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Nataly [62]
3 years ago
15

What is the product of 5 and 8

0}" align="absmiddle" class="latex-formula"> in simplest radical form?
Mathematics
1 answer:
alina1380 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

√80 = √(2⁴ × 5) = √2⁴ × √5 = 4√5

5 × 8√80 = 160√5

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Please, I really need help-
posledela
<h3>Answer: 48</h3>

=====================================================

Explanation:

Triangle ABC is isosceles because AC = BC.

The angles opposite these congruent sides are angle ABC and angle BAC. These are the base angles.

For any isosceles triangle, the base angles are congruent.

Angle BAC = 69 degrees is given. So angle ABC = 69 as well.

-------------------

The missing angle must add to the two other angles so that all three angles in a triangle add to 180

(angle ABC) + (angle BAC) + (angle BCA) = 180

69 + 69 + (angle BCA) = 180

138 + (angle BCA) = 180

angle BCA = 180-138

angle BCA = 42

-------------------

Angle DCE is congruent to angle BCA because they are vertical angles.

Triangle DCE is a right triangle. The missing angle is 90-(angle BCA) = 90-42 = 48

angle EDC = 48 degrees

6 0
3 years ago
Read 2 more answers
Determine the commutators of the operators a and a+,where a = (x + ip)/2 ^1/2 and a+ = (x - ip)/ 2 ^1/2
Vsevolod [243]

Answer:

Given that:

a = (\frac{x+ip}{2})^{\frac{1}{2}} and a+= (\frac{x-ip}{2})^{\frac{1}{2}}

if a , a+ commutator, it obeys aa^+ = a^+a

First find:

aa^+ = (\frac{x+ip}{2})^{\frac{1}{2}} (\frac{x-ip}{2})^{\frac{1}{2}}

                = (\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}=(\frac{(x)^2+(p)^2}{4})^{\frac{1}{2}}

Now;

a^+a =(\frac{x-ip}{2})^{\frac{1}{2}} (\frac{x+ip}{2})^{\frac{1}{2}} = (\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}

              =(\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}=(\frac{(x)^2+(p)^2}{4})^{\frac{1}{2}}

therefore, aa^+ = a^+a which implies the operators a and a+ are commutators.    


7 0
3 years ago
9x + Зу = 9<br> X and y intercept
leonid [27]

Answer:

x intercept: (1,0)

y intercept: (0,3)

Step-by-step explanation: Substitute variables for 0 and solve

4 0
2 years ago
Read 2 more answers
What is 25 x 65 / 73?
uranmaximum [27]

25x65=1625

1625/73=22.26

5 0
3 years ago
Quintin read a report claiming that 4% of police officers in the US have had a formal complaint filed
Alex73 [517]

Answer:

A, B, C

Step-by-step explanation:

Got it right on khan academy

4 0
3 years ago
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