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
allsm [11]
3 years ago
11

Evaluate the following when x = 3 2x+ 5(x)

Mathematics
1 answer:
Nina [5.8K]3 years ago
4 0

Hi!

I can help you with joy!

Evaluate:

\fbox{2x+5x} when \fbox{x=3}

First, add x's:

\rm{7x}

Now, plug in the value of x (3)

\rm{7(3)

Multiply:`

\rm{21} (Answer)

Hope it helps!

Ask me if you have any doubts.

  • Enjoy Your Day/Night! :)

<em>Answered by</em>

<em>~</em>Silent~

You might be interested in
Can someone help explain this to me? I’d appreciate it a lot.
gregori [183]
When you put + - and x in the spaces, no matter the order, the answer will be a multiple of 4. Therefore you have to use ÷ to get 2 for the answer. The answer is 4÷4+4÷4=2.
7 0
3 years ago
Awarding brainliest!!!
Alex Ar [27]

Answer:

m=3

Step-by-step explanation:

6m+5-3m=7(m-1)

Combine like terms

3m+5=7(m-1)

Distribute the 7

3m+5=7m-7

Subtract 3m from each side

4m-7=5

Add 7 to each side

4m=12

Divide by 4

m=3

8 0
3 years ago
Read 2 more answers
Square RSTU is translated to form R'S'T'U', which has vertices R'(–8, 1), S'(–4, 1), T'(–4, –3), and U'(–8, –3). If point S has
MrMuchimi

The answer to this question is C

8 0
3 years ago
Read 2 more answers
Can some one explain how to do this please?
AleksandrR [38]
N = x/y because  its in the middle
6 0
3 years ago
Can you please answer this question
tamaranim1 [39]
3tan^{2} \theta +7sec\theta=3
First I converted the equation terms into sine and cosine.
tan^{2}\theta = \frac{sin^{2}\theta}{cos^{2}\theta} and sec\theta= \frac{1}{cos\theta}
Substitution:
\frac{3sin^2\theta}{cos^2\theta} + \frac{7}{cos\theta} =3
Common Denominator Created:
\frac{3sin^2\theta}{cos^2\theta} + \frac{7cos\theta}{cos^2\theta} =3
Multiply each term by the LCD:
3sin^2\theta+7cos\theta=3cos^2\theta
Substitution: Recall ⇒sin^2\theta =1-cos^2\theta 
3(1-cos^2\theta)+7cos\theta=3cos^2\theta
Distribute and collect all terms on one side:
6cos^2\theta-7cos\theta-3=0
Factor and set each factor equal to 0:
(2cos\theta-3)(3cos\theta+1)=0
2cos\theta-3=0⇒theta=cos^{-1} \frac{3}{2}
3cos\theta+1=0⇒theta=cos^{-1} \frac{-1}{3}
The 2nd factor provides only possible answer 109.5 degrees

4 0
3 years ago
Other questions:
  • What is the slope intercept form in equation form of this graph?
    13·1 answer
  • Gabriel saves 40% of his monthly paycheck for college.He earned $270 last month.How much money did Gabriel save for college?
    14·1 answer
  • Write an equation of the line with the given slope and containing the given point. write the equation in the​ slope-intercept fo
    15·1 answer
  • 2. <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B9%7D%20" id="TexFormula1" title=" \sqrt{9} " alt=" \sqrt{9} " align="absmi
    15·2 answers
  • PLZ I NEED HELP BUT PLZ EXPLAIN WHEN YOU ANSWER
    5·2 answers
  • In which situation would you opt for a car lease?
    10·2 answers
  • DEFG is a parallelogram. Segment DH = 2y + 6, segment HF = 4x + 1, segment HE = 3x + 2 and segment GH = 20. Find the value of GE
    9·1 answer
  • A sample of 2,500 people was asked how many cups of coffee they drink in the morning. You are given the following sample informa
    10·1 answer
  • What is the slope of this line?
    11·2 answers
  • A basketball player averaged 22.3 points per game during his collegiate career. He played in 148 games total. How many points di
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!