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oksian1 [2.3K]
4 years ago
5

X=______ degrees..........

Mathematics
1 answer:
adell [148]4 years ago
7 0
180 degrees since each side is all the same
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QUESTION 4
vesna_86 [32]

Answer:

f(3) =-8

Step-by-step explanation:

Given

f(x) = 2x + 5; x

f(x) =-3x + 1; x >1

Required

Determine f(3)

f(3) implies that x = 3.

We make use of

f(x) =-3x + 1

Because x >1 (i.e. 3 > 1)

Substitute 3 for x in f(x) =-3x + 1

f(3) =-3*3 + 1

f(3) =-9 + 1

f(3) =-8

5 0
3 years ago
Evaluate a - b + c for a = 4 1/5,b =2 7/20, and c= 3 1/4
gavmur [86]

Answer:

5 1/4

Step-by-step explanation:

4 1/5 - 2 7/20 + 3 1/4

Common denominator = 20.

4 4/20 - 2 7/20 + 3 5/20

7 12/20 - 2 7/20 = 5 5/20 = 5 1/4

8 0
4 years ago
An oil tanker can be emptied by the main pump in 4 hours. An auxiliary pump can empty the tanker in 11 hours. If the main pump i
solong [7]

Answer:

The pump should be added by 8PM

Step-by-step explanation:

An oil tanker can be emptied by the main pump in 4 hours.

An auxiliary pump can empty the tanker in 11 hours.

the main pump is started at 7 PM,and we have 10 PM - 7PM = 3 hours to empty the tank.

So we have to look for the combined rate of the both pumps .

Let's say the volume= x

Rate of first pump= x/4

Rate of second pump= x/11

The rate will be added together

Combined rate= x/11 + x/4

Combined rate= 15x/44

But they have three hours to complete their pump

15x/44 = 3

X=1.0227

The pump should be added by 8PM

5 0
3 years ago
(9a - 13)(3a + 11) <br> Find a
Shkiper50 [21]
The answer is 27a-2!!!!!!!!!!!!!
4 0
3 years ago
Read 2 more answers
If a coin is tossed, a die is rolled, and a candy is taken from a dish of 20 candies, 7 of which are red, what is the probabilit
zhuklara [117]

Answer:

B

Step-by-step explanation:

7/20 x 1/2 x 1/6

6 0
2 years ago
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