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2 years ago

8.15 = e + 6 Solving one step equations Addition and subtraction

Mathematics

1 answer:

Alex Ar [27]2 years ago

7 0

Answer:

e= 2.15

Step-by-step explanation:

Subtract both sides by 6

2.15=e

Thus e is 2.15

Hope this helps!

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Mamont248 [21]

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Step-by-step explanation:

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4 years ago

Quadratic graphs, question attached<br> Please give easy to understand explanations

Lubov Fominskaja [6]

Answer:

1) x = 0, x = 1

2) x = -0.387 , x = 1.721

Step-by-step explanation:

3x² - 3x + 2 = 2

To convert this into the given graph, subtract 3 from both sides, you get

3x² - 3x - 1 = -1

You can find the x values for y = -1 to solve the given equation.

At y = -1, x = 0, 1

3x² - 3x - 1 = x + 1

To solve for this, add a straight line y = x + 1 on the same graph and look for the point of intersections

You'll see the line and the graph meet at two points:

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3 years ago

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Liono4ka [1.6K]

3 might be right to your answer!

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3 years ago

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FromTheMoon [43]

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Step-by-step explanation:

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3 years ago

Satellites KA-1212 and SAL-11 have spotted a UFO. Scientists want to determine its distance from KA-1212 so they can later deter

ch4aika [34]

Answer:

The distance of UFO from KA-1212 is 1229.7 km.

Step-by-step explanation:

We are given that,

Distance between the satellites = 900 km

Angle made by the satellite KA-1212 = 60°

Angle made by the satellite SAL-11 = 75°

So, from the figure below,

The third angle is given by = 180° - (60°+75°) = 180° - 135° = 45°

Then, using the law of sines, we have,

$\dfrac{x}{\sin 75}=\dfrac{900}{\sin 45}\\\\x=\dfrac{900\times \sin 75}{\sin 45}\\\\x=\dfrac{900\times 0.966}{0.707}\\\\x=\dfrac{869.4}{0.707}\\\\x=1229.7$

<h3>Thus, the distance of UFO from KA-1212 is 1229.7 km.</h3>

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3 years ago

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