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3 years ago

Will give Thanks! Please Help!

Mathematics

2 answers:

Natalija [7]3 years ago

6 0

X=7 you use proportions. If you take one side length, such as 24 and 32 you will see that the polygon with a side of 24 is 3/4 the length of the polygon of 32. So you can say that 6/? = 3/4. Since 3 is half of 6, we can double 3 and 4 to get 6/8. Since the length of the side is subtraction of one, it would be 7

Lady bird [3.3K]3 years ago

5 0

Look at the left side of the polygon. Since they are both real numbers, we can use those to set up a proportion:

16:12=(x-1):6

Now, we can cross multiply and solve:
96=12(x-1)
96=12x-12
108=12x
9=x

The value of x is 9

Hope this helped!

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Jefferson Middle School needs to see a 300% gain in PTO fundraiser

Ronch [10]

Given parameters:

Percentage gain = 300%

Selling cost last year = $2420

Unknown:

Selling cost this year = ?

Solution:

To solve this problem;

Profit percent = $\frac{Selling cost this year - Selling cost last year}{Selling cost last year} x 100$

300 = $\frac{S - 2420}{2420} x 100$

3 = $\frac{S - 2420}{2420}$

S- 2420 = 7260

S = $9680

To make a 300% gain, Jefferson Middle school needs a $9680 from fundraiser sales this year.

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3 years ago

the brightness of the illumination of an object varies inversely as the square of the distance from the object to the source of

Free_Kalibri [48]

I=k/d^2

4=k/d^2 and 1=k/64 so if we divide the first by the second we get:

4/1=(k/d^2)/(k/64)

4=(k/d^2)*(64/k)

4=64/d^2

d^2=64/4

d^2=16

d=4 meters

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3 years ago

Identify the radius of the circle whose equation is x^2 + y^2 = 36.

pantera1 [17]

Answer:

radius = 6

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ←r is the radius

x² + y² = 36 ← is in this form

with r² = 36 ⇒ r = $\sqrt{36}$ = 6

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3 years ago

What is the slope of the line shown below?<br> y=1/3x-3

inysia [295]

Answer:

slope=1/3

Step-by-step explanation:

the equation is in slope-intercept form (y=mx+b) and m always equals slope in that equation, so in your equation m=1/3, so slope=1/3

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3 years ago

PLEASE HELP ASAP WILL MARK BRAINLIEST

nikdorinn [45]

Answer: 314 mm

Step-by-step explanation:

Area of a circle is π*r^2

r is radius and π is 3.14

here the radius is 10

3.14 * 10^2 = 3.14 * 100 = 314

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2 years ago