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Usimov [2.4K]
3 years ago
15

What are the zeros of the function? g(x)=x2−x−72

Mathematics
2 answers:
frutty [35]3 years ago
8 0

Alright, lets get started.

The given function is x^2 - x - 72.

For finding its zeros, we need to first factor this function and then set it equal to zero.

x^2 - x  -72

(x-9)(x+8)= 0

(x-9) = 0

x = 9

(x+8) = 0

x = -8

Hence the zeros are 9 and -8 of given function. : Answer

Hope it will help :)

noname [10]3 years ago
4 0
It's possible for it to be factored after factoring set both numbers equal to 0 and solve and you should get 9 and -8
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Is this expression equivalent 20 divided by 5 and 5 divided by 20
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no. if you do 5 divided by 20 your answer will be negative

Step-by-step explanation:

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PLEASE HELP MEH! I NEED HELP ASAP
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Planet D

Step-by-step explanation:

1.5*10^9 = 1,500,000,000

1.07*10^8 = 107,000,000

5.7*10^7 = 57,000,000

2.29*10^6 = 2,290,000

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A grocery sold 5kg of wheat flour at Rs30 per kg and gained 20%. If he had sold it at Rs27 per kg, what would be his gain or los
maria [59]

Answer:

His gain percent would have been 8%

Step-by-step explanation:

The key to answering this question is to first calculate the price at which the wheat flour was bought.

Mathematically;

% profit = (selling price-cost price)/cost price * 100%

Let the cost price be $x

Thus;

% profit = (30-x)/x * 100

20 = 100(30-x)/x

20x = 3000-100x

100x + 20x = 3000

120x = 3000

x = 3000/120

x = Rs 25

So let’s assume he sold at Rs 27

His profit would have been 27-25 = 2

His gain or loss percentage would’ve been;

2/25 * 100/1 = 200/25 = 8% (gain, since selling price is greater than the cost price)

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3 years ago
Jake wanted to measure the height of the Great Sphinx of Giza. He placed a mirror on the ground and then walked backwards until
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Jake wanted to measure the height of the Great Sphinx of Giza. He placed a mirror on the ground and then walked backwards until he was able to see the top <span>of the statue in the mirror. If his eyes were 5.5 feet above the ground, the statue is 87 ft. The answer is letter B.</span>
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4 years ago
Please help me with this question
BartSMP [9]

Answer:

3x-28=2x+25\\x=53

Step-by-step explanation:

Parallel lines cut by a transversal are two lines which do not cross intersected by a third line. Because lines such as m and n are parallel, we have angles which are equal to each other.

  • Corresponding Angles - angles located in the same position in each intersection. Can be shown by translating or sliding the angle down/up.
  • Alternate Interior Angles - angles located inside the parallel lines across the transversal. Can be shown by reflecting and translating or rotation.
  • Alternate Exterior Angles - angles located outside the parallel lines across the transversal. Can be shown by reflecting and translating or rotation.
  • Vertical angles - angles across a vertex from one another. Can be shown by reflection.

The angles shown here are located outside the parallel lines and across the transversal from each other. Therefore we have Alternate Exteroir angles and can set them equal to each other to solve for x.

3x-28=2x+25\\3x-2x-28=2x-2x+25\\x-28=25\\x-28+28=25+28\\x=53

We check our work and should get equal angles:

3(53)-28=2(53)+25\\159-28=106+25\\131=131

4 0
4 years ago
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