 6 hours, while it wou
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What is the time it takes Sanjay to complete the puzzle? 6 hours

What is the time it takes Felipe to complete the puzzle? 8 hours


We can use the general formula of rate and time to solve this problem. Generally we have,

<em><u>Rate * Time = Work/Job</u></em>

<em>** where Work/Job for this problem is 1 since they are doing 1 work, which is solving a puzzle</em>


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  • <u>Finding rate of Felipe:</u>

R(8)=1\\R=\frac{1}{8}


Working together, their rate is the sum,

Total Rate = \frac{1}{6} + \frac{1}{8} = \frac{7}{24}.


Using the general formula again, we can find the time it will take to solve the puzzle when both works together.

(\frac{7}{24})T=1\\ T=\frac{1}{\frac{7}{24}}= \frac{24}{7} = 3.43 hours

Rounding the answer, we have 3.4 hours.


ANSWER: 3.4 hours


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3 years ago
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Is 4.64 prime or composite
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Answer:

Therefore all numbers that end with five and are greater than five are composite numbers. The prime numbers between 2 and 100 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97.

Step-by-step explanation:

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Parallelogram FGHJ was dilated and translated to form similar parallelogram F'G'H'J'.
azamat

we know that

The scale factor is equal to

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<u>the answer is</u>

4

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3 years ago
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