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3 years ago

Your yard is 50.8 feet wide by 75.4 feet long how many feet of fencing should you buy to enclose the entire yard

1 answer:

8 0

This is the measure of perimeter. P = 2l + 2w. P = 2(75.4) + 2(50.8) That tells us that we have to buy 252.4 feet of fencing.

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F(y)=2y^3-y^2+2y-1/y^3-y^2+y-1 and g(y)=2y^2-3y+1/4y^2-4y+1

ICE Princess25 [194]

Answer:

16y +14x

Step-by-step explanation:

2y+4y+=6y

5x+12x=17x

17x-4

4 0

2 years ago

Maria has $120 in her checking account. After depositing her paycheck of $215, she writes a check for $255 to cover her portion

Veseljchak [2.6K]

Answer:

Maria will have no money left. She will have a negative amount of money.

Step-by-step explanation:120+215= 335-255= 80-294= -214

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2 years ago

A butterfly starts at 20 m and changes -16m ?

miskamm [114]

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Step-by-step explanation:

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Maybe brainliest?

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2 years ago

PLEASE HELP WILL GIVE BRAINLIEST PRECALC

nexus9112 [7]

Answer:

$270^o$ and $450^o$

Step-by-step explanation:

Recall that $\frac{\sqrt{2} }{2}$ is a value of the function cosine for the special angles: $135^o$ and $225^o$ , then:

$\frac{x}{2} =135^o\\x=270^o\\or\\ \frac{x}{2} =225^o\\x=450^o\\$

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3 years ago

Convert the polar coordinates (-3, -60°) to Cartesian coordinates.

notsponge [240]

Answer:

(1.5,-2.6)

Step-by-step explanation:

Given the polar coordinates (-3,60°).

Let our Cartesian coordinates be (x,y)

#We know that when converting the rectangular coordinates (x,y) to polar (r,θ), then:

$r=\sqrt{x^2+y^2}\\\\\therefore r^2=x^2+y^2\\\\\theta=tan^{-1}(y/x)\\\therefore tan \theta=y/x$

#Using the illustration above, we can express our polar coordinates as:

$-3=\sqrt{x^2+y^2}\\\\-60\textdegree=tan^{-1}(y/x}$

#Solve simultaneously to solve for x and y:

$(-3)^2=x^2+y^2\ \ \ \ \ \ \ \ \ \ i\\\\tan(-0\texdegree)=y/x\ \ \ \ \ \ \ \ ...ii\\\\y=x\ tan(-60\textdegree)\ \ \ \ \ \ \ ...iii\\\\\#substitute\ y \ in\ i\\\\(-3)^2=x^2+(x \ tan (-60\textdegree))^2\\\\9=x^2+3x^2\\\\x=\sqrt{9/4}=1.5\\\\y=1.5\ tan(-60\textdegree)=-2.5981\approx-2.6$

Hence, the Cartesian coordinates are (1.5,-2.6)

6 0

2 years ago