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Oxana [17]
3 years ago
12

A car can travel 80 miles an hour. How many miles will the car travel in 6 3/4 hours?

Mathematics
2 answers:
Hoochie [10]3 years ago
7 0
6 3/4= 6.75

80 mph * 6.75 hours = 540 miles total

Final answer: 540 miles
bezimeni [28]3 years ago
7 0
11 miles.. 80÷6 3/4 = 80÷6.75 = 11.85(and more #s) think of the DST triangle (Distance, Speed, Time triangle)

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sdas [7]
Use the Sum of Angles In a Triangle therom.
8 0
3 years ago
A 20 foot ladder leaning against a wall is used to reach a window that is 17 feet above the ground. How far from the wall is the
GarryVolchara [31]

The bottom of the ladder is 10.5 feet away from the wall

Step-by-step explanation:

The given scenario forms a right triangle.

Where

The length of ladder will be the hypotenuse

The wall on which the window is situated will ebt he perpendicular and

The distance between the foot of ladder and the wall will be the base

So,

Hypotenuse = H = 20 foot

Perpendicular = P = 17 feet

Base = B = ?

Using the Pythagoras theorem

H^2=P^2+B^2\\(20)^2=(17)^2+B^2\\400=289+B^2\\400-289=B^2\\B^2=111\\Taking\ square\ root\ on\ both\ sides\\\sqrt{B^2}=\sqrt{111}\\B=10.53\\Rounding\ off\ to\ the\ nearest\ tenth\\B=10.5

The bottom of the ladder is 10.5 feet away from the wall

Keywords: Triangle, Pythagoras Theorem

Learn more about Pythagoras theorem at:

  • brainly.com/question/9532142
  • brainly.com/question/9590016

#LearnwithBrainly

8 0
3 years ago
What is the product?<br><br> (5r + 2)(3r − 4)
bazaltina [42]

this is the answer 15r^2 − 14r − 8

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8 0
3 years ago
Read 2 more answers
What is ? <br> algebra 2
Alexxx [7]

(?) = (x - 3)(x + 3)

Step-by-step explanation:

[Attached]

4 0
3 years ago
If AB = 4 centimeters, which is closest to BC?
Misha Larkins [42]

Answer:

The correct answer AC = 11.52

Step-by-step explanation:

From the figure attached with this answer shows the triangle ABC.

BC=4 centimeters, m angle B=m angle c, and m angle a = 20 degrees

To find AC

From the figure we can see that D is the mid point and AD⊥BC

Then BD = CD = 4/2 = 2 cm

<BAD = 10° and <CAD = 10°

By using trigonometric ratio,

sin 10 = CD/AC = 2/AC

AC = 2/sin 10 = 2/0.1736 = 11.52

Therefore the value of AC = 11.52 cm

4 0
3 years ago
Read 2 more answers
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