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Setler [38]
3 years ago
6

80. A certain insect has a mass of 75 milligrams.

Mathematics
1 answer:
pickupchik [31]3 years ago
6 0
Since 1 milligram = 0.001 grams you just have to multiply 75 milligram by 0.001 grams in order to get the grams.
75 x 0.001= 0.075 grams so the answer is F.
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Step-by-step explanation:

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Work out the size of angle x<br> give reasons for your answer
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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Could you please help me with number 6 thank you sm !!
ololo11 [35]

Answer:

  • A) a = 4, b = 3

Step-by-step explanation:

<h3>#6</h3>

<u>Given equation:</u>

  • 4/(x - 3) + 2/(x - 2) = 2

<u>Multiply all terms by (x - 3)(x - 2):</u>

  • 4(x - 2) + 2(x - 3) = 2(x - 3)(x - 2)
  • 2(x - 2) + (x - 3) = (x - 3)(x - 2)
  • 2x - 4 + x - 3 = x² - 5x + 6
  • x² - 5x - 3x + 6 + 7 = 0
  • x² - 8x + 13 = 0
  • x = (8 ± √(8² - 4*13))/2 = (8 ± √12)/2 = (8 ± 2√3)/2 = 4 ± √3

<u>Compare this to the given form to get:</u>

  • a = 4, b = 3

Correct choice is A

6 0
2 years ago
Find the base circumference of a cone with height 10 cm and volume 90π cm3 .
Leni [432]

Answer:

<em>Answer is </em><em>circumference</em><em> </em><em>=</em><em>32</em><em>.</em><em>64</em>

Step-by-step explanation:

given \\ volume \: of \: cone \:  = 90\pi \:  {cm}^{3}  \\ and \: height = 10 \: cm \:  \\ to \: find: circumference \\ by \: the \: given \: data \\ volume \: of \: cone = 90\pi \\  \frac{1}{3} \pi {r}^{2} h = 90\pi \\ cancelling \: \pi \: which \: is \: common \: \\ we \: get \\  \frac{1}{3 }  {r}^{2} h = 90 \\ we \: know \: that \: h = 10 \\ on \: substituting \: we \: get \\  \frac{1}{3}  {r}^{2}  \times 10 = 90 \\ dividing \: by \: 10 \: on \: both \: sides \: we \: get \\  \frac{1}{3}  {r}^{2}  = 9 \\  {r }^{2}  = 27 \\ r = 3 \sqrt{3}  \\ we \: know \: that \: circumference \:  = 2\pi \: r \\  = 2 \times  \frac{22}{7}  \times 3 \sqrt{3}  \\  on \: solving \: the \: above \: mentioned \: we \: get \\  \\  \:  = 32.64

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

3 0
3 years ago
Read 2 more answers
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