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anygoal [31]
2 years ago
13

What is the solution to the following system of linear equations x + y = -8 3x = -4 + y

Mathematics
1 answer:
storchak [24]2 years ago
4 0

Answer:

the answer is 4x a

Step-by-step explanation:

hope it helps

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1. Alan got 80% in his math test, Jorden got one-fifth more, what is the mark of Jorden?
nignag [31]

Answer:

1. 96%

2. $6000

3. 176

4. 20%

Step-by-step explanation:

1. 1/5 of 80% is 16%. 80+16=96

2. 25% of 8000 is 2000. 8000-2000= 6000.

3. 10% increase of 200 is 20. 20+200=220. 20 percent of 220 is 44. 220-44=176

4. if you increase the original salary by 20%, then decreasing it by 20% of the new salary will give you the old salary.

6 0
2 years ago
Read 2 more answers
7<br> Tuesday<br> Find the Greatest Common<br> Factor of 16 and 28:
Anna35 [415]

Answer:

The answer is 4.

Step-by-step explanation:

1. find the factors of 16(1,2,4,4,8,16) and of 28(1,2,4,7,14,28)

2. find the highest factor of the two Factored #.(4)

8 0
3 years ago
The temperature reading from a thermocouple placed in a constant-temperature medium is normally distributed with mean μ, the act
ira [324]

Answer:

The standard deviation would have to be 0.05.

Step-by-step explanation:

We can solve this problem using the 68-95-99.7 rule for normal distributions:

The rule states that:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviations of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

What would the value of σ have to be to ensure that 95% of all readings are within 0.1° of μ?

This means that 2 standard deviations would need to be within 0.1 of the mean. So

2\sigma = 0.1

\sigma = \frac{0.1}{2}

\sigma = 0.05

The standard deviation would have to be 0.05.

6 0
3 years ago
Hi im going to give Brainliest to the person who best answers! Thank you!!! :)
Butoxors [25]

Answer: 2 over 3 = 5 over 6 and the other answer is 6 over 6

Step-by-step explanation: Hope this helps

4 0
3 years ago
Which polynomial represents the sum below? (4x5 + 6x3 + 3) + (3x3 + x + 9)​
umka21 [38]

Answer:

i think

 4x^5+9x^3+x+12

Step-by-step explanation:

7 0
3 years ago
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