3 years ago

Combine the like terms to create an equivalent expression: 8t+1+(-4t)+(-6)

Mathematics

2 answers:

Inessa [10]3 years ago

8 0

Answer:

you will get the answer 4t-5

plz mark as brainliest

MaRussiya [10]3 years ago

7 0

Pretty sure it’s 4t+-5

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Answer:

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GOD PLZ HELP:: Find x- and y-intercepts. Write ordered pairs representing the points where the line crosses the axes.

Annette [7]

Answer:

x intercept is (3.75, 0) and y intercept is (0, 2.5)

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4x + 6y - 15 = 0

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3 years ago

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Step-by-step explanation:

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A person standing d=145 centimeters from a mirror notices that the angle of depression from his eyes to the bottom of the mirror

Serggg [28]

The length of the mirror is 64.52 cm

<u>Explanation:</u>

Given:

Distance of the person from the mirror = 145cm

Angle of depression = 14°

Angle of elevation = 11°

Vertical dimension of the mirror = ?

For angle of elevation:

$tan(11) = \frac{AB}{BO}\\ \\0.195 = \frac{AB}{145} \\\\AB = 28.275 cm$

For the angle of depression:

$tan(14) = \frac{BC}{BO} \\\\0.25 = \frac{BC}{145} \\\\BC = 36.25 cm$

Total length of the mirror, AC = AB + BC

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Therefore, the length of the mirror is 64.52 cm

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