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aev [14]
2 years ago
11

Is this answer correct?

Mathematics
1 answer:
Aleks [24]2 years ago
6 0
That’s correct!!!!!!
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Whats the answer for number 3
Karolina [17]

cant see the full question ;/

5 0
3 years ago
The length of a rectangle exceeds the width by 7 cm. If the area
Artyom0805 [142]

Answer:

Length = 12cm

Step-by-step explanation:

The dimensions of the recatngle is:

- width → x

and

- length → x+7

The area of a rectangle follows the formula: length*width

Meaning: x * (x + 7) = 60

Expand that: x^2 + 7x = 60

Rearragne the equation and factorise it

(x-5)(x+12) = 0

The width cannot be a negative value, so the answer must be 5.

Remember that x was the width and the length is the width add the 7.

So the length is 12 cm.

8 0
3 years ago
Using fluorescent imaging techniques, researchers observed that the position of binding sites on HIV peptides is approximately N
konstantin123 [22]

Answer:

The values is  

Step-by-step explanation:

From the question we are told that

  The population mean is  \mu  =  2.45

    The  standard deviation is  \sigma  = 0.35 \ mi

     The random value is  x =   2.03

The standardized score for a binding site position of 2.03 microns is mathematically represented as

       z-score  =  \frac{x -  \mu}{ \sigma }

=>      z-score  =  \frac{2.03 -  2.45}{ 0.35}

=>    z-score  =  -1.2

7 0
3 years ago
Find the value of x:<br> please help fast
DedPeter [7]

Answer:

BC×AD=K

CKD= 180-32-79= 2x +180- 5x

-> x = (-32-79) : (-3) =37

4 0
3 years ago
Help me please! I would appreciate it! :)
zheka24 [161]

Answer:

-4

Step-by-step explanation:

distributing gets you to : 8h + 38 = -18 - 6h

then add 6h to 8h and you have 14h + 38 = -18

solve normally & thats how you get your answer

8 0
2 years ago
Read 2 more answers
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