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Stolb23 [73]
3 years ago
10

Please help if you would want BRAINLEIST Thank You! ^ ^

Mathematics
1 answer:
Sedaia [141]3 years ago
7 0

Answer: whats the question?

Step-by-step explanation:

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HELP PLZ
Alexxandr [17]

Answer:

x=\frac{-7-\sqrt{17}}{2}\textrm{ or }x=\frac{-7+\sqrt{17}}{2}

Step-by-step explanation:

Given:

The equation is given as:

x^2=-7x-8

Rearrange the above equation in standard quadratic equation of the form ax^2+bx+c=0

Adding 7x + 8 on both sides, we get

x^2+7x+8=0

Here, a=1,b=7,c=8

Now, we solve this using quadratic formula,

x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}\\x=\frac{-7\pm \sqrt{7^2-4(1)(8)}}{2(1)}\\x=\frac{-7\pm \sqrt{49-32}}{2}\\x=\frac{-7\pm \sqrt{17}}{2}\\\\\\\therefore x=\frac{-7-\sqrt{17}}{2}\textrm{ or }x=\frac{-7+\sqrt{17}}{2}

7 0
4 years ago
Read 2 more answers
Mrs brown used 3 3/4 liters of water to completely fill 3 water bottles.If each water bottle holds the same amount, how many lit
Svetradugi [14.3K]

Answer:

Each bottle could hold \frac{5}{4}\ liters of water.

Step-by-step explanation:

Given:

Total amount of water = 3\frac{3}{4}\ liters

Now 3\frac{3}{4}\ liters can be rewritten as \frac{15}{4}\ liters.

Total amount of water = \frac{15}{4}\ liters.

Total number of water bottles = 3

We need to find amount of water in each bottle.

Solution:

Now we can say that;

amount of water in each bottle can be calculated by dividing Total amount of water from Total number of water bottles.

framing in equation form we get;

amount of water in each bottle = \frac{\frac{15}{4}}{3}= \frac{15}{4\times3}=\frac{5}{4}\ liters

Hence Each bottle could hold \frac{5}{4}\ liters of water.

4 0
3 years ago
A rental car company charges $60.00 just to rent a car, and $70.00 for each day you keep the car.
slava [35]

Answer:

$200

Step-by-step explanation:

70 x 2 = 140.00 + 60.00 = $200

8 0
3 years ago
Read 2 more answers
Given the equation f(x) = (x + 3)2 – 8, fill in the blanks:
telo118 [61]
Axis of symmetry -3 and -8 or 3 and -8 

6 0
3 years ago
Find the value of -7 - 8 - (-8) - 7.<br><br> A) -30<br> B) 14<br> C) 0<br> D) -14
sergey [27]
I got c but I might be wrong
8 0
3 years ago
Read 2 more answers
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