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dlinn [17]
3 years ago
7

Help me out plzzzzzzzz​

Mathematics
1 answer:
Furkat [3]3 years ago
5 0

Answer:

d

Step-by-step explanation:

5x -2

Answer choices:

a. 2-5x

b. 3-5 +2x

c. 5x-2x

d. 2x-2+3x

a.

2-5x can be rewritten as -5x+2, which is not the same as 5x-2

b. 3-5 + 2x can be rewritten as -2 + 2x or 2x-2 which is not equivalent to 5x-2

c. 5x-2x is 3x

3x doesn't equal 5x-2

d. 2x+3x-2 = 5x-2

This expression is equivalent to 5x-2

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A store is having a 1/8 off sale. What percentage of each item sold does the cashier subtract to find the sale price
Sav [38]

Answer:

8 percent or .8

Step-by-step explanation:

Have a great day

3 0
3 years ago
What does Csc²x equal to?<br><br> A- 1<br><br> B- 1 + sec²x<br><br> C- 1 / sin²x<br><br> D- 1-cos x
Lorico [155]

Answer:

C - 1 / sin^2x

Step-by-step explanation:

as csc x = 1 / sin x

so, csc^2 x = 1 / sin^ 2x

4 0
3 years ago
A 1414​-ft ladder leans against a wall at a point 55 feet above the ground. how far is the bottom of the ladder from the​ wall?
viva [34]
Assume ladder length is 14 ft and that the top end of the ladder is 5 feet above the ground.

Find the distance the bottom of the ladder is from the base of the wall.

Picture a right triangle with hypotenuse 14 feet and that the side opposite the angle is h.  Then sin theta = h / 14, or theta = arcsin 5/14.  theta is

0.365 radian.  Then the dist. of the bot. of the lad. from the base of the wall is 

14cos theta = 14cos 0.365 rad = 13.08 feet.  This does not seem reasonable; the ladder would fall if it were already that close to the ground.

Ensure that y ou have copied this problem accurately from the original.

7 0
3 years ago
The diameter of a circle is 8 feet. What is the angle measure of an arc a feet long?
fiasKO [112]

Answer:

Given: circle

diameter = 10 cm => radius (R) = 5 cm

Find: measure of angle bounding sector = 11 π sq. cm.

Plan: determine what part of the circle’s total area equals the sector’s area.

Total Area of Circle A = π R^2 = π 5^2 = 25 π sq. cm.

Therefore: Sector Area = 11 π cm^2/25 π cm^2 = 11/25

Since the sector is 11/25 th of the circles area, the sector angle will measure 11/25 th of the circle’s circumference. They are proportional.

C = 2 π R = 2 π (5) = 10 π cm

Sector Arc = measure of sector angle = 11/25 (10 π) =

22π/5 radians

Answer: Sector Arc = 22π/5 Radians

4 0
2 years ago
Simplify using order of operations 12-36 divided by 9
tiny-mole [99]

Answer:

8

Step-by-step explanation:

36/9=4

12-4=8

8 is your answer

8 0
3 years ago
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