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3 years ago

PLEASE HELP !! ILL GIVE BRAINLIEST !!

Mathematics

2 answers:

olganol [36]3 years ago

8 0

Answer:

definition :When two lines are crossed by another line (which is called the Transversal), the angles in matching corners are called corresponding angles.

the 4 pairs of corresponding angles:

angle 1 and angle 5
angle 2 and angle 6
angle 3 and angle 7
angle 4 and angle 8

8090 [49]3 years ago

6 0

Answer:

2 and 6, 4 and 8, 1 and 5, 3 and 7

Step-by-step explanation:

The angle rule of corresponding angles states that the corresponding angles are equal if a transversal cuts two parallel lines.

In this example, lines m and l are two parallel lines

line n cuts through both, making every other angle corresponding and congruent, etc...

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Simplify the complex fraction 4/5 2/3 can someone pls help me:)

Debora [2.8K]

4/5 simplified is 0.8
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3 years ago

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Which is equivalent to 80^1/4x

frozen [14]

$80^\frac{1}{4}x=x\sqrt[4]{80}=x\sqrt[4]{16\cdot5}=x\sqrt[4]{16}\cdot\sqrt[4]5=2x\sqrt[4]5$

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3 years ago

The quadratic function d= -4x+1,100 models a snowboarder's distance, in feet, from the bottom of a hill x seconds after the snow

Fynjy0 [20]

Answer:

16 seconds (Approximately)

Step-by-step explanation:

Given:

The function that gives the distance of snowboarder from the bottom of hill with time 'x' is:

$d=-4x^2+1100$

Final position of the snowboarder is $d=100\ ft$

Now, plugging in 100 for 'd' and solving for 'x', we get:

$100=-4x^2+1100$

Adding -1100 both sides, we get:

$100-1100=-4x^2+1100-1100\\-1000=-4x^2$

Dividing both sides by -4, we get:

$\frac{4x^2}{4}=\frac{1000}{4}\\x^2=250$

Taking square root and neglecting the negative root as time can't be negative. So,

$\sqrt{x^2}=\sqrt{250}\\x=5\sqrt{10}=15.8\ s\approx 16\ s$

Therefore, after 16 seconds, the snowboarder will be at a distance of 100 ft from bottom of hill.

7 0

3 years ago

A plumber and his assistant work together to replace the pipes in an old house. The plumber charges $30 an hour for his own labo

Korvikt [17]

Answer:

The plumber worked 50 hours, and his assistant worked 25 hours.

Step-by-step explanation:

Since a plumber and his assistant work together to replace the pipes in an old house, and the plumber charges $ 30 an hour for his own labor and $ 20 an hour for his assistant's labor, and the plumber works twice as long as his assistant on this job, and the labor charge on the final bill is $ 2000, to determine how long did the plumber and his assistant work on this job the following calculation must be performed:

40 x 30 + 20 x 20 = 1200 + 400 = 1600

50 x 30 + 25 x 20 = 1500 + 500 = 2000

Therefore, the plumber worked 50 hours, and his assistant worked 25 hours.

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2 years ago

How to solve this equation 18.5 = -4.5 + 7(k + 6)

yawa3891 [41]

1. Add -4.5 to 18.5
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3 years ago

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