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3 years ago

ASAP BRAINLIEST if correct. Am i correct?

Mathematics

1 answer:

Minchanka [31]3 years ago

3 0

Answer:

C complex

Step-by-step explanation:

a+ bi

a is the real part and bi is the imaginary part

Together they make a complex number

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There are 1200 students at Sophie’s school. One student’s name will be drawn at random to win a new bike. What is the probabilit

yawa3891 [41]

Describe the sample space for this problem: 1200 students at a certain school, all with equal probability of being selected on a random draw.

Which outcome (or outcomes) of the sample space compose the event?

Sophie wins the bike. The chances that that will happen are 1/1200, or 0.00083...

8 0

3 years ago

Read 2 more answers

F(3)= 5x^2 - 4x + 9<br> evaluate this quadratic function

Neporo4naja [7]

Answer:

$f(3) = 38$

Step-by-step explanation:

Given the quadratic function

$f\left(x\right)=\:5x^2\:-\:4x\:+\:9$

Evaluating the quadratic function

$f\left(x\right)=\:5x^2\:-\:4x\:+\:9$

substitute x = 3

$f\left(3\right)=\:5\left(3\right)^2\:-\:4\left(4\right)\:+\:9$

$f(3) = 45-16+9$

$f(3) = 38$

Therefore,

$f(3) = 38$

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2 years ago

Scale on a map is 1:800000. motorway is 120 km long . what distance will it be on the map

Rudik [331]

Answer:

Multiply the number of inches on the map times the scale to determine the true distance. For example, if the distance on the map was 5.5 inches and the scale was 1:6,336,000, the true distance would be 550 miles. To convert an area, convert the dimensions using the scale and then find the true area.

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3 years ago

Help me please cuz some people are senting link when I ask them to not

vladimir2022 [97]

Answer:

the change is 8.4 degrees

Step-by-step explanation:

1.2x7=8.4

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2 years ago

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To evaluate 43/2 find A) the square of 4 and then take the cube root. B) the cube of 4 and then take the square root. C) the squ

tatiyna

Answer:

B) the cube of 4 and then take the square root

Step-by-step explanation:

43/2 = 21.5

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The answer choices suggest you want ...

4^(3/2) . . . . . . . appropriate math symbols are very helpful

This can be evaluated several ways:

$4^{\frac{3}{2}}=\sqrt{4^3}=(\sqrt{4})^3=10^{\frac{3}{2}\log{4}}\\\\=8$

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Since the 3 is in the numerator of the fraction, it represents a cube, not a cube root. Any of the answer choices suggesting cube root is involved are incorrect. (Eliminating those leaves only the correct answer choice.)

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3 years ago