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pav-90 [236]
4 years ago
12

Factor the expression: (9x)(9x)+12x+4

Mathematics
1 answer:
zhannawk [14.2K]4 years ago
8 0

Answer:

81x^2 + 12x + 4

Step-by-step explanation:

This expression doesn't factor

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The value of a rectangle is 128 cubic yards. The base of the prism has an area of 8 square yards.
san4es73 [151]

Answer:

<h2><em><u>16</u></em><em><u> </u></em><em><u>yards</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>,</u></em>

Volume of the rectangular prism = 128 cubic yards

Base area of the prism = 8 square yards

<em><u>Let</u></em><em><u>,</u></em>

Height of the prism be = h

<em><u>As</u></em><em><u> </u></em><em><u>we</u></em><em><u> </u></em><em><u>know</u></em><em><u>,</u></em><em><u> </u></em>

Base area × height = Volume of the given prism

<em><u>Therefore</u></em><em><u>,</u></em><em><u> </u></em>

By the problem,

=> 8 sq. yd × h = 128 cu. yd

=> 8h = 128

  • <em>(</em><em>On</em><em> </em><em>dividing</em><em> </em><em>8</em><em> </em><em>from</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>

=  >  \frac{8h}{8}  =  \frac{128}{8}

  • <em>(</em><em>On</em><em> </em><em>Simplification</em><em>)</em>

=> h = 16

<em><u>Hence</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>height</u></em><em><u> </u></em><em><u>(</u></em><em><u>h</u></em><em><u>)</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>prism</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>16</u></em><em><u> </u></em><em><u>yards</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

5 0
3 years ago
$3x+2y=-8<br>1 x - y = -1​
Mrac [35]

Answer:

Step-by-step explanation:

in order to solve this system of equation we would say that let

3x+2y=-8........................................................ equation 1

1 x - y = -1​ ........................................................ equation 2

from equation 2

1 x - y = -1​ ........................................................ equation 2

x = -1 + y....................................... equation 3

substitute for equation 3 in equation 1

3x+2y=-8........................................................ equation 1

3( -1 + y) + 2y = 8

-3 + 3y +2y = 8

collect the like terms

-3 + 5y = 8

5y = 8 + 3

5y = 11

divide both sides by the coefficient of y

5y/5 = 11/5

y = 2.2

put the value y = 2.2 into equation 3

x = -1 + y....................................... equation 3

x = -1 + 2.2

x = 1.2

therefore th value of x is 1.2 and y is 2.2

6 0
3 years ago
Find area of circle use 3.14 for pie a horse ring has the radius of 10 yards
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What is 365 divided by 30
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In order to find this you must divide 365 by 30 to get a final answer of 12.17.
8 0
4 years ago
Read 2 more answers
Subtract 4 from 1/6 of 42
ivanzaharov [21]
\frac{1}{6} \times 42 - 4= \frac{42}{6}-4 = 7-4=3
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