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OLga [1]
3 years ago
9

Distance between each pair of points (0.4). (8. -2)

Mathematics
2 answers:
madreJ [45]3 years ago
8 0
The answer will be 10
Mrrafil [7]3 years ago
4 0

Answer:

10

Step-by-step explanation:

Sqrt((-8)^2+((-2)-4)^2)

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Which value of x solves the equation cos x° = sin (20° + x°), where 0 < x < 90? A. 30° B. 35° C. 40° D. 45° E. 55°
daser333 [38]

Answer:

Option B (35°).

Step-by-step explanation:

To solve this question, the trigonometric identity sin x = cos (90-x) is required. It can also be written as cos x = sin (90-x). It can be seen that this identity holds when the two angles are complementary i.e. they sum up to 90 degrees. Therefore, the answer can be determined by substituting all the options one by one in the identity cos x = sin (20+x). If x=30 degrees, then x+20=50 degrees. 30 and 50 are not complementary. If x=35 degrees, then x+20=55 degrees. 35 and 55 are complementary since their sum is 90 degrees. Therefore, B is the correct choice!!!

4 0
2 years ago
Step by step please help answer.
sweet-ann [11.9K]

Answer:

(2) 2,640 ft

Step-by-step explanation:

I'm going to assume that in this question, you are walking 1 full circle around the reservoir. That would mean you need to calculate the circumference of the circular reservoir.

The circumference formula is:

C = ⫪d

C stands for Circumference

d stands for diameter

I will use 22/7 instead of pi, so the formula looks more like this:

C = (22/7)(d)

The diameter is 840 feet, so we will substitute the variable d with 840:

C = (22/7)(840)

You can plug this part into the calculator, but by hand, it'll look something like this:

(22/7)*840 = (22*840)/7

18,480/7 = 2.640

Hope it helps (●'◡'●)

5 0
3 years ago
Due tonight<br>Please help!!!!!​
Harrizon [31]

angle BGC and angle BAD

7 0
3 years ago
Find YZ. please help!!!
Ad libitum [116K]
Your picture is a bit blurry. What is the equation on WX and on ZY?
6 0
2 years ago
Anita buys a computer for $391 in a sale. The sale price is 15% less than the original price. Calculate the original price of th
iVinArrow [24]

Answer:

449.65

Step-by-step explanation:

391x.15=58.65

$58.65+$391= 449.65

5 0
2 years ago
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