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Rudik [331]
3 years ago
11

11. Describe and correct the error in evaluating the expression. -2(-7)= -14

Mathematics
1 answer:
Ulleksa [173]3 years ago
7 0

Answer:

Step-by-step explanation:

The left side  

14

does not equal to the right side  

−

14

, which means that the given statement is false.

False

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SIS<br> 2log(x + 86) = 4<br> EE<br> S<br> -
mina [271]

Answer:I think your Answer would be x=14 but I am not sure.

Step-by-step explanation:

2log 10 (x+86)=4

Determine the defined

2log 10 (x+86)=4,x >-86

Divide both sides by 2

log 10 (x+86)=2

Solve by converting the logarithm into exponential form

x+86=10 2

Evaluate the power

x+86=100

Move constant to the right

x=100-86

Subtract the numbers

x=14,x>-86

Check if the solution is in the defined range

SOLUTION

X=14

4 0
3 years ago
Please help me guys ill mark you as a brilliant
Tomtit [17]

Answer:

so the answer is ,,5". hope this helped! Have a nice day.

Step-by-step explanation:

45:9=5

4 0
3 years ago
Find the output, y, when the input, r, is – 7.<br><br> y=
Elodia [21]

Answer:

<h2>i dont know if im correct or not but i thincC its -1</h2>

Step-by-step explanation:

4 0
3 years ago
A man claims to have extrasensory perception (ESP). As a test, a fair coin is flipped 23 times, and the man is asked to predict
spin [16.1K]

The probability that he would have done at least this well if he had no ESP is 4/23.

<h3>How to illustrate the information?</h3>

Probability refers to possibility. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events.

It should be noted that from the information, the man claims to have extrasensory perception and as a test, a fair coin is flipped 23 times, and the man is asked to predict the outcome in advance and he gets 19 out of 23 correct.

Therefore, the probability that he would have done at least this well if he had no ESP will be:

= 1 - (19 / 23)

= 4/23

Therefore, the probability is 4/23.

Learn more about probability on;

brainly.com/question/25870256

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2 years ago
The table below represents a breakdown of food costs for Eddie, a traveling
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The answer should be A
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3 years ago
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