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blondinia [14]
3 years ago
15

Evaluate tan^-1(1) Easy points!!

Mathematics
2 answers:
STatiana [176]3 years ago
7 0

Answer:

its 45

Step-by-step explanation:

lol thanks man

Kipish [7]3 years ago
5 0

Answer:

pi/4 or .78

Step-by-step explanation

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Area 9 perimeter 20 what is the length and width
oksano4ka [1.4K]

Answer:4.5 x 2

Step-by-step explanation:

4.5 x 2 = 9

Hope it helps

8 0
3 years ago
A sphere has a volume of 904 cm3. If its radius is increased by a scale factor of 4, then the new volume is 57,856 cm3.
xz_007 [3.2K]

Answer:

what exactly are you looking for?

Step-by-step explanation:

6 0
2 years ago
On an island there are 7 cities. Each two of them connected by a direct road. How many roads are there?
Gnoma [55]

Answer:

21 roads

Step-by-step explanation:

If each two cities are connected by a direct road, to find the number of roads we just need to solve a combination of 7 choose 2, that is, we need to find all pairs of two cities among the 7 cities:

Combination of 7 choose 2 = 7! / (5! * 2!) = 7*6/2 = 21

So there is a total of 21 roads on the island.

3 0
3 years ago
Read 2 more answers
PLEASE HELP ITS DUE AT MIDNIGHT
antiseptic1488 [7]
Answer:
The rest of the question is the attached figure
The percent change =
If (+ve) increase and if (-ve) decrease
Part A: What is the percent of change in the cost of a pizza?
The initial price = $7.5
The final price = $9
The percent change = %
Part B: What is the percent of change in the cost of a cheeseburger?
The initial price = $5
The final price = $6.5
The percent change = %
Part C: What is the percent of change in the cost of a serving fries?
The initial price = $2
The final price = $4.5
The percent change = %
Part D: What is the percent of change in the cost of a hot dog?
The initial price = $2.5
The final price = $2
The percent change = %
i found this online i hope if helps you

3 0
3 years ago
Read 2 more answers
What is the value of b11?
Novay_Z [31]
Since Matrix A is added with Matrix B
then each component must be added to its corresponding component
a11+b11=0
a11=-b11
if
a11*b11=-16
then a11=+4 and b11=-4 or a11=-4 and b11=4
a11 is postive so our answer should be
a11=4 and b11=-4
4 0
3 years ago
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