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Dafna1 [17]
3 years ago
6

Asap plz!

Mathematics
2 answers:
valentinak56 [21]3 years ago
8 0

kendo off girl gets do is j for so if to it to if do if do into to if do if do to

aalyn [17]3 years ago
4 0

Answer:

3 feet.

Step-by-step explanation:

<u>Solve</u>

  • Set up a proportion using the given information for the turbine and its model.

C /d

=  

C /d

  • Set up a proportion.

264 /84  =  

9/ d

  • Substitute the given values.

264 ÷ 28

84 ÷ 28  ≈  

9/ d

Since 264 divided by 28 is approximately 9, divide 84 by 28 to find the value of d.

264 /84  ≈  

9 /3

 

d ≈ 3

The diameter of the model is approximately 3 feet.

You might be interested in
The parabola y = x² - 4 opens: <br> A.) up <br> B.) down<br> C.) right<br> D.) left
fomenos

Answer:

Up

Step-by-step explanation:

Here the easy rules to remember the orientation of the parabolas are

a) If x is squared it opens up or down. And its coefficient of {x^{2}[tex] is negative it opens down.b) If y is squared it opens side ways right or left. It its coefficient of [tex]y^{2}

Hence in our equation of parabola

y = x^ 2-4

x is squared and its coefficient is positive , hence it opens up towards positive y axis.

3 0
2 years ago
Can someone help me please?
Gwar [14]

Answer:

10.5 cm^2

Step-by-step explanation:

Area of a triangle = 1/2(L x H)

Reading from the diagram

length = 7 cm

height = 3 cm

therefore

Area of the triangle = 1/2( 7×3)

Area = 10.5 cm^2

4 0
3 years ago
Find the surface area of regular prism with height 6 cm, if the base of the prism is a Regular quadrilateral with side 4 cm.
marshall27 [118]
A "regular quadrilateral" is a square, so the length and width are both 4 cm. The surface area of a rectangular prism is given by
  S = 2(LW +H(L +W))
  S = 2((4 cm)*(4 cm) +(6 cm)*(4 cm +4 cm))
  S = 2(16 cm² +48 cm²)
  S = 2*64 cm² = 128 cm²

The surface area of the prism is 128 cm².


6 0
2 years ago
What is -8?<br> PLEASE HELP ME
Mrac [35]

-8 IS A NEGATIVE INTEGER

6 0
3 years ago
Read 2 more answers
Simplify.
Citrus2011 [14]
First I'd expand the brackets so that you can re-simplify the values, so:
(2x + 3)(3x + 4)
6x^2 + 9x + 8x + 12
6x^2 + 17x + 12
The answer A. 2x(3x + 4) + 3(3x + 4) can be simplified the same way, with 6x^2 + 8x + 9x + 12, and so the answer is A. I hope this helps!
3 0
2 years ago
Read 2 more answers
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