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Sphinxa [80]
3 years ago
12

Evaluate the following expression using the values given.

Mathematics
2 answers:
stellarik [79]3 years ago
8 0
You plug in the variables into its correct place then you multiply them giving you this --> 32-32-16+16 and all should come out to be the answer
 
Answer: 0

p.s. this is for numerical answer
Hope this helped!!! ;) good luck
Strike441 [17]3 years ago
6 0
<span>2x^2 − 2z^4 + y^2 − x^2 + z^4

</span>2(-4)^2 − 2(2)^4 + (3)^2 − (-4)^2 + (2)^4

2(16) - 2(16) + 9 - 16 + 16

32 - 32 + 9 - 16 + 16

answer is 9
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Need help id appreciate it
Dmitrij [34]

Answer:

x=14

Step-by-step explanation:

If the square from GAI are 6 cm, then the other half of the triangle is also 6 inches long. Because it is not an even sided triangle, all the sides shouldnt be the same size. If you multiply 6 by 2 you get 12. 7 times 6 is 42. 42 divided by 3 is 14. The value of X should be 14.

8 0
3 years ago
The radius of a circle is 9 feet. What is the length of a 90° arc?
maks197457 [2]

Answer:

\frac{9\pi }{2} feet, or 14.14 feet

Step-by-step explanation:

Use the arc length formula:

s = rθ

To use the formula, we have to convert the central angle to radians.

90° is equivalent to \frac{\pi }{2} radians, so plug this and the radius into the formula:

s = rθ

s = (9)(\frac{\pi }{2})

s = \frac{9\pi }{2}

So, the length of the arc is \frac{9\pi }{2}\\ feet, or approximately 14.14 feet

7 0
2 years ago
Find sin x/2, cos x/2, and tan x/2, if cos x = -12/13, 180 degrees is less than x which is less than 270 degrees
Rashid [163]
Cos x = -12/13
sin x = -sqrt(13^2 - 12^2) / 13 = -5/13
tan x = 5/12

tan x/2 = (1 - cos x) / sin x = 1 - (-12/13) / -5/13 = 25/13 * -13/5 = -5

2sin^2 x/2 = 1 - cos x = 1 - (-12/13) = 25/13
sin^2 x/2 = 25/13 / 2 = 25/26
sin x/2 = 5/√26

sin x/2 / cos x/2 = tan x/2
cos x/2 = sin x/2 / tan x/2 = 5/√26 / -5 = -1/√26

sin x/2 = 5/√26
cos x/2 = -1/√26
tan x/2 = -5
5 0
2 years ago
PLEASE HELP WILL MARK BRAINLIEST!!!!!! Base the question off this info: An experienced cashier at a grocery store takes 2 second
Vesna [10]
You need to use basic algebra for this.
For this I’ll use o as the items and p for the payment. First you need to find out how long it took for all the items to scan, so if it took each item 2 seconds to be scanned you need to times the total number of items (o) by two e.g. o x 2 = 62 items times two seconds which is equivalent to 62 seconds (1.02 minutes) after this step you need to minus the total time it took to scan the items for the transaction time (2 minutes) e.g. 2.00 - 1.02 = 2.58 minutes.

Hope this helped :)
3 0
2 years ago
Read 2 more answers
Standard form of 5.65 x 10-3?
Ad libitum [116K]

Answer:

53.5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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