1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
omeli [17]
3 years ago
13

1) Multiply and simplify. (x - 4)2

Mathematics
2 answers:
choli [55]3 years ago
7 0

Answer:

Multiply and simplify.

(x - 4)2

A) x2 - 8

Step-by-step explanation:

(x-4)(x-4)

x^2-4*2

x^2-8


Paraphin [41]3 years ago
4 0
To simplify this, we will use the Distributive Property. To use the Distributive Property, we multiply the number outside of the parenthesis by all inside numbers before adding.
2(x-4)
2(x) + 2(-4)
Multiply 2 by each number.
2x - 8 is your answer.
I hope this helps!
You might be interested in
a boat traveled 14 miles per hour downstream. the trip upstream was at a speed of 10 miles per hour. what is the speed of the bo
MariettaO [177]

Answer:

(im not sure what the first question is asking me)

Speed of the current is 2 miles per hour

Step-by-step explanation:

The reason the current is 2 miles per hour is because it when going down stream they were going 14 miles per hour, going upstream they went 10. The difference is 4mph. So if the current pushes you 2mph when going down stream and holds you 2 mph when going up, the constant speed is 12mph then you add and subtract 2 becuase of the two directions youre traveling. hence 10mph and 14mph.

7 0
3 years ago
Noah says that 9X minus 2X plus 4X is equivalent to 3X because the subtraction sign tells us to subtract everything that comes a
lesantik [10]

Answer:

False

Step-by-step explanation:

It is given that Noah thinks :

9x - 2x + 4x = 3x   as the subtraction sign after 9x tells us to subtract everything that comes after 9x.

This is wrong as according to the BODMAS rule, we have to do the addition operation first and then followed by subtraction operation.

That is

⇒ 9x - 2x + 4x

⇒ (9x -2x)+ 4x

⇒ 7x + 4x

⇒ 11x

Therefore the answer to the equation is 11x and not 3x.

8 0
3 years ago
Solving Rational Inequalities and use sign diagram to sketch the graph. Image attached for better understanding.
Digiron [165]

Answer:

x ∈ (-∞, -1) ∪ (1, ∞)

Step-by-step explanation:

To solve this problem we must factor the expression that is shown in the denominator of the inequality.

So, we have:

x ^ 2-1 = 0\\x ^ 2 = 1

So the roots are:

x = 1\\x = -1

Therefore we can write the expression in the following way:

x ^ 2-1 = (x-1)(x + 1)

Now the expression is as follows:

\frac{(x-2) ^ 2}{(x-1) (x + 1)}\geq0

Now we use the study of signs to solve this inequality.

We have 3 roots for the polynomials that make up the expression:

x = 1\\x = -1\\x = 2

We know that the first two are not allowed because they make the denominator zero.

Observe the attached image.

Note that:

(x-1)\geq0 when x\geq-1

(x + 1)\geq0 when x\geq1

and

(x-2) ^ 2 is always \geq0

Finally after the study of signs we can reach the conclusion that:

x ∈ (-∞, -1) ∪ (1, 2] ∪ [2, ∞)

This is the same as

x ∈ (-∞, -1) ∪ (1, ∞)

6 0
3 years ago
Q2 - Using expressions
Nezavi [6.7K]

Answer:

14x-4w+14y

Step-by-step explanation:

9x+5x-8w+4w+9y+5y

=14x-4w+14y

6 0
2 years ago
A gardener determines the cost of planting daffodil bulbs to be $2.40 per square foot. How much will it cost to plant daffodil b
stellarik [79]

Answer: 144$

Step-by-step explanation: multiply 5 by 12 and then multiply that answer by 2.40

7 0
3 years ago
Other questions:
  • 10.The function f(x) is shown below:
    9·1 answer
  • The newly elected president needs to decide the remaining 8 spots available in the cabinet he/she is appointing. If there are 14
    7·1 answer
  • | If f(x) = 7 + 4x and g(x)= 7, what is the value of (f/g)(5)
    8·2 answers
  • What is the solution to the equation below?<br> -1+ 3x - 8 = 7
    14·1 answer
  • Bob constructed an equilateral triangle PQR as shown. He then drew a straight line ST THROUGH POINT P. Determine the sum of the
    14·1 answer
  • Please help simplify 5y + 3 + 8y - 2
    6·2 answers
  • C'mon any washingtonians???
    8·2 answers
  • StartFraction one-half left-parenthesis x plus 12 right-parenthesis equals 4 x minus 1.(x + 12) = 4x – 1
    11·2 answers
  • A closed container has 7.05 ⋅ 1023 atoms of a gas. Each atom of the gas weighs 1.67 ⋅ 10-24 grams. Which of the following shows
    11·2 answers
  • 187 is 55% how do you find the answer step by step that way I know how to solve problems like these.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!