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GalinKa [24]
3 years ago
7

What’s the difference between nine and twice a number,x, is one

Mathematics
1 answer:
coldgirl [10]3 years ago
6 0
9/2x=1 is probably right
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What is another problem equivalent to 11+11+11
denpristay [2]

Answer:

11x3 or 16.5 to the power of two or: 30+3.

5 0
3 years ago
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Please help me! Please! I am so lost! Pythagorean Theorem!
Ket [755]

Answer:

Part A- yes, because all 3 sides are Equal (each side is 5)

Part B- yes, each rectangle has the dimensions 12*5

Part C- yes- since the sides are 5 and 12 you can determine that the diagonal is 13, using they Pythagorean theorem a^{2} +b^{2} =c^{2}

5^{2} +12^{2} =13^{2} \\25+144=169- true statement, so the lateral sides are rectangles, because the corners are 90

Part D-  4\sqrt{2} (it is a 45-45-90 triangle- so the hypotenuse is the side length times \sqrt{2}

Part E- the diagonal face as the largest area- dimensions are 4\sqrt{2} * 12\\

the area would be 48\sqrt{2}

Step-by-step explanation:

4 0
2 years ago
A roll of 100 pennies is in the shape of a right cylinder. Each penny has a diameter of 0.75 inches and a thickness of 0.04 inch
zalisa [80]

Answer:

  • (B) π(0.75/2)²(4)

Step-by-step explanation:

<u>The volume formula:</u>

  • V = πr²h

<u>Given:</u>

  • d = 0.75 in ⇒ r = d/2 = 0.75/2 in
  • h = 0.04 in

<u>The volume of each penny:</u>

  • V = π(0.75/2)²(0.04)

<u>The volume of 100 pennies:</u>

  • V = 100*π(0.75/2)²(0.04) = π(0.75/2)²(4)

Correct choice is B

6 0
3 years ago
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Systems of Equations via Elimination
Natalka [10]

Answer:

Step-by-step explanation:

The shop sold 70 ice cream cones. It means that x + y = 70Small cones cost 3.95 and large cones cost 5.75. The total sales made from the selling 70 ice creams is $370.10. It means that 3.95x + 5.75y = 370.1 - - - - - - - - - -1Substituting x = 70 - y into equation 1, it becomes3.95(70 - y) + 5.75y = 370.1276.5 - 3.95y + 5.75y = 370.1- 3.95y + 5.75y = 370.1 - 276.51.8y = 93.6y = 93.6/1.8y = 52x = 70 - 52x = 18. Ww

Read more on Brainly.com - brainly.com/question/14570469#readmore

5 0
3 years ago
Help PLSSSSS I will give you Brainlyist <br> I suck at math it should be easy
djyliett [7]

Answer:

11

Step-by-step explanation:

44 / 11 = 4

33 / 11 = 3

7 strips

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3 years ago
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