2 years ago

Which of the following ordered pairs is a solution to the equation 2x+6y=6? Select all that apply.

Mathematics

1 answer:

Nadusha1986 [10]2 years ago

8 0

Im pretty sure its -6 and 3

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The area of a pentagon increased by 27 is the same as four times the area of the pentagon, minus 15. What is the area of the pen

aleksklad [387]

Equation
a + 27 = 4a - 15
3a - 15 = 27
3a = 42
a = 14

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3 years ago

7.) A man is in a boat that is floating 175 feet from the base of a

Delvig [45]

Answer:

The angle of depression between the cliff and the boat is $48.8141^\circ$

Step-by-step explanation:

Given:

Base width of the cliff=175 foot

Height of the cliff= 200 foot= 200 foot

To Find:

The angle of depression between the cliff and the boat=?

Solution:

Angle of Depression

The angle below horizontal that an observer must look to see an object that is lower than the observer.The angle of depression is congruent to the angle of elevation

$tan( y )= \frac{opposite}{adjacent}$

Substituting the values,

$tan( y )= \frac{200}{175}$

$tan( y )= 1.14$

$y= tan^{-1}(1.14)$

$y=48.8141^\circ$

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3 years ago

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zzz [600]

Answer:

x² + 12x + 35

Step-by-step explanation:

The area of the blue section is x * x = x².

Pink: x * 7 = 7x

Green: x * 5 = 5x

Orange: 7 * 5 = 35

When we add these up we get x² + 12x + 35. Hope this helps!

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3 years ago

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Answer:

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3x+2y=10 Solve the equation for y

Irina-Kira [14]

Answer:

y=-3/2x+5

Step-by-step explanation:

3x+2y=10

2y=10-3x

2y=-3x+10

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3 years ago

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