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Dafna11 [192]
3 years ago
10

use the unit circle and the reference angle to determine which of the followimg trigonometric values is correct when o= 135 degr

ees

Mathematics
1 answer:
anastassius [24]3 years ago
3 0
D) none of the above
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2x squared plus 16x minus 10 equals 0. please solve for the solution
ohaa [14]
Answer: 5/9

Solution: 2x^2+16x-10=0

According to formula: X=(-16+_sqrt(16^2-(-10•2)) / 2•2

X=5/9
6 0
2 years ago
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Sally is driving at 30 miles an hour on the Freeway. The next town Sally will reach is 20 miles away. How long will it take Sall
lilavasa [31]

Sally to get to the next town in 2/3 hour.

According to the statement

The distance covered by sally to get next town is 20 miles

Speed at which sally drive is 30 miles per hour

We know that the

TIME = DISTANCE / SPEED

Substitute the values in it and

TIME = 20 / 30

TIME = 2/3 hour

So, Sally to get to the next town in 2/3 hour.

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2 years ago
Every 5 1/2 cups of flour weighs 1 9/16 lbs. Use a unit rate to show how you could determine if there are more than or less than
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More than 35 cups in a 10 pound bag
unit rate is....
1 pound equals 3.52 cups
so by that math...
<span>10 pounds equals 35.20 cups 
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4 0
3 years ago
A piece of copper tubing is in the shape of a hexagonal prism. The area of the base of the prism is 3 square centimeters. The vo
Evgen [1.6K]

Answer: 17 cm

Step-by-step explanation:

For a regular figure where the area of the base is B, and the height is H, the volume is calculated as:

V = B*H

Here we know that the base of the prism is B = 3 cm^2, and the volume of the prism is 51 cm^3

Then:

B = 3cm^2

V = 51cm^3

If we replace those in the equation above, we get:

51 cm^3 = (3cm^2)*H

Solving this for H gives:

(51 cm^3)/(3 cm^2) = H = 17 cm

The height of the tubing is 17 cm

7 0
3 years ago
A, B and C are collinear points. B is between A and C. AB=12 BC=18 AC=3x Find X.
SCORPION-xisa [38]

Answer:

x =10

Step-by-step explanation:

Given

AB = 12

BC = 18

AC = 3x

Required

Solve for x

Since B is in between both points, then:

AC = AB + BC

This gives

3x = 12 + 18

3x = 30

Divide by 3

x =10

3 0
3 years ago
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