3 years ago

0.03 divided into 0.039

Mathematics

2 answers:

Vlad [161]3 years ago

5 0

Answer:

10/13

Step-by-step explanation:

0.03/0.039=30/39=10/13

Anestetic [448]3 years ago

3 0

The Answer will be 1.3

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Find the estimates of x^2-x-2=3

Julli [10]

Answer:

$x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79$

Step-by-step explanation:

Given

Quadratic equation is

$x^2-x-2=3\\x^2-x-5=0$

Roots of the quadratic equation $ax^2+bx+c=0$ are

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

So, for the given equation roots are

$x=\frac{1\pm\sqrt{(-1)^2-4(1)(-5)}}{2\cdot 1}\\x=\frac{1\pm\sqrt{21}}{2}\\so, x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79$

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2 years ago

$1.66 x 100 = ? I can't seem to find the correct answer and I must show my work

crimeas [40]

Answer:

166

Step-by-step explanation:

5 0

3 years ago

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Price of pizza increased from $6 to $9. What is the percent of increase in price?

horrorfan [7]

33% is ur answer

sourse: Yahoo m8

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3 years ago

In point slope form: passes through (1, -3), slope = -1?

sleet_krkn [62]

Answer:

y + 3 = -1(x-1)

Step-by-step explanation:

sub (1, -3) and slope = -1:

y - (-3) = -1(x - 1)

Topic: Coordinate Geometry

If you would like to venture further, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

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3 years ago

An engineer is standing 250 meters away from a building. She measures the angle of elevation to the top of the building to be 30

RSB [31]

Answer:

144m

Step-by-step explanation:

we would used tan 30 to determine the height of the building

tan 30 = opposite / adjacent

0.5774 x 250 = 144m

3 0

3 years ago