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postnew [5]
3 years ago
15

inches? What is the side length of an equilateral triangle with a perimeter of 36 36% inches B 181 inches C121 inches D 122 inch

es
Mathematics
1 answer:
vova2212 [387]3 years ago
3 0

Answer:

12 inches

Step-by-step explanation:

Equilateral triangle means all sides are equal so you take 36 and divide it by 3 to get 12 inches per side.

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Solve for x x^2+3x<28
Klio2033 [76]
X² + 3x < 28
x² + 3x - 28 < 0
(x+7)(x-4) < 0

the zeros will be at x = -7  and x =4

∴ the solution of inequality
x ∈ (-7,4)

See the attached figure



6 0
3 years ago
A theater group made appearances in two cities. The hotel charge before tax in the second city was $500 lower than in the first.
Mazyrski [523]

Answer:

First city: $5,500

Second city: $5,000

Step-by-step explanation:

Let's define x as the hotel price in the first city and y the hotel price in the second city.  We can start with this equation:

y = x - 500 (The hotel before tax in the 2nd city was $500 lower than in the 1st.)

Then we can say

0.065x + 0.045y = 582.50  (the sum of the tax amounts were $582.50)

We place the value of y from the first equation in the second equation:

0.065x + 0.045 (x - 500) = 582.50

0.065x + 0.045x - 22.50 = 582.50 (simplifying and adding 22.5 on each side)...

0.11x = 605

x = 5,500

The cost of the first hotel was $5,500

Thus, the cost of the second hotel was $5,000 (x - 500)

6 0
3 years ago
Please help and thank you
makvit [3.9K]

Answer:

  • f(x) should be reflected across the y-axis
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Step-by-step explanation:

We imagine Jenessa's elevation plots might look like those in the attachment. The red graph would be of f(x) when preparing for the race, and the green graph would be f(x) during the race.

The green graph is not a simple reflection or translation of the red graph, but is a combination of both. Thus, the two answer choices shown above are both applicable.

8 0
3 years ago
Compare using &lt;, &gt; or =<br> -15_____-21<br><br> A. &lt;<br> B. &gt;<br> C. =
Scilla [17]

the answer is -15 > -21

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3 years ago
Isolate c in the equation a=b(1/c-1/d)
Irina-Kira [14]
A=b/c -b/d
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5 0
3 years ago
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