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iren2701 [21]
3 years ago
9

SIMPLIFY USING THE DISTRIBUTIVE PROPERTY OF RATIONAL NUMBERS 1/5+ (2/5+3/5)

Mathematics
1 answer:
Lemur [1.5K]3 years ago
4 0

Answer:

6/5

Step-by-step explanation:

1/5 + (2/5 + 3/5)

solve for the bracket first

1/5 +(2+3/5)

1/5 + (5/5)

1/5 + 1

1+1*5/5

6/5

another method

1/5 + (2/5 +3/5)

open brackets)

1/5 + 2/5 + 3/5

since their denominator are same u can add their numerator

1+2+3/5

6/5

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Determine the value of k for which -3x^2+12x+k=0 has no real roots. ​
Crazy boy [7]

Answer:

K<-12

Step-by-step explanation:

+ For that, we need the delta negatif.

+ The delta= b^2-4ac=12^2-4(-3)(k)=144+12k<0

Then, 12k<-144 (divise both sides by 12)

we have k<-12

Or an other way:

-3x^2+12x+k=0  (divise both sides by -3)

x^2-4x-k/3=0

x^2-4x+4 -4-k/3=0

(x-2)^2=4+k/3

Now , we need 4+k/3<0, k/3<-4 or k<-12

Hope you understand.

4 0
3 years ago
Pls help and show work I will mark brainliest if correct no spam or else I will report
postnew [5]
Which question? 2 or 3.
5 0
3 years ago
58, 100, 85, 98, 71, 92 find the mean absolute deviation​
barxatty [35]

Answer:

Mean Absolute Deveation (MAD): 13

Step-by-step explanation:

.

7 0
3 years ago
What's the answer to -7(3m-4)+2
dexar [7]
-7(3m - 4) + 2

First, expand to get rid of parentheses. / Your problem should look like: -21m + 28 + 2
Second, add 28 + 2. / Your problem should look like: -21m + 30

Answer: -21m + 30

3 0
4 years ago
First person to help gets brainliest
lions [1.4K]

The solution of the given equation w.r.t m is m = 3 ,i.e., option A

<h3>What are Algebraic equations?</h3>

With one exception, algebraic equations are essentially algebraic expressions.

An = sign is required in all algebraic equations.

No matter what kind of equation it is, all equations use the = sign.

The next topic is algebraic expression, which lacks the operators =,,, >, and.

To put it simply, there is no comparison between two terms in an algebraic statement.

Algebraic expressions frequently use terms like polynomial and square root.

So you now recognize the distinction between the two?

1) An algebraic equation has the symbol =, and 2) an algebraic expression lacks any comparison symbols (such as > and =).

As per the question:

6\frac{1}{9} + 3\frac{1}{3} =28\frac{1}{3}

55/9 + 10/3 = 85/3

(55m+30m)/9 = 85/3

85m/9 = 85/3

85m = (85*9)/3

85m = 85*3

m = (85*3)/85

∴ m = 3

To now more about algebraic equations, visit

brainly.com/question/953809

#SPJ13

5 0
1 year ago
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