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4vir4ik [10]
2 years ago
7

Pls i need answer with explanation asap.

Mathematics
1 answer:
Mandarinka [93]2 years ago
5 0

Answer:

4 can be rewrite as 2•2, and that's the same as 2².

8 can be rewrite as 2•2•2, and that's the same as 2³

So we can rewrite the whole expression as:

2^x = (2²)⁸•(2³)⁴

2^x = 2¹⁶•2¹²

2^x = 2²⁸

So x = 28

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The temperature at midnight was −11°C. By midday, the temperature was 5°C.
m_a_m_a [10]

Answer:

-3 celcius

Step-by-step explanation:

6 0
3 years ago
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AB is tangent to O. If AO = 32 and BC = 98, what is AB? my guess is 130? please help!
Juli2301 [7.4K]
    
CO = AO  = 32    (Are rays.)
BO = BC + CO = 98 + 32 = 130
AB ⊥ BO
⇒  ΔAOB   is a rectangular triangle.
We use Pitagora's theorem.


\displaystyle\\
AB =  \sqrt{BO^2 - AO^2}  = \sqrt{130^2 -32^2}=\\\\
= \sqrt{16900 -1024}= \sqrt{15876}= \boxed{126 }



7 0
3 years ago
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What is the domain of the function v = root(3, x)
vredina [299]

Answer:

The first answer. Negative infinity to positive infinity.

Step-by-step explanation:

As long as x is a real number, there will be a cube root

3 0
3 years ago
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pls help me due today, i will give brainliest !!!
gayaneshka [121]

Answer:

c=38

Step-by-step explanation:

Substitute 6 for r and -2 for t in the formula given

c=rt^(2)-3t+8

c=6*(-2)^2-3*(-2)+8

c=6*4-3*-2+8

c=24+6+8

7 0
3 years ago
C) Consider the time 3:40pm where the initial side is the hour hand and terminal side is the
Stells [14]

Answer:

  • 210 degrees
  • -150 degrees

Step-by-step explanation:

When the time is 3:40pm

  • The Initial Side (hour hand) is at 3.
  • Terminal Side (Minute hand) is at 8.

(a)The angle between the two hands in standard position is drawn and attached below.

(b)Now, each hour = 30 degrees

Therefore, the angle between 3 and 8 in an anticlockwise movement

= 7 X 30 =210 degrees

Stating the angle as a negative angle, we have:

210^\circ-360^\circ=-150^\circ\\$The angle as a negative angle is -150^\circ

7 0
3 years ago
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