4 years ago

What are the solutions to x2 - 2x -8=0?

Mathematics

1 answer:

pav-90 [236]4 years ago

4 0

The answer is 2
Add like terms
Add 8 to -8 and the zero
To get 4x=8
Then divide 4 and 8 by 4
To get x=2

You might be interested in

To two decimal places,<br> √70<br> must lie between ____<br> and _____.

Verdich [7]

Answer:

between 8.36 and 8.37

Step-by-step explanation:

$\sqrt{70} =8.3666$

Hope this helps

3 0

2 years ago

A figure in the second quadrant is reflected over the y-axis. In which quadrant will the reflected figure appear?

ANTONII [103]

The reflected figure will appear in quadrant 3, C.

7 0

3 years ago

Suppose that you and two friends go to a restaurant, which last month filled approximately 91.7 % of the orders correctly. comp

MrMuchimi

77.1% chance that all 3 orders are correct.
For three independent events to find the probability of each one occurring we multiply the probabilities together. .917*.917*.917 = .77109 or 77.1 percent chance of all three outcomes being favorable.

5 0

3 years ago

I need help! ASAP!!!

Arisa [49]

Answer:

Step-by-step explanation:

The formula of a surface area of a rectangular prism:

$S.A.=2(lw+lh+wh)$

l - length

w - width

h - height

We have l = 15 mm, w = 3 mm, h = 4 mm. Substitute:

$S.A.=2(15\cdot3+15\cdot4+3\cdot4)=2(45+60+12)=2(117)=234$

4 0

3 years ago

Adam has 16.45 kg of flour, he uses 6.4 kg to make hot cross buns. The remaining flour is exactly enough to make 15 batches of s

Doss [256]

Answer:

Each batch of scones needed 0.67 kg of flour

Step-by-step explanation:

16.45 - 6.4 = 10.05kg (remaining)

15 batches = 10.05kg

1 batch = 0.67kg

6 0

3 years ago