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Mekhanik [1.2K]
2 years ago
8

A^2+5A+4 (A=-5). Evaluate the expression

Mathematics
1 answer:
Naddik [55]2 years ago
8 0

Answer:

4

Step-by-step explanation:

First, rewrite the equation with -5 substituted for A:    (-5)^2 +5(-5) +4
Next, simplify that equation:      25 -25 +4
Simplify this further: 4

When A=-5, the solution is 4.

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How do you find whether ratios are proportional
alexandr1967 [171]
Hello wonderful person!!


Okay, so first of all, welcome to brainy
Second, you have to determine whether they are equal to each other and are the same. For example, if i say 2/4 is equal to 4/8, it's considered proportional. 


Hope you understand this, and have a GREAT day!! :)

3 0
3 years ago
Read 2 more answers
Explain why the given condusion uses inductive reasoning.
Ilia_Sergeevich [38]

Answer:

No conclusion

Step-by-step explanation:

The two patterns have no relationship

Therefore, there is no inductive reasoning used

8 0
2 years ago
Put in order least to greatest 2/3,60%,0.65,4/5
Nat2105 [25]
60%, 0.65, 2/3, 4/5.
7 0
3 years ago
PLEASE HELP!!!!<br> Solve 2/3x -1/5 &gt; 1<br><br> x &gt; ____
Brums [2.3K]

Answer:

x>\frac{9}{5}

Step-by-step explanation:

\frac{2}{3} x-\frac{1}{5} >1\\\\\frac{2}{3} x>\frac{6}{5} \\\\x>\frac{18}{10} \\\\x>\frac{9}{5}

4 0
2 years ago
You roll a 6 sided die 2 times what is the probability of rolling a 6 and then rolling a number greater than 2
jek_recluse [69]

Answer:

1/9 probability of rolling a 6 and then a number greater than 2

Step-by-step explanation:

1. Rolling a six on the first go is 1/6 chance

2. Rolling a number greater than 2, for example 4, is also 1/6 chance

3. So we know that at first, there is a 1/6 chance of rolling a 6, now when the die is rolled again, there needs to be a 3, 4, 5 or 6, each of these has a 1/6 chance again

4. So the chance of rolling a 6 and then a 3 is solved by finding the chance of rolling 6, then multiplying that by the chance of rolling a 3 afterwards

5. We get an equation of 1/6 x 1/6 which = 1/36

6. We apply this to the rest of the possible combinations, 6 and then 4 which is 1/36,  6 and then 5 etc.

7. Once we find all possible combinations, we add them up, this means that 6 then 3 = 1/36, 6 then 4 = 1/36, 6 then 5 = 1/36 and 6 then 6 = 1/36 is added so we get 1/36 + 1/36 + 1/36 + 1/36 = 4/36

8. We simplify this to get 1/9

7 0
3 years ago
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