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ella [17]
3 years ago
5

Write down the value of 5^-1

Mathematics
2 answers:
Katarina [22]3 years ago
4 0
Wouldnt it be 0.2 i think
Mashcka [7]3 years ago
3 0
Hello,
the value is:
1/5=0,2

Bye :-)
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Which statement best describes the association between variable X and variable Y?
Alika [10]

Answer:

Weak negative association

Step-by-step explanation:

because it is widely scattered, it is weak but in general it is negative

8 0
3 years ago
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The world's oceans hold roughly 1.4 x 109 cubic kilometers of water. A typical bucket holds roughly 20,000 cubic centimeters of
MissTica

Answer:

It'll take a bucket loads of 7 * 10^{20} to empty world's ocean

Step-by-step explanation:

Given

World\ Ocean: 1.4 * 10^9 km^3

Bucket: 20,000 cm^3

1 km^3 = 10^{15} cm^3

To get the number of bucket loads, we simply divide the size of the ocean by the size of the bucket;

Number = \frac{Ocean\ Size}{Bucket\ Size}

Number = \frac{1.4 * 10^9 km^3}{20,000cm^3}

Expand the numerator

Number = \frac{1.4 * 10^9 * 1km^3}{20,000cm^3}

Recall that 1 km^3 = 10^{15} cm^3

So, the expression becomes

Number = \frac{1.4 * 10^9 * 10^{15} cm^3}{20,000cm^3}

Simplify the numerator using laws of indices

Number = \frac{1.4 * 10^{9+15} cm^3}{20,000cm^3}

Number = \frac{1.4 * 10^{25} cm^3}{20,000cm^3}

Expand the denominator

Number = \frac{1.4 * 10^{25} cm^3}{2 * 10,000cm^3}

Number = \frac{1.4 * 10^{25} cm^3}{2 * 10^4\ cm^3}

Split fraction

Number = \frac{1.4}{2} * \frac{10^{25} cm^3}{10^4\ cm^3}

Number = 0.7 * \frac{10^{25}}{10^4\ }

Simplify fraction using laws of indices

Number = 0.7 * 10^{25-4}

Number = 0.7 * 10^{21}

Number = 7 * 10^{20}

Hence, it'll take a bucket loads of 7 * 10^{20} to empty world's ocean

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=2%285y%20%2B%203%29%20-%204%287y%20%2B%201%29%20%3D%20%20-%2088" id="TexFormula1" title="2(5y
goldenfox [79]
How to solve:
2(5y+3)-4(7y+1)=-88
10y+6-28-4=-88
-18y=-90
y=5

Solution for Y is 5
(I believe that is correct)
7 0
3 years ago
Read 2 more answers
Paul Curcio earns $7.35 per hour for regular time up to 40 hours, time-and-a-half for overtime, and double time for working on h
Otrada [13]

Answer:

Paul Curcio's gross pay was $ 514.5.

Step-by-step explanation:

Given that Paul Curcio earns $ 7.35 per hour for regular time up to 40 hours, time-and-a-half for overtime, and double time for working on holidays, to find his gross pay if he worked 6 holiday hours for a total of 58 hours Monday through Saturday the following calculation must be performed:

(58 - 40 - 6) x 7.35 x 1.5 + 6 x 7.35 x 2 + 40 x 7.35 = X

132.3 + 88.2 + 294 = X

514.5 = X

Therefore, Paul Curcio's gross pay was $ 514.5.

3 0
3 years ago
I need help with this one
Dahasolnce [82]

Answer:

Domain → [-5, 11]

Step-by-step explanation:

Domain of a graph or function is defined by the x-values (Input values).

From the graph attached,

Since, the graph starts from x = -5 and ends at x = 11,

(Shown as the dark points)

Therefore, domain of the graph will be represented by,

Domain → [-5, 11]

4 0
3 years ago
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