Answer:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
Exact Form:
x
=
25
+
√
130
3
,
25
−
√
130
3
Decimal Form:
x
=
12.13391808
…
,
4.53274858
…
Step-by-step explanation:
C meaning circumference is equal to 3.14, or pi times the diameter, which is D.
To answer, allow the width of the frame to be represented by x. The dimensions of the frame should then be, 11+2x and 6+2x. Subtracting the area of the inside of the frame from the area of the outside should be able to give us 18 cm². The equation,
(11 + 2x)(6 + 2x) - (11)(6) = 18
The value of x from the equation is equal to 0.5. Thus, the width of the frame should be 0.5 cm.
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<em><u>P=I</u></em><em><u> </u></em><em><u>*</u></em><em><u>1</u></em><em><u>0</u></em><em><u>0</u></em><em><u>/</u></em><em><u>T</u></em><em><u> </u></em><em><u>*</u></em><em><u>R</u></em>
<em><u> </u></em><em><u>Hope</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>help</u></em><em><u> </u></em><em><u>u</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
For this question, let's use algebra!
<u>2.5 miles</u> = <u>50 minutes</u>
1 mile x minutes
x minutes = 50 x 1 ÷ 2.5
x minutes = 20
Hope this helps!
