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k0ka [10]
3 years ago
7

Quincy spends 5/8 of his pocket money on snacks to keep in his locker. Write the fraction 5/8 in decimal form. The decimal equiv

alent of 5/8 is???
Mathematics
1 answer:
pochemuha3 years ago
5 0
\frac{1}{8} =0.125 (Half of \frac{1}{4} which is 0.25
0.125 x 5 = 0.625

\frac{5}{8} =0.625
-----------------------------------------------------------
An easier way to do it is to say \frac{5}{8}= \frac{4}{8} + \frac{1}{8}

\frac{4}{8} =0.5 1/8 = 0.125
  0.500  
+0.125
----------
  0.625
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Which ordered pair represents the y-intercept of the graph of the equation y = –4x – 7?
Dovator [93]
If <span>y = –4x – 7, the x-intercept is found by setting y=0 and solving for x:

</span><span>0 = –4x – 7  =>  4x = -7, or   x = -7/4       The x-intercept is (-7/4, 0).

</span><span>The y-intercept is found by setting x = 0 and reading off the value of y:

y = –4x – 7  =>  y = 0 - 7, or y = -7.  The y-intercept is (0, -7).</span>
7 0
3 years ago
Find the perimeter pf a rectangular parking lot that has a width of 3x+2 and a<br> length of 5x-7.*
uranmaximum [27]

Answer:

<u>Perimeter</u><u> </u><u>is</u><u> </u><u>1</u><u>6</u><u>x</u><u> </u><u>-</u><u> </u><u>1</u><u>0</u>

Step-by-step explanation:

{ \sf{perimeter = 2(length + width)}} \\ p = 2 \{(5x - 7) + (3x + 2) \} \\ p = 2(8x - 5) \\ p = 16x - 10

8 0
3 years ago
An EPA contractor needs to test the concentration of a substance in ten samples of the ground water. Seventy samples were
olga55 [171]

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Systematic sampling

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An EPA contractor needing to test the concentration of a substance in ten samples out seventy samples provided form a single source at regular time intervals.

For the contractor to effectively carry out the testing he has to employ a Non-probability system of sampling which is called Systematic sampling, because in systematic sampling we can assume the population size (x ) which in this case is 70 and the sample size( n ) to be 10

He will have to select ;  ( x / n )^th of the sampling frame for best results

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yuh

Step-by-step explanation:

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xeze [42]

Answer:

5

Step-by-step explanation:

what do you mean ?? its already written there

8 0
3 years ago
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