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Natali5045456 [20]
3 years ago
11

The quadratic equation using the quadratic formula

Mathematics
2 answers:
notka56 [123]3 years ago
8 0
The quadratic formula:

x =  \frac{-b+ \sqrt{b^2-4ac} }{2a}

(except + symbol at top is plus/minus.)
worty [1.4K]3 years ago
3 0

Answer:

X^2 + 2x = 6

Step-by-step explanation:

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What is the value of this expression?<br> 1/6 ÷ 12
stiks02 [169]

Answer:

0.01388888888

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A submarine cuts through the water at an elevation of 203 meters under the sea. The sub rises, and the elevation changes by 4.3
maw [93]
The answer is -76.1 meters.

The submarine elevation before rising is -203 meters (it is negative because it is under the sea level which has 0 elevation): d₁ = -203 m
After the first rising, it moved 64.5 m: l₁ = 4.3 · 15 = 64.5 m
After the second rising, it moved 62.4 m: l₂ = 5.2 · 12 = 62.4 m

So, to calculate the elevation of the submarine after rising (d₂), we will add (because it is not going deeper, it rises toward the elevation of 0) two movements to the elevation before rising:
d₂ = d₁ - (l₁ + l₂) = -203 + (64.5 + 62.4) = -203 + 126.9 = -203 + 126.9 = -76.1.
5 0
3 years ago
To multiply a decimal number by 100,
aleksley [76]

Answer:

move the decimal point two points to the right

3 0
4 years ago
In the first quadrant you start at 2,4 and move 5 units right
NikAS [45]

Answer:

Thanks for asking!

Step-by-step explanation:

(2,9)

5 0
3 years ago
Work out m and c for the line:<br> y = X – 2
RUDIKE [14]
Y = mx + c therefore
m = 1
c = -2
4 0
3 years ago
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