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OLga [1]
4 years ago
12

Which is equivalent to 2 to the fourth power

Mathematics
1 answer:
Irina18 [472]4 years ago
5 0

Answer:

16

Step-by-step explanation:

2 times 2 is 4, 4 times 2 is 8, 8 times 2 is 16

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A pair of shoes usually sells for $66. If the shoes are 40% off, and sales tax is 5%, what is the total price of the shoes, incl
irga5000 [103]
Discount;
66 * 0.4 = 26.40
66 - 26.4 = 39.60

Tax;
66 * 0.05 = 3.30

Total Price:
39.60 + 3.30 = 42.90

$42.90
3 0
3 years ago
You are building a skateboard ramp from a piece of wood that is 3.1 meters long. You want the ramp to make and angle of 25 with
andrew11 [14]

Answer:

30 degrees. 

Step-by-step explanation:

The ladder that extends from the floor to the storeroom makes a right triangle.  The ramp is the hypotenuse measuring 10 m and the elevation of the storeroom is the opposite side. The angle of elevation is the arcsin of the quotient of the 5/10. Thus, the answer is 30 degrees. 

Read more on Brainly.com - brainly.com/question/1411682#readmore

6 0
4 years ago
Write an equation for an ellipse centered at the origin, which has foci at (\pm\sqrt{8},0)(± 8 ​ ,0)(, plus minus, square root o
Alchen [17]

Answer:

The equation of ellipse centered at the origin

\frac{x^2}{18} +\frac{y^2}{10} =1

Step-by-step explanation:

given the foci of ellipse (±√8,0) and c0-vertices are (0,±√10)

The foci are (-C,0) and (C ,0)

Given data (±√8,0)  

the focus has x-coordinates so the focus is  lie on x- axis.

The major axis also lie on x-axis

The minor axis lies on y-axis so c0-vertices are (0,±√10)

given focus C = ae = √8

Given co-vertices ( minor axis) (0,±b) = (0,±√10)

b= √10

The relation between the focus and semi major axes and semi minor axes are c^2=a^2-b^2

      a^{2} = c^{2} +b^{2}

a^{2} = (\sqrt{8} )^{2} +(\sqrt{10} )^{2}

a^{2} =18

a=\sqrt{18}

The equation of ellipse formula

\frac{x^2}{a^2} +\frac{y^2}{b^2} =1

we know that a=\sqrt{18} and b=\sqrt{10}

<u>Final answer:</u>-

<u>The equation of ellipse centered at the origin</u>

<u />\frac{x^2}{18} +\frac{y^2}{10} =1<u />

                                   

8 0
3 years ago
Read 2 more answers
will give brainliest Each exterior angle of a certain regular polygon is 20°, so each interior angle of that polygon must be ___
barxatty [35]

Answer:

i think it would be 10 degrees

7 0
3 years ago
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Which prism has a volume of 5 cubic units?
erastova [34]

Answer:

Step-by-step explanation:

5=1 1/4*4*1=1.25*4*1

so  1 and one fourth units by 4 units by 1  unit

6 0
4 years ago
Read 2 more answers
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