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mamaluj [8]
3 years ago
10

If ab = 4 , and a^2 + b^2 = 17 , find a+b

Mathematics
1 answer:
Gelneren [198K]3 years ago
6 0

Answer:

5

Step-by-step explanation:

ab=4

4(1)=4

4=4

a2+b2=17

4^2+1^2=17

16+1=17

17=17

a=4 b=1

4+1 = 5

a+b=5

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Find the sum of the absolute deviations of the following data set.<br><br> 8, 5, 15, 12, 10
Vinil7 [7]

Answer:

1

Step-by-step explanation:

8/1=8

5/1=5

15/1=5

12/1=12

10/1=10

So I think that answer is 1.

3 0
3 years ago
Read 2 more answers
Solve -9 &lt;4x+3 11.
Dvinal [7]

Answer:

c) x > -3 or x ≤ 2

Step-by-step explanation:

We are asked to solve this algebraic expression

-9 < 4x+3 ≤ 11.

We have two parts:

a) -9 < 4x+3

b) 4x+3 ≤ 11

For

a) -9 < 4x+3

Subtract 3 from both sides

-9 - 3 < 4x + 3 -3

-12 < 4x

-12/4 < x

-3 < x

x > -3

b) 4x+3 ≤ 11

Subtract 3 from both sides

4x + 3 -3 ≤ 11 - 3

4x ≤ 8

x ≤ 8/4

x ≤ 2

Hence, our answer is

x > -3 or x ≤ 2

7 0
3 years ago
10x^2-3x-27<br> Factor the trinomial
noname [10]

Answer:

(2x+3)(5x-9)

Step-by-step explanation:

10x^2-3x-27

10x^2 + 15x - 18x - 27

(5x)(2x+3)-9(2x+3)

(2x+3)(5x-9)

Hope this helps!

6 0
4 years ago
Help please!!!!!!!!!
r-ruslan [8.4K]

Answer:

5 right/left , 3 up/down

Step-by-step explanation:

Looking at the Graph count the rise/run of a point.

3 0
3 years ago
Solve for y in terms of x <br><br> -8x + 4y = -16
solniwko [45]

Answer:

y=2x-4

Step-by-step explanation:

well first you have to move the -8x to the other side where the -16 is. by doing so, the -8x will turn into a POSTIVE 8x. than your problem should look like (4y=8x-16). now that your problem is like that, you want "y" to be alone. so, you divide the 4 by every number. (so you would do 4y/4, 8x/4, and -16/4). than your final product would be: y=2x-4

4 0
4 years ago
Read 2 more answers
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