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3 years ago

Convert 77/200 into a decimal

Mathematics

1 answer:

Marrrta [24]3 years ago

7 0

0.385 because if you divide it, the answer is 0.385

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I will give branlyest 2/11 ≥ 4/25 true false

scZoUnD [109]

Answer:

True. 2/11 is greater than 4/25

Step-by-step explanation:

Hope that helps!

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2 years ago

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Solve |z - 8| = 4 please

bezimeni [28]

Answer:

Step-by-step explanation:

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3 years ago

Convert from rectangular to polar coordinates: note: choose rr and θθ such that rr is nonnegative and 0≤θ<2π0≤θ<2π (a)(9,0

DochEvi [55]

Answer:

Step-by-step explanation:

Convert rectangle (x , y) to polar coordinates ( r , θ)

$x=r \cos \theta, y= r \sin \theta$

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

a) converts (9, 0) to polar coordinates ( r , θ)

$r=\sqrt{x^2+y^2} \\\\=\sqrt{9^2+0} \\\\=9$

$\theta= \tan^-^1 (\frac{0}{9} )\\\\=0$

b) Convert $(18,\frac{18}{\sqrt{3} } )$ to polar coordinates ( r, θ)

$r = \sqrt{18^2+(\frac{18}{\sqrt{3} })^2 } \\\\=\sqrt{324+108} \\\\=\sqrt{432}$

$\frac{x}{y} \theta = \tan^-^1(\frac{\frac{18}{\sqrt{3} } }{18} )\\\\= \tan ^-^1(\frac{1}{\sqrt{3} } )\\\\= \frac{\pi}{6}$

c) converts (-5, 5) to polar coordinates ( r , θ)

$r =\sqrt{(-5)^2+(5)^2} \\\\=\sqrt{50} \\\\=5\sqrt{2}$

$\theta=\tan^-^1(\frac{5}{-5} )\\\\= \tan^-^1(-1)\\\\=\frac{3\pi}{4}$

d) converts (-1, √3) to polar coordinates ( r , θ)

$r=\sqrt{(-1)^2+(\sqrt{3})^2 } \\\\= \sqrt{4} \\\\=2$

$\theta=\tan^-^1(\frac{\sqrt{3} }{-1} )\\\=\tan^-^1(-\sqrt{3} )\\\\=\frac{2\pi}{3}$

$= \frac{2\pi}{\sqrt{3} }$

6 0

3 years ago

Find the length of diagonal AC in the rectangle at the right show you’re work plss

ivolga24 [154]

Answer:

Step-by-step explanation:

Let 10 be a, and 24 be b, and the undefined hypotenuse be c.

$a^2 + b^2 = c^2$

$10^2 + 24^2 = c^2$

100 + 576 = c

c = 676

$\sqrt{100} + \sqrt{576} = \sqrt{676}$

$10^2 + 24^2 = 26^2$

c = 26

The value of the undefined line is 26.

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3 years ago

Solve -np-80<60 for n. Show your work. Solve 2a-5d=30 for d. Show your work.

xz_007 [3.2K]

$-np-80 < 60\qquad\text{change the signs}\\\\np+80$

------------------------------------------------------

$2a-5d=30\qquad\text{subtract 2a from both sides}\\\\-5d=-2a+30\qquad\text{change the signs}\\\\5d=2a-30\qquad\text{divide both sides by 5}\\\\d=0.4a-6$

8 0

3 years ago