4 years ago

What is -7 + 1/3 plz help and thanks

Mathematics

2 answers:

leva [86]4 years ago

7 0

The answer is -6 2/3

Ugo [173]4 years ago

5 0

Answer:

-6 2/3

Step-by-step explanation:

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Find the value of "x" in x² -2 = 47<br><br>Thanks :)

Dennis_Churaev [7]

$~~~~~x^2 -2 = 47\\\\\implies x^2 = 47 +2 \\\\\implies x^2 = 49\\\\\implies x = \pm\sqrt{49}\\\\\implies x = \pm 7\\\\\text{Hence, }~ x = 7,~~ x = -7$

7 0

2 years ago

James estimated the total cost of groceries to be $50. The actual cost of the groceries is $65. What is the percent error? Round

Yuki888 [10]

The percentage error is 23%

Explanation:

The estimated total cost of the groceries = $50

The actual cost of the groceries = $65

To find the error value, we need to subtract the value of actual cost and total cost of the groceries.

Thus,

error value = actual cost - total cost

error value $= 65-50=15$

Hence, error value = $15

The formula to determine the percent error is given by

$Percent error $=\left(\frac{\text { error value}}{\text {actual value}}\right) \times 100$$

Substituting the values in the formula, we get,

$\begin{aligned} \text { Percent error } &=\left(\frac{15}{65}\right) \times 100 \\ &=0.231 \times 100 \\ &=23.1 \end{aligned}$

Rounding off the value, we have, 23%

Thus, the percentage error is 23%

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3 years ago

2.1(0.2x-1.4)=1.3(0.4x—3.5)<br><br> Pls help.

Tresset [83]

Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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4 years ago

What is -7 + 1/3 plz help and thanks ​

What is -7 + 1/3 plz help and thanks