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3 years ago

Help me with this quiz pls

Mathematics

1 answer:

kirill [66]3 years ago

4 0

Answer:

Tan θ = y/z

Step-by-step explanation:

Reference angle = θ

Opposite side to θ = y

Adjacent side = z

Thus:

Tan θ = opposite/adjacent

Tan θ = y/z

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7. The points (3,5) and (2, y) are on a line with a slope of 3. Find y.

PtichkaEL [24]

Answer:

We get value of y: y = 2

Step-by-step explanation:

The points (3,5) and (2, y) are on a line with a slope of 3. Find y.

We can find y using formula of finding slope of a line.

The formula is: $Slope=\frac{y_2-y_1}{x_2-x_1}$

We have $x_1=3, y_1=5, x_2=2, y_2=y$ and Slope = 3

Putting values and finding y

$Slope=\frac{y_2-y_1}{x_2-x_1}\\3=\frac{y-5}{2-3}\\3=\frac{y-5}{-1}\\-1(3)=y-5\\-3=y-5\\y=-3+5\\y=2$

So, we get value of y: y = 2

5 0

3 years ago

7. Which property of polynomials says that the sum of two polynomials is also a polynomial?

vlabodo [156]

Answer:

Closure property

Step-by-step explanation:

The closure property of polynomials for addition says that, if we add any two polynomials , the result is also a polynomial.

For is

${x}^{2} + 2$

is a polynomial.

$x - 2$

is also a polynomial.

The sum of the two polynomials is

${x}^{2} + 2 + x - 2 = {x}^{2} + x$

The result:

${x}^{2} + x$

is also a polynomial.

4 0

3 years ago

Given that <img src="https://tex.z-dn.net/?f=a%5Cneq%20b" id="TexFormula1" title="a\neq b" alt="a\neq b" align="absmiddle" class

xz_007 [3.2K]

Answer:

Step-by-step explanation:

√a+√b=√(a+b)

squaring

a+b+2√a√b=a+b

or 2√a√b=0

which is possible only if a=0 or b=0

Both a and b can't be zero as a≠b

8 0

3 years ago

Find the volume of a cube with the given side: 2cm

Roman55 [17]

Volume is length x width x height.

A cube has the same length, width and height.

The volume of the cube is 2 x 2 x 2 = 8cm

Answer: 8 cm

Happy to help!

8 0

3 years ago

Read 2 more answers

Keith must choose a 3 letter password for a computer account. he can use any of the 26 upper case letters of the alphabet but he

tatyana61 [14]

The first letter can be any of 26.
The second letter can be any of the remaining 25.
The third letter can be any of the remaining 24.

26*25*24 = 15,600 passwords are possible

3 0

3 years ago