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11111nata11111 [884]
3 years ago
7

(3b)^2 without exponents

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0
That's impossible
the answer is 9b^2
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I need help urgently!! I’ll make you brainliest!!
guajiro [1.7K]

Answer:

SQUARE= 108 blocks

CIRCLE= 97.97

# OF BUNDLES= 2.05, 3

Step-by-step explanation:

square- find perimeter

  • 22.5 x 4= 90ft
  • 90ft/10inches
  • convert 90 ft to inches> 90 x 12= 1080/10= 108

circle-

  • find the circumference= c=2piR
  • 2x3.14x13=81.64
  • 81.64ft to in = 979.68/10
  • =97  rounded

number of bundles = 205/100 =2.05, so 3

6 0
3 years ago
What is the area of square UVWX?<br>Area = ​
guapka [62]

Answer:

Area = 64

Step-by-step explanation:

area of a square = side^{2}

side length = 8

8^{2} = 64

8 0
3 years ago
Solve the following system of equations by using the elimination method.
mariarad [96]

Answer:

the answer is (6, 1)

Step-by-step explanation:

x² + y² - 12 x - 2 y + 12 = 0

(x²-12x) +(y² -2y) +12 = 0

(x²-2(6)(x)+6²)-6² +(y² -2y+1) -1+12 = 0

(x-6)² +(y-1)² = 5²

the center of a circle is (6, 1)

4 0
3 years ago
Here is a system of equations.
goblinko [34]

Answer:

It should be "one solution"

Step-by-step explanation:

After graphing the equations, the two lines only intersect at one point which makes it "one solution." Hope this helps.

8 0
2 years ago
Read 2 more answers
A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the
allochka39001 [22]

Answer:

The receiver must be placed at a distance of 6.125 ft from the center.

Step-by-step explanation:

The dish is of parabola shape with the length of 14 feet and 2 feet deep from the center.

A parabola is a curve which is a set of all points in the plane which are at equal distance away from a given point called focus and given line called directrix.

We have to find out the point at which all the waves comes to one point where the receiver must be placed is the focus of the parabola.

The above scenario is shown in the image which can be converted in mathematical graphical representation of the parabolic curve.

The extreme two end points becomes, (-7,2) and (7,2)

The general equation for such parabola is:

x² = 4ay

where, a is the distance from the center and the focus.

Since, (7,2) satisfy the equation so,

7² = 4a×2

a = 49 /8

Thus,

<u>The receiver must be placed at a distance of 6.125 ft from the center.</u>

5 0
3 years ago
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