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
Setler [38]
3 years ago
12

Please help me !! simplify the following answer :

Mathematics
2 answers:
S_A_V [24]3 years ago
8 0

I got -138. I could be wrong but I hope this helped!

Roman55 [17]3 years ago
5 0

78

x=-3. Plug -3 into x

6(2(-3^{2} )-5)=?

We will follow PEMDAS for this.

-3²=9. A negative multiplied by a negative always equals a positive.

9×2=18

18-5=13

13×6=78

PEMDAS is Parentheses Exponents Multiplication Division Addition Subtraction. You will hear of  it as Please Excuse My Dear Aunt Sally to begin with.

You might be interested in
Recall the formula for the area of a trapezoid, A=1/2h(a+b) , where h is the height and a and b are the lengths of the parallel
Gekata [30.6K]

Answer:

The area of the trapezoid is 40 square inches

Step-by-step explanation:

Here, we want to find the area of the given trapezoid

Mathematically, we apply the formula for the area

In this case, a will be 10, b will be 6 and h will be 5

Substituting these values, we have that ;

A = 1/2(10 + 6)5

A = 1/2(16)(5)

A = 40 square inches

7 0
3 years ago
Read 2 more answers
Extra points to the brainiest answer!
mixer [17]

Answer:

Step-by-step explanation:

That'd be the second root of 7^3, where 3 is the exponent of the radical.

6 0
3 years ago
Read 2 more answers
I'm supposed to write out an algebraic equation, and then solve the equation. If you can help me, with work shown, you'll get vo
Arada [10]

Answer:

simple just follow me and mark it brainliest

Step-by-step explanation:

LET THE THREE CONSECUTIVE EVEN INTEGERS BE

(x+2) ,(x+4) ,(x+6)

then

according to the question

4(x+2) – (x+6) = 2(x+4) + 6

4x + 8 – x – 6= 2x + 8+6

3x +2 = 2x + 14

3x – 2x= 14 –2

x= 12

the numbers are

14

16

18

5 0
3 years ago
Read 2 more answers
If x = 2, then x second power - 3x -+5
ICE Princess25 [194]
X^2 - 3x + 5
2^2 - 3(2) + 5
4 - 6 + 5
3
3 0
4 years ago
Which Choice is equivalent to the quotient shown here when x is greater or equal to 0
m_a_m_a [10]

\sqrt{ \frac{27x}{48} }  =  \sqrt{ \frac{ {3}^{3}x}{ {2}^{4} \times 3 } }  =   \sqrt{ \frac{ {3}^{2}x }{ {2}^{4} } }  =  \frac{3 \sqrt{x} }{4}
6 0
3 years ago
Read 2 more answers
Other questions:
  • Number 3 Show me how you got it
    9·1 answer
  • During an evening out, Dean paid a cab driver $20. He then spent $25 on dinner and half of his remaining money on a painting. He
    12·1 answer
  • Which of the following is a characteristic of a line?
    5·1 answer
  • I need help on #3 please help
    5·2 answers
  • What does 12.5= in pt
    8·1 answer
  • If $2887.51 is 60%, What is 100%?
    9·1 answer
  • In right triangle ABC, ∠C is a right angle and sin A = sin B. Solve for m∠A.
    8·2 answers
  • Pick one of the following answers
    13·1 answer
  • Is 8 yard, 9 yards, and 12 yards right triangle
    7·1 answer
  • If –3 + i is a root of the polynomial function f(x), which of the following must also be a root of f(x)? –3 – i –3i 3 – i 3i
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!