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garri49 [273]
3 years ago
9

Simplify the number using the imaginary unit i √-28

Mathematics
2 answers:
frez [133]3 years ago
7 0

Answer:

2i√7

this is the correct answer. just took the quiz

Step-by-step explanation:

gizmo_the_mogwai [7]3 years ago
4 0
Choice 3 for this ☺️
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The ratio of violins two cellos is 8 to 3. If there are 24 violins, how many cellos are there?
jeka94

Answer:

9

Step-by-step explanation:

24/8=3

3x3=9

8 0
3 years ago
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Help!! I have exam in 10 minutes
Natalka [10]

Answer:

LHS=(1-sin60)/cos60

=(1-√3÷2)/1÷2

=2(1-√3÷2)

=2-√3

RHS=(1-tan30)/(1+tan30)

={1-(1÷√3)}/{1+(1÷√3)}

={(√3-1)/√3}/{(√3+1)/√3}

=(√3-1)/(√3+1)

={(√3-1)(√3-1)}/{(√3+1)(√3-1)}

=(3-√3-√3+1)/(3-1)

=(4-2√3)/2

=2-√3

Brainliest?

4 0
3 years ago
. The temperature on Monday was −5∘C . By Tuesday the temperature rose to −2∘C. Find the change in temperature.
Alekssandra [29.7K]

Answer: 3^{\circ}C

Step-by-step explanation:

Given

The temperature on Monday was -5^{\circ}C

By Tuesday, it becomes -2^{\circ}C

Change in temperature is the difference between the two temperatures.

\Rightarrow \Delta T=-2-(-5)\\\Rightarrow \Delta T=-2+5\\\Rightarrow \Delta T=3^{\circ}C

Therefore, the change in temperature is 3^{\circ}C.

3 0
3 years ago
Simplify the following expression -12(5x-4)
faltersainse [42]
The answer would be 60x-48
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Which multiplication problem is equivalent to 338÷34?
gtnhenbr [62]

Answer:

What are the options?

Step-by-step explanation:

7 0
3 years ago
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