MATHEMATICS HIGH SCHOOL

Factor the expression completely.

4x2 - 12x + 9

Answers

Answer 1
Answer: (2x - 3)(2x - 3)
the answer to the question

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Find 11/12+(-7/12). Write your answer as a fraction in simplest form

Answers

Answer: 1/3

Step-by-step explanation:

To add fractions with different denominators, we first need to find a common denominator. In this case, the common denominator is 12.

11/12 + (-7/12) = (11 - 7) / 12

Simplifying the numerator gives us:

4/12

We can further simplify by dividing both the numerator and denominator by their greatest common factor, which is 4.

4/12 = 1/3

Therefore, 11/12 + (-7/12) = 1/3.

(x³-9x)/(x²-2x-3) is equal to

Answers

Answer:

Step-by-step explanation:

At noon, train A leaves Bridgton headingeast at 90 mi/h to Cogsville. At 12:30 PM,
train B leaves Bridgton and heads east at
100 mi/h. At what time will train B catch
up to train A?

Answers

Train B will catchup to Train A at 5:30 PM.

We have,

d = distance covered by both trains when they meet

t = time it takes for train B to catch up to train A

For train A:

Distance = Speed × Time

d = 90t

For train B:

Distance = Speed × Time

d = 100(t - 0.5) (train B departs 30 minutes (0.5 hours) later than train A)

Since both equations represent the samedistance, we can set them equal to each other:

90t = 100(t - 0.5)

Let's solve for t:

90t = 100t - 50

10t = 50

t = 5

It will take 5 hours for train B to catchup to train A.

To determine the time when train B catches up to train A, we add the 5 hours to the departure time of train B, which is 12:30 PM:

12:30 PM + 5 hours = 5:30 PM

Therefore,

Train B will catchup to Train A at 5:30 PM.

Learn more about speed here:

brainly.com/question/7359669

#SPJ6

I'd say maybe by 5:30 b would

Joan has a piece of fabric in the shape of a triangle. She measures two of the angles of the triangle, and each one is 60⁰. She creates two new triangles by cutting the fabric into two identical pieces with a single, straight cut through one of the vertices. Which word describes each of the two new triangles created by Joan's cut?

Answers

Answer:

Congruent

Step-by-step explanation:

By definition, congruent shapes have equal corresponding side lengths and equal corresponding angle measures, thus are identical. The question clearly states that Joan cut the fabric into two identical pieces with a straight cut through one of the vertices, hence the two triangles are congruent.

Answer:

Congruentword describes each of the two new triangles created by Joan's cut.

If f(x) = 3x + 2 and g(x) = x2 – x, find each value.
17 f(-2)=
f(-2) =

Answers

Answer:   -4

Work Shown:

f(x) = 3x + 2

f(-2) = 3(-2) + 2 ... each x replaced with -2

f(-2) = -6 + 2

f(-2) = -4

Why might you want to use thecommutative property to change the order of the integers in the following sum before adding?

Answers

Answer :

You can use commutative property or can not be .It is not necessary to use it for given addition of integers.

Step-by-step explanation:

We are given that an expression

-80+(-173)+(-20)

By simplfy simply without using commutative property

-80-173-20=-273

Because minus minus is plus then all integers will be added.

Simplfy by using commutative property

-80+(-173)+(-20)

-80+(-20)+(-173)  (Commutative property a+b=b+a)

-100+(-173)=-273

The answer should not change .Hence, if you want use commutative property to change the order of the integers then answer does not effected.So, you can use it or can not be .
u would do this because no matter the order, the answer will be the same
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