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denpristay [2]
3 years ago
14

Factor completely 121x2 − 16.

Mathematics
2 answers:
hammer [34]3 years ago
8 0
Assuming you meant the x2 as x squared, then:

(11x+4)(11x-4)
Olin [163]3 years ago
6 0
The factoring of 121x^2 (squared)-16 equals <span>(11x-4)x(11x+4)</span>
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CAN SOMEONE PLEASE HEALP MEEEEEEE A rectangle has an area of 24 square units and a side length of 2 3/4 units. Find the other si
Trava [24]

Answer:

12

Step-by-step explanation:

Using the formula

A=wl

Solving for l

1=a/w=24/2=12

3 0
3 years ago
Find the value of r (5,9) (r,7) m=-4
jolli1 [7]

Answer:

r = 11/2

Step-by-step explanation:

m = slope

slope, m = (y2 - y1)/(x2 - x1)

-4 = (7 - 9)/(r - 5)

cross multiply

-4(r - 5) = 7 - 9

clearing brackets

-4r + 20 = -2

-4r = -22

r = 22/4 = 11/2

6 0
3 years ago
Determine the perimeter of this shape.
Sindrei [870]

Answer: perimeter = 70.54 cm

Step-by-step explanation:

Perimeter of a shape is the distance around it.

Perimeter of the arc of the bigger semicircle is

π × r

= 3.14 × 7 = 21.98 cm

Perimeter of the arc of the smaller semicircle(handle) is

π × r

= 3.14 × 3 = 9.42 cm

Perimeter of the arc of the smallest semicircle(inner part of the handle) is

π × r

= 3.14 × 1 = 3.14 cm

Therefore, the perimeter of the shape would be

21.98 + 9.42 + 3.14 + 7 + 7 + 10 + 10 + 2 = 70.54 cm

5 0
3 years ago
Find the value of x.<br> B.<br> X+2<br> 3<br> E<br> Х<br> 2<br> С<br> А<br> x = [?]
Alik [6]

Answer:

The simplest form of the function is f(x) = x2. The graph is a parabola often called the basic parabola. Notice that the graph is symmetrical about the y- axis. The y- axis is called the axis of symmetry of this function

8 0
3 years ago
Please help i’m so confused LMC of 9, 12 and 24
julia-pushkina [17]

Answer:

The LCM of 9, 12, and 24, is <em>72.  </em>

Step-by-step explanation:

To find the answer you must figure out the factors of <em>each number</em>, and see which factor has the <em>same number.</em>  

<u><em>Factors of 9: </em></u>         <u><em>Factors of 12:</em></u><em>        </em><u><em>Factors of 24: </em></u>

     <em>  9                            12                          24</em>

<em>        18                          24                          48</em>

<em>        27                          36                         72</em>

<em>        36                          48</em>

<em>        45                          60</em>

<em>        54                          72</em>

<em>        63</em>

<em>        72</em>

When we look at all these factors, none of them have the same number <em>except 72.</em>  Since <em>all</em> of these factors have <em>72 in them</em>, this is the<em> </em>LCM of 9, 12, and 24.

7 0
3 years ago
Read 2 more answers
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