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3 years ago

the length of marshall's rectangular poster is 2 tomes its width. if the perimeter is 24 inches what is the area of the poster

1 answer:

5 0

The answer is 24. There is 2 width sides and 2 length sides. Let's say the width measurement is x. The 2 sides for width equals 2x. The 2 length sides equals 4x because there twice has long has the width which means that each length side is 2x. 2x plus 4x equals 6x. 6x=24 You divided 24 with 6 which gives you 4. That means that both width sides are 4 units long and the length sides are 8 units long. 4+4+8+8=24, 4 times 8=24

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The equation below shows the total volume (V), in cubic units, of 9 identical boxes with each side equal to s units:

timurjin [86]

36.864 cubic units is what the answer is

3 0

3 years ago

It is given that cos 0 = -0.4209 and 0° 0 < 360°. Calculato the values of 0

beks73 [17]

Answer:

114.89 degrees

245.11 degrees

Step-by-step explanation:

cos is negative in the second and third quadrant ("pointing" on the x-axis to the left).

so, the first answer for the second quadrant is

114.89 degrees.

the answer for the third quadrant is then backwards the same angles from a full 360 degree rotation

360 - 114.89 = 245.11 degrees

5 0

3 years ago

Please help with number 5. Just ignore the pink pen :)

german

Answer:

The answer is option c

4 0

3 years ago

I don't know how to solve this helpp

Aleksandr-060686 [28]

neverminding the jumbled lingo, is simply asking for the equation of the tangent line at that point, it says all tangents, well, there's only one passing there.

we can simply get the derivative of f(x) and take it from there.

$f(x)=4-x^2+2x\implies \left. \cfrac{df}{dx}=-2x+2 \right|_{x=\frac{3}{2}}\implies -2(\frac{3}{2})+2\implies -1$

since now we know the slope when x = 3/2, then we can just plug that into its point-slope intercept form, along with the coordinates.

$(\stackrel{x_1}{\frac{3}{2}}~,~\stackrel{y_1}{7})~\hfill \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{7}=\stackrel{m}{-1}(x-\stackrel{x_1}{\frac{3}{2}}) \\\\\\ y-7=-x+\cfrac{3}{2}\implies y=-x+\cfrac{17}{2}$

6 0

3 years ago

CAN SONEONE PLEASE HELP ME WITH MY MATH PLEASEEEE!!!!!

AleksAgata [21]

Answer:

x = 20

Step-by-step explanation:

From the Euclidean theorem x^2 = 16 × 25

x^2 = 400

x = 20

6 0

3 years ago