MATHEMATICS MIDDLE SCHOOL

URGENT !!! f(x) = x^2. what is g(x)?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Hello

The point (2,1) is on he graph of g

which means that g(2)=1

for A g(2)=2*4=8

for B g(2)=1/(2*2)

for C g(2)=1

for D g(2) =4/2=2

for the correct answer is C

Hope this helps

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The side view of a house( The "side elevation") is often in the shape of a pentagon. If the angle at the roof is 150 degrees and there are two other angles of 90 degrees, what is the sum of the measures of the other two angles? Explain ,please! =)

Answers

Sum of the interior angles of a pentagon is 180(5 - 2) = 180 x 3 = 540 degrees.
Sum of the two angles is 540 - 150 - 90 - 90 = 210 degrees.

Answer:

the sum is 180

Step-by-step explanation:

multiply

Malika's father also offers to put a gift of money in her savings account. He gives an amount equal to 0.15 times the amount Malika saves. How much money does Malika have in her savings account after the gift from her grandparents and her father? (Malika has $282 in her savings account from her grandaprents)

Answers

Let, the original money in Malika's account = x
Grandparent's money = 0.25x = 282
x = 282 / 0.25
x = $1128

So, Father's money = 1128 × 0.15 = $169.2

Now, Total Money in her account would be: 1128 + 282 + 169.2 = $1579.2

In short, Your Final Answer would be $1579.2

Hope this helps!

What does y=3x mean on a line graph

Answers

In order to do this you need to follow these five
1) Know what each of the variables mean in an equation of a line. The equation of a line is y = mx + b where y = y-coordinate, m = slope, x = x-coordinate, and b = y-intercept.

5) An equation is called an if its solution set consists of all real numbers.

Answers

Answer:

identity

Step-by-step explanation:

Answer:

a statement that the values of two mathematical expressions are equal

Step-by-step explanation:

Evaluate cot 120° without using a calculator by using ratios in a reference triangle.

Answers

The reference angle for $120\degree$ is $60\degree$ .

Recall that $cot(120\degree) = (1)/(tan(120\degree))$

This implies that $cot(120\degree) = (1)/(tan(60\degree))$

Recall also from $30\degree - 60\degreee - 90\degree$ triangle that

$tan(60\degree)=\sqrt(3)$ and also since $120\degree$ is the in the second quadrant, the tangent ratio is negative.

Putting all together we have

$cot(120\degree) = (1)/(-\sqrt(3))$

Rationalizing the denominator gives

$cot(120\degree) = (-\sqrt(3))/(3)$

Answer:

The value of cot 120° is $-(√(3))/(3)$ .