2 years ago

Solve. Check for extraneous solutions. (x-2)^(1/2) - (28 - 2x)^(1/4) = 0

Mathematics

1 answer:

Bingel [31]2 years ago

3 0

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The length of a rectangle is 3 times its width. The perimeter is 39. Find the length and width of the rectangle.

nata0808 [166]

Answer:

Let width of rectangle be x cm.

3x+x+3x+x=39

8x=39

x=39÷8

=39/8

=4/7/8

3x=39/8×3

=117/8

=14/5/8

Hence, length=14/5/8cm while width=4/7/8cm.

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2 years ago

Please help hurry fast thanks

Ray Of Light [21]

Answer: No

Step-by-step explanation:

If he spent 30 minutes making 1 boat, then it would take him two hours to make it

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M is the midpoint of AB. find the coordinates of B if M= (-1,1) and A= (2,6)

fenix001 [56]

The other coordinate B is = (-4,-4)

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2 years ago

Factor of 4-(2a+3b)^2

Anna71 [15]

$4-(2a+3b)^2$

$(2a+3b)^2 :$

$4a^2+12ab+9b^2$

$= 4-(4a^3+12ab+9b^2)$

$=-(4a^2)-(12ab)-(9b^2)$

apply minus - plus rules :

$+(-a)=-a$

Refine:

$=-4-4a^2-12ab-9b^2$

<span>hope this helps!</span>

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2 years ago

change in the position of the hand with the angle made by the change. The minute hand moves from 2 to 9. The minute hand moves f

lys-0071 [83]

Answer:

2–9 7π/6
3–7 2π/3
4–6 π/3
1–4 π/2
5–10 5π/6

Step-by-step explanation:

The angle between numbers on an analog clock is π/6 radians. So, the angles of interest are ...

2 to 9 : seven numbers : 7π/6 radians

3 to 7 : four numbers : 4π/6 = 2π/3 radians

4 to 6 : two numbers : 2π/6 = π/3 radians

1 to 4 : three numbers : 3π/6 = π/2 radians

5 to 10 : five numbers : 5π/6 radians

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2 years ago