3 years ago

2- Describe the cross section

1 answer:

4 0

The cross-section cut by the plane yields a quadrilateral with length and width equal to the length and width of the face that is parallel to the plane.

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nataly862011 [7]

Hello, please consider the following.

${2}^{x + 2 } = 9 \times( {2}^{x} ) - 2\\\\2^x \cdot 2^2=9\cdot 2^x-2\\\\(9-4)2^x = 2\\\\2^x=\dfrac{2}{5}\\\\\text{We take the ln.}\\\\xln(2)=ln(2)-ln(5)\\\\x=\dfrac{ln(2)-ln(5)}{ln(2)}=-1.32193...$

Let me know if you need further explanation.

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3 years ago

Help please - first question

Afina-wow [57]

The answer should be x=60. ABD are an equilateral triangle all the angles must add up to 180. 60*3=180. Also if you have a protractor you can measure the angle C, the 60 degrees part and measure it against A, D and B. Hope this helps.

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2 years ago

Find the GCF. 12, 18, and 84

Dmitry [639]

Answer: 6

Step-by-step explanation:

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3 years ago

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There are 120 people in a sport centre.

otez555 [7]

Answer:

71/120

Step-by-step explanation:

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2 years ago

A store is offering a 30% discount off the regular price of a jacket them amount off the discount was $21 what was the regular p

SSSSS [86.1K]

Answer:

(21/30)*100 = $70

Step-by-step explanation:

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3 years ago