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Natalka [10]
3 years ago
6

2√72÷√8±√2 I Need help with this question fast

Mathematics
1 answer:
Oxana [17]3 years ago
4 0

2√72 / √8 ± √2

If the denominator is √8 + √2,

2√72 / √8 + √2

= 2√(2*2*2*3*3) / √(2*2*2) + √2

= 2*2*3√2 / 2√2 + √2

= 12√2 / 3√2

= 4

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The journey was 100 miles long. We traveled at a steady 50mph and arrived after 2 hours. If you were to draw a
Marianna [84]

Answer:

  • abscissa <em>t</em> (or <em>x</em>) as the “time since beginning of journey”, with hours h as unit
  • ordinate <em>d</em> (or <em>y</em>) as the “distance traveled”, with miles mi as unit

Step-by-step explanation:

The graph will look like a diagonal straight line from (0 h, 0 mi) to (2 h, 100 mi). The slope of this line is 50 mph.

7 0
2 years ago
A cylindrical tree trunk is 14 yards high from the ground up to the lowest branch, and it measures 4 yards around. What is the v
Len [333]
The volume of the cylindrical figure is given by:
V=πr^2h
Given that the circumference of the figure is 4 yds, the radius will be:
C=2πr
4=2πr
hence;
r=4/(2π)
r=0.64 yds

Therefore the volume of the cylinder will be:
V=π*0.64^2*14
=17.83 cubic yards
5 0
3 years ago
If the supplement of an angle is 4 times of its compliment, find the angle.
marshall27 [118]

Answer:

The angle is 60°

Step-by-step explanation:

A supplement angle is the angle whose sum is equal to 180°.

The supplement angle = 180° - x

A complement angle is the angle whose sum is equal to 90°.

The complement angle = 90° - x

Given,

supplement angle = 4 × complement angle

(180° - x) = 4 × (90° - x)

180° - x = 360° - 4x

4x - x = 360° - 180°

3x = 180°

x = 60°

The supplement angle = 180° - x

⇒ 180° - 60°

⇒ 120°

The complement angle = 90° - x

⇒ 90° - 60°

⇒ 30°

7 0
2 years ago
Read 2 more answers
I will give brainiest
lesya692 [45]

Answer:

B. {1, -4}

Step-by-step explanation:

Just rotate the screen and look at the position.

4 0
2 years ago
Abdul runs 7 miles in 64 minutes. How many minutes does he take per mile?
jekas [21]
64/7=9.14285714. It takes 9.14285714 or about 9 minutes to run a mile. 

44/9=4.88888889. It takes 4.88888889 or about 5 dollars per hour.

Hoped I helped!

5 0
2 years ago
Read 2 more answers
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