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tangare [24]
3 years ago
14

Plz help give brainliest

Mathematics
1 answer:
Lelu [443]3 years ago
8 0
The equation ax^2+bx+c=0 has it's solutions given by x= \frac{-b \pm \sqrt{b^2-4ac}}{2a}. This is the quadratic formula.

Looking at your equation we see a=1; b=-3 and c=-6 so by the quadratic formula,
x = \frac{-(-3) \pm \sqrt{(-3)^2-(4 \times 1 \times -6)}}{2 \times 1} = \frac{3 \pm \sqrt{9+24}}{2}

I'm sure you can work out what 9+24 is and so find the correct option :)
You might be interested in
a white-tailed deer can sprint at speeds up to 30 miles per hour. American bison can run at speeds up to 3,520 per minute. Which
guajiro [1.7K]
For the answer to the question above,
In 1 minute, bison runs 3520 feet
In 60 minutes, the bison would run
3520*60 feet
211200 feet per hour.
These are equivalent to;
40 miles per hour since 1 mile is equivalent to 5280 feet.
The bison is faster by 10 miles per hour
Then If you convert the bison's speed to mph you get that it can run at speeds up to 40 mph.

I got this by seeing how many feet that they run in one hour so 3520 x 60 is 211200 which divided by 5280 is 40 mph.

I hope my answer helped.
5 0
3 years ago
Read 2 more answers
Find the area of the trapezoid.
mrs_skeptik [129]

Answer:

40cm^2

Step-by-step explanation:

A=a+b/2×h

A=6+10/2*5

A=16cm/2*5cm

A=8cm*5cm

A=40cm^2

6 0
4 years ago
Please help tell me what i put on estimate and product
ololo11 [35]

Answer:

You should have it right I checked the math the product is right and the estimate would mate sense so that should be right

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
The area of triangle xyz is 35 cm. the height is 10cm. what is the base of the triangle?
I am Lyosha [343]
Area of Triangle=1/2(h x b)
35=1/2(10 x b)
35=5 x b
35=5b
7cm=b is the base of the triangle
5 0
3 years ago
..A tin of paint was 2/3 litres full. Tom used 1/2 of
nordsb [41]

Multiply the amount of paint started with by the amount used:

2/3 x 1/2 = (2 x 1) / (3 x 2) = 2/6 = 1/3

There is 1/3 liter left

5 0
3 years ago
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