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joja [24]
3 years ago
14

Why is this question marked wrong becuase idont get it can u explain it for me

Mathematics
2 answers:
Dima020 [189]3 years ago
8 0
72 / (1/3) =
72 * 3 =
216 words per minute because 72 divided by 1/3 is 216
kap26 [50]3 years ago
5 0
72 times 3
               ----
                 1

= 216/1
= 216
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D = 8a The variable a represents the number of attendees, and the variable d represents the cost in dollars. At most how many at
suter [353]

Answer: At most 9  attendees can be there.

Step-by-step explanation:

Given equation:<em> d = 8a</em> , where <em>a</em> represents the number of attendees, and the variable <em>d </em>represents the cost in dollars.

To find : the number of attendees, if Will budgets a total of $72 for his graduation picnic.

72=8a

⇒ 9 = a  [divide both sides by 8]

∴ a= 9

Hence, at most 9  attendees can be there.

4 0
3 years ago
A cell tower is located at and transmits a circular signal that covers three major cities. The three cities are located on the c
Lelu [443]

Answer:

(x+8)^2 +(y-4)^2 = 25

Step-by-step explanation:

Assuming this complete problem: "A cell tower is located at (-8, 4) and transmits a circular signal that covers three major cities. The three cities are located on the circle and have the following coordinates: G (-4, 7), H (-13, 4), and I (-8, -1). Find the equation of the circle"

For this case the generla equation for the circle is given by:

(x-h)^2 +(y-k)^2 = r^2

From the info we know that the tower is located at (-8, 4) so then h = -8 and k = 4, so then we need to find the radius. So we have the equation like this:(x+8)^2 +(y-4)^2 = r^2

If the 3 points are on the circle then satisfy the equation. We can use the first point (-4,7) and if we replace we can find the value for r^2

(-4+8)^2 +(7-4)^2 =25= r^2

So then r = \sqrt{25}=5

And if we replace the second point we got this:

(-13+8)^2 +(4-4)^2 = 25 =r^2

And for the third point we have:

(-8+8)^2 +(-1-4)^2 = 25 =r^2

And we got the same result.

So then our final equation is given:

(x+8)^2 +(y-4)^2 = 25

4 0
4 years ago
Complete the equation of variation where y varies inversely as x and y = 0.125 when x = 8.
patriot [66]
Complete the equation of variation where y varies inversely as x and y = 0.125
when x=8

3 0
3 years ago
What is the area of a rectangle if one side has a length of 12x^3 and
mojhsa [17]

Answer:

The area of this rectangle is 72x^5

Step-by-step explanation:

A = l ∙ w

Let, l = length

Let, w = width

Step 1: Substitute the length and width for the two given values

    1. A = (12x³)(6x²)

Step 2: Multiply

    1. A = 72x^5

   

3 0
2 years ago
Simplify this expression 13+(-12)-(-5)
omeli [17]

The answer is 6

Explaination:

7 0
3 years ago
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