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
erik [133]
2 years ago
15

What is the value of the variable x?

Mathematics
2 answers:
tatiyna2 years ago
3 0

Answer:

60

Step-by-step explanation:

suter [353]2 years ago
3 0
I don’t wanna do this right now but i’ll post a link under this answer
You might be interested in
What is the solution (x,y) to the system of equations below <br><br> x + 9y = 3<br> y= 1/3 x + 7
Alex_Xolod [135]

Let's solve this by substitution.


y is given by the 2nd eqn as y = (1/3)x + 7. Subst. (1/3)x + 7 into the first eqn as a replacement for y: x + 9( (1/3)x + 7) = 3.


clear out fractions by mult. all 3 terms by 3: 3x + 9x + 63 = 3


Combine like terms: 12x = -60. Then x = -5


Find y by subst. -5 for x in the 2nd equation: y = (1/3)(-5) + 7

= -5/3 + 35/3 = 30/3 = 10.


Thus, the solution (x,y) of this system is (-5,10).


4 0
3 years ago
The symphonic choir and the jazz choir are recording songs for an album. The album can be no more than 72 minutes long. The jazz
zimovet [89]

Answer:

The symphonic choir can record a maximum of 14 songs.

Step-by-step explanation:

We know that the album cannot be more than 72 minutes long, and the jazz choir records a total of 7 (3min) = 21  song minutes.

If we call c the number of songs the symphonic choir records , and each song is 3.5 minute long, then the song minutes for the symphonic choir are 3.5c; therefore, we have the inequality

3.5c+21\leq 72<em> (this says the song minutes for jazz choir plus song minutes for symphonic choice cannot exceed 72 minutes )</em>

We solve this inequality by subtracting 21 from both sides and then dividing by 3.5:

3.5c\leq 51

$c\leq \frac{51}{3.5} $

c\leq 14.47

The maximum integer value c can take is 14; therefore, the maximum number of songs the symphonic choir can record is 14 songs.

3 0
3 years ago
consider this system of linear equations: y = –3x 5 y = mx b which values of m and b will create a system of linear equations wi
Blizzard [7]
No solution means that the lines are paralell and have differnt y intercepts

paralell means has same slope

y=mx+b
m=slope
b=yint

given equation is
y=-3x+5
slope=-3
yint=5

paralell so
y=-3x+b
wher b is any number except 5
example
y=-3x+4
y=-3x+√3
y=-3x-π

basically

m=-3
b=any number except 5
7 0
3 years ago
Read 2 more answers
The G.C.D and L.C.M of three numbers are 3 and 1008 respectively. If two of the numbers are 48 and 72 ,find the least possible v
den301095 [7]

formula= LCM ×GCD of the numbers ÷ The first number

3 0
2 years ago
Given: Isosceles TriangleDEF. The measure of vertex Angle D is four times the measure of each base angle E and F.
777dan777 [17]

Answer:

D = 120° , E = 30° , F = 30°

Step-by-step explanation:

Let D = 4x

Let E&F = x

4x + x + × = 180°[angles in triangle is 180°]

6x = 180°

x = 180/6

x = 30°

E = 30°

F =30°

D =4(30°)

=120°

(Correct me if i am wrong)

4 0
3 years ago
Other questions:
  • 3x^2+5x-3 solve for x using quadratic formula
    8·1 answer
  • Complete the table dkskdsalaoakz
    9·1 answer
  • John gave Peter 2/5 of his CDs
    15·1 answer
  • Find the volume of the sphere to the nearest whole value. The volume is ________ in3
    5·1 answer
  • Angle M has a measure of 36° and Angle N has a measure of 24°. Are these two angles congruent?
    15·1 answer
  • Ali and Janet are selling gifts at a local craft show. For every bar of soap that Ali sells, she earns $5. For every mug that Ja
    10·2 answers
  • Select one of these options to each of these 6 question thar apply to
    14·1 answer
  • A letter is selected at random from the alphabet. What is the probability it is NOT a vowel? I think its 1/25 am I correct?
    12·1 answer
  • There are three square gardens whose lengths of the sides are 3 ft, 7ft, and 2 ft respectively. Find the total area of the three
    5·1 answer
  • If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and –3xz + 5x – 2xy, then the answer is:
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!