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DIA [1.3K]
3 years ago
6

If ab=5 and a*a+b*b=25,then (a+b)(a+b)=?​

Mathematics
1 answer:
rosijanka [135]3 years ago
7 0

Answer:

(a + b) (a + b) = 35

Step-by-step explanation:

{(a + b)}^{2}  =  {a}^{2}  +  {b}^{2} + 2ab \\  \\ (a + b)  (a + b)  = a \ast a + b \ast b + 2ab \\  \\  = 25 + 2 \times 5 \\  \\ 25 + 10 \\  \\  (a + b)  (a + b)  = 35

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What’s the value of x
Veseljchak [2.6K]

Answer:

(3x + 4)° + 50° = 90° (complement angle)

3x° + 4°+ 50° = 90°

3x° +54° = 90°

3x° = 90°- 54°

x° = 36°/3

x° = 12°

<u>I</u><u> </u><u>hope</u><u> you</u><u> </u><u>can</u><u> </u><u>know</u><u> </u><u>this</u><u> </u><u>question</u>

5 0
3 years ago
Does anyone here take latin??????!!!!!!!!!!??????????!!!!!!!!
juin [17]
I speak alittle only cause i took latin for about 4 weeks 

5 0
4 years ago
I am stuck on this one lol. Coleman pays $12.99 for 3 hamburgers. How much would Coleman pay for 10 hamburgers? Enter your answe
gayaneshka [121]

Answer:

$43.30

Step-by-step explanation:

What we know,

3 hamburgers = $12.99

Coleman wants to know how much would he have to pay for 10 hamburgers,

In order to find out how much 10 hamburgers cost, you need to find out how much 1 hamburger costs,

To find how much 1 hamburger costs divide 12.99 by 3,

12.99/3

= 4.33

Now we know that 1 hamburger cost $4.33,

Now time to find out how much 10 hamburgers cost,

Multiply 4.33 by 10,

4.33 × 10

= 43.30

Therefore it cost $43.30 for 10 hamburgers.

3 0
2 years ago
Explain why every positive number has two square roots
sasho [114]
Let's explain this by using an example. Let's take the square root of 4.
sqrt(4)
You'd think the answer is 2, and you are correct, but the answer is also -2.
Remember that a square root means that the two numbers must be the same, and multiply back up to 4. In this case, the number is 2.
2•2=4
BUT
-2•-2 ALSO =4
therefore there are two square roots...
2 is a square root
AND
-2 is a square root.
This goes with all positive numbers!


I hope this helps! Best wishes :)
4 0
3 years ago
Figure ABC is to be translated to Figure A'B'C' using the rule (x, y) → (x−3, y+4).
REY [17]
<span><u><em>Answer:</em></u>
(-2,5)

<u><em>Explanation:</em></u>
<u>We are given the following translation rule:</u>
(x,y) .............> (x-3 , y+4)
<u>This means that:</u>
new x coordinate can be found by subtracting 3 from the old x coordinate
new y coordinate can be found by adding 4 to the old y coordinate

<u>From the figure,</u> we can note that the coordinates of point A are (1,1).

Applying the above translation rule, we can get the coordinates of A' as follows:
x coordinate of A' = x coordinate of A - 3
x coordinate of A' = 1 - 3 = -2

y coordinate of A' = y coordinate of A + 4
y coordinate of A' = 1 + 4 = 5

Based on the above, the coordinates of A' would be (-2,5)

Hope this helps :)</span>
7 0
3 years ago
Read 2 more answers
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