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3 years ago

If the product of 2 identical numbers is 324,find one of the number

Mathematics

1 answer:

Ilya [14]3 years ago

4 0

let each of the numbers be x :

$x \times x = 324$

${x}^{2} = 324$

$x = \sqrt{324}$

$x = 18$

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In which quadrants do solutions for the inequality y is less than or equal to two sevenths times x plus 1 exist? i, iii, and iv

tigry1 [53]

The solutions will lie in all the four quadrants.

y≤2/7x+1

We have the following inequality:

y=2/7x+1

If x=0

y=2/7(0) +1

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If y=0

x=-3.5

So the line passes through the points:

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To find the shaded region, let us take a point, namely, the origin and test it in the inequality:

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Since this is true, then the shaded region includes this point. This is shown below and as you can see the solutions exist in all four quadrants.

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2 years ago

Two tailors, Valentina and Laura, sit down to do some embroidery. Valentina can embroider 2 shirts per hour, and Laura can get t

mina [271]

Answer:

Valentina and Laura finished the same total number of shirts in $4$ hours.

Total number of shirts finished by Valentina $=23$

Total number of shirts finished by Laura $=23$

Step-by-step explanation:

Suppose that Valentina and Laura finished the same total number of shirts in $t$ hours.

Valentina can embroider 2 shirts per hour and Valentina has already completed 15 shirts.

Total number of shirts finished by Valentina $=2t+15$

Laura can get through 3 shirts per hour and Laura has completed 11 shirts.

Total number of shirts finished by Laura $=3t+11$

Therefore,

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So,

Valentina and Laura finished the same total number of shirts in $4$ hours.

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Total number of shirts finished by Laura $=3(4)+11=12+11=23$

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2 years ago

Eggplant has a yield of 81%. If you purchase 12lb of eggplant, how many pounds will you be able to use?(round to the nearest hun

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Answer:

9.72 lb

Step-by-step explanation:

Yield = the amount or quantity produced or returned.

Given:

Yield of eggplant = 81%
Amount of eggplant purchased = 12 lb

To determine how many pounds of eggplant you will be able to use, calculate 81% of the amount of eggplant purchased.

$\begin{aligned}\sf 81\% \: of \: 12 \: lb & = \sf \dfrac{81}{100} \cdot 12\\\\& = \sf \dfrac{81 \cdot 12}{100}\\\\& = \sf \dfrac{972}{100}\\\\& = \sf 9.72\:lb\end{aligned}$

Therefore, you will be able to use 9.72 lb (nearest hundredth).

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11 months ago

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3 years ago

If the product of 2 identical numbers is 324,find one of the number​

If the product of 2 identical numbers is 324,find one of the number