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Dovator [93]
3 years ago
12

Evaluate 4 + [ 7 - 5 ] ^ 4

Mathematics
1 answer:
loris [4]3 years ago
4 0
The answer of this Question is 20
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The sum of two numbers is 22. The difference is 6. What are the two numbers?
algol [13]

Answer:

Numbers are 14 and 8

Step-by-step explanation:

Let the 2 numbers be x and y.

Write 2 equations:

x + y = 22

x - y = 6

Solve by substitution:

x - y = 6

x = y + 6

Plug into the other equation:

(y + 6) + y = 22

2y + 6 = 22

2y = 16

y = 8

Plug into either equation:

x + 8 = 22

x = 14

Numbers are 14 and 8

7 0
3 years ago
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Which expressions are equivalent to the one below?check all that apply. 21^x/3^x
mafiozo [28]
C and E and F are all the correct answers
7 0
3 years ago
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What is the reference angle for the angle with measure −π4?
tresset_1 [31]

Answer:

D -7π4

Step-by-step explanation:

Just took the test my dude :D

6 0
3 years ago
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Identify the variable expression that is not a polynomial
andre [41]
B because of the y to the zero? Anyone wanna back me up?
6 0
3 years ago
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g There are 3 signal transmitters T1,T2 and T3. Each one sends a signal to a receiver R and R sends three signals back to the th
ANEK [815]

Answer:

Recall that probability is given as; the number of required outcome over the number of total possible outcome.

The probability that a transmitter receives the signal being sent by itself is given as \frac{1}{3}.

when there are n transmitters, the probability will be given as \frac{1}{n}

Step-by-step explanation:

Probability simply the likelihood of an event occurring or not occurring.

Probability therefore is given as; the number of required outcome over number of possible outcome.

In the case of the first part above we have the number of required outcome to be at least one divided by the number of possible outcome which is 3.

while in the second part we have the number o possible outcome to be n.

7 0
3 years ago
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