2 years ago

Click on the measure that is equivalent to 3 kilometer

Mathematics

1 answer:

Ronch [10]2 years ago

4 0

Answer:

optionc .3,000 metres.

hope it helps you.

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If the measure of FGH IS 64º and the measure of EGD is (4x+8), what is the value of x?

Ugo [173]

$\\ \sf\longmapsto 4x+8=64$

$\\ \sf\longmapsto 4x=64-8$

$\\ \sf\longmapsto 4x=56$

$\\ \sf\longmapsto x=\dfrac{56}{4}$

$\\ \sf\longmapsto x=14$

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2 years ago

It is given that y is inversely proportional to the square of x and that y=48 when x=<img src="https://tex.z-dn.net/?f=%5Cfrac%7

Anna [14]

Answer:

$a. y = 12\times \frac{1}{x^2} \\b. x = 2 , when \ y =3$

Step-by-step explanation:

$y \ is\ inversely \ proportional \ to \ square \ of \ x \ means , y \ \alpha \ \frac{1}{x^2}$

$Therefore, y = k \times \frac{1}{x^2}$

Given y = 48, x = 1/2. We will find k.

$y = k \times \frac{1}{x^2}\\\\48 = k \times \frac{1}{\frac{1}{4}}}\\\\k = 48 \times \frac{1}{4} =12$

Find x.

$y = k \times \frac{1}{x^2} \\\\3 = 12 \times \frac{1}{x^2}\\\\\frac{3}{12} = \frac{1}{x^2}\\\\x^2 = \frac{12}{3}\\\\x^2 = 4 \\\\x = 2$

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2 years ago

Choose the equations that are equivalent. Select all that apply.

Nadusha1986 [10]

Answer:

A. 52 = 8n +4

C. 4 = 52 - 8n

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3 years ago

The perimeter of a rectangle is 34 units and its width is 6.5 units

IgorC [24]

Since you technically didn't ask for anything to be solved for, this problem is now solved. Since these types of problems are normally solving for legnth if width is given and vice versa, I will solve for legnth.

perimiter=legnth+legnth+width+width or
p=l+l+w+w
p=2l+2w
subsitute w=6.5 and p=34
34=2l+2(6.5)
34=2l+13
subtract 13 from both sides
21=2l
divide by 2
10.5=l

legnth=10.5 units

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