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Artyom0805 [142]
3 years ago
6

How do u factor..x^2 + 10× - 2400 = 0 ​

Mathematics
2 answers:
Lunna [17]3 years ago
3 0

Answer:

{ \bf{ {x}^{2}  + 10x - 2400 = 0}} \\ { \bf{ \red{it \: has \: no \: rational \: factors}}} \\ x =  - 54.2 \:  \: and \:  \: 44.2

leva [86]3 years ago
3 0
X^2+10•-2400=0
x^2-24000=0
x^2=24000
take the square root of 24000
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To complete a task in 15 days a company needs 4 people each working for 8 hours per day. the company decides to have 5 people ea
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It would take 16 days
explanation
if it takes 15 for 4 people to work 8 hours to complete the task, it would be a total of 480 hours. I multiplied 15x4x8. i multiplied 5x6 to get 30. I have to find the third value so i divided 30 from 480 to get 16.
3 0
4 years ago
What is -4/9*(-7/9)?
seropon [69]
Hello! So both numbers are negative, so the answer will definitely be positive. All you have to do is multiple straight across. 4 * 7 is 28 and 9 * 9 is 81. That’ll make the fraction 28/81. The product is 28/81.
7 0
3 years ago
Ve the equation. 3c + 1 = c +1​
yKpoI14uk [10]
Subtract C in both sides:
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Subtract 1 on both sides
2c = 0

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Hope this helped
4 0
3 years ago
A local coffee shop serves 2/9 as many customers as a shop run by a national coffee chain. The shop run by the chain serves 502
aleksklad [387]

Answer:

116

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502/9*2

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115.6

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The local shop serves about 116 customers a day.

8 0
3 years ago
suppose that two people standing 3 miles apart both see the burst from a firework display.after a period of time ,the first pers
Marrrta [24]

The fireworks display occur at 550.331 ft

The generic equation for a hyperbola provided by: is the best method for solving the problem in this instance.

\frac{y^{2} }{b^{2} } - \frac{x^{2} }{a^{2} } = 1 -

We presume that the y-axis is where the hyperbola's longer axis lies.

In this instance, the sound traveled a total of 1100 meters, and the value of a can be calculated as follows:

2a = 1100

a = 550ft

Given that the two people are 3 miles apart, we can calculate the value of c in feet as follows:  

1 mile = 5280 feet

∴ 3 miles = 15840 ft = c

And this is how we may determine what b is worth:

b^{2} = c^{2} - a^{2}

b^{2} = 15840^{2} - 550^{2}

b^{2} = 250603100

Our equation is thus given by:

\frac{y^{2} }{250603100 } - \frac{x^{2} }{550^{2} } = 1

And for this case we want to find the value of x when y = 3ft=15840ft and solving for x we get,

\frac{15840^{2} }{250603100 } - \frac{x^{2} }{550^{2} } = 1

\frac{15840^{2} }{250603100 } - 1 = \frac{x^{2} }{550^{2} }

1.001- 1 = \frac{x^{2} }{550^{2} }

0.001 = \frac{x^{2} }{550^{2} }

302865.145= {x^{2}

x = 550.331 ft.

The fireworks display occur at 550.331 ft.

Learn more about hyperbola here :

brainly.com/question/14307125

#SPJ1

8 0
2 years ago
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