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3 years ago

Choose the best description of the relationship between the data in the scatter plot.

Mathematics

2 answers:

Ulleksa [173]3 years ago

7 0

The answer to your question is D

Naily [24]3 years ago

4 0

I’m pretty sure it’s “D”

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Which expressions are polynomials?

Drupady [299]

Answer:

The third one

Step-by-step explanation:

5 0

3 years ago

Simplify tan9x-tan5x / 1+tan9xtan5x

Wittaler [7]

Answer:

The given expressions simplifies to tan (4x).

Step-by-step explanation:

Here, the given expression is : $\frac{tan9x - tan5x}{1+ tan9xtan5x}$

By TRIGONOMETRIC IDENTITY:

$tan (A-B) = \frac{tanA - tanB}{1+ tanAtanB}$

Putting this identity here, and taking A = 9 x, B = 5 x, we get

$\frac{tan9x - tan5x}{1+ tan9xtan5x} = tan (9x-5x)$

= tan(4x)

Hence, the given expressions simplifies to tan (4x).

5 0

3 years ago

A number b minus 4.2 is less than −7.5

Kruka [31]

B - 4.2 < -7.5
subtract b and 4.2
less then sign is <
then <-7.5

5 0

3 years ago

Read 2 more answers

I need help with this if anyone can help

Fiesta28 [93]

Answer: $\Large\boxed{Fourth~Choice.~f(x)=2-i}$

Concept:

Here, we need to know the power of imaginary numbers

i = √(-1)

i² = -1

i³ = -i

i⁴ = 1

Solve:

Given function expression

$f(x)=x^3-2x^2$

Given the requirement of the question

To find the expression for f(i)

Substitute values into the expression

$f(x)=(i)^3-2(i)^2$

Simplify the exponents

$f(x)=(-i)-2(-1)$

Expand the parenthesis

$f(x)=-i-(-2)$

$\Large\boxed{f(x)=2-i}$

Hope this helps!! :)

Please let me know if you have any questions

3 0

2 years ago

Read 2 more answers

If a bullentin board is 6 ft wide and 4 ft tall. what are the deminsions inside

SOVA2 [1]

If you are looking for the area the answer would be 24 ft. tall because 6*4 is 24

6 0

3 years ago