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
-BARSIC- [3]
2 years ago
6

What is the value of x in 5x - 7 = y, if y =8

Mathematics
2 answers:
quester [9]2 years ago
3 0
<h3>Answer:  x = 3</h3>

To get that answer, we replace y with 8 and then isolate x.

5x-7 = y

5x-7 = 8

5x = 8+7

5x = 15

x = 15/5

x = 3

AfilCa [17]2 years ago
3 0

Answer:

The value of x is 3.

Step-by-step explanation:

5x-7=y

5x-7=8

5x=8+7

5x=15

x=15/5

x=3

You might be interested in
The # of taxi accidents is approximated by y = -143.3x^2 + 1823.3x + 6820 and the # of injuries is approximated by y = -416.72x^
spin [16.1K]
To analyze the problem first is to arrange the equations according to their uses:
# of taxi accident y = -143.3X^2+1823.3x+6820
# of injuries y = -416.72X^2+4416.7x+8500
So the answer if X = 9 will be represented by 1999
# of taxi accident y = 11622.4
# of injuries y = 14495.98
I hope you understand the answer and feel free to ask for more.
3 0
3 years ago
Find the area of 2/5 yd and 3/7 yd
mezya [45]
(2/5)(3/7) = 6/35

The area of your square is 6/35 yds²


4 0
3 years ago
Convert y=x^2-4x-2 to vertex form
s344n2d4d5 [400]

Hopefully this can help you

5 0
3 years ago
Evaluate the expression and enter your answer below.<br> 5•(4+5) - 7^2
galben [10]

Answer:

Yes

Step-by-step explanation:

5 0
3 years ago
Verify cos(x+y)/cos(x-y) = cot(x-y)/cot(x+y)
JulijaS [17]

\bf \cfrac{cos(x+y)}{cos(x-y)}=\cfrac{cot(x-y)}{cot(x+y)} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{expanding the left-hand-side}}{\cfrac{cos(x)cos(y)-sin(x)sin(y)}{cos(x)cos(y)+sin(x)sin(y)}} \\\\[-0.35em] ~\dotfill

\bf \stackrel{\textit{expanding the right-hand-side}}{\cfrac{~~ \frac{cos(x)cos(y)+sin(x)sin(y)}{sin(x)cos(y)-cos(x)sin(y)}~~}{\frac{cos(x)cos(y)-sin(x)sin(y)}{sin(x)cos(y)+cos(x)sin(y)}}} \\\\\\ \cfrac{cos(x)cos(y)+sin(x)sin(y)}{sin(x)cos(y)-cos(x)sin(y)}\cdot \cfrac{sin(x)cos(y)+cos(x)sin(y)}{cos(x)cos(y)-sin(x)sin(y)}

3 0
3 years ago
Other questions:
  • Which of the following orderd pairs is a solution of 3x+2y=-19<br>7,-1<br>6,-7<br>-6,-7<br>-7,1​
    10·1 answer
  • Simplify the expression 9(2x)
    15·2 answers
  • If a sample of 66 employees were taken from a population of 820 employees,
    15·1 answer
  • write a symbolic rule to represent the relationship in which the output variable y is 12 less than the input variable x.what is
    13·1 answer
  • What is the solution to the equation1 over the square root of 8 = 4(m − 2)? (1 point)
    7·2 answers
  • What is<br>a^5/a<br>Is it just a^4 or do I need something else?​
    7·1 answer
  • The internal measures of a cuboidal room are 9m, 5m and 6m respectively. Find the total cost of
    5·1 answer
  • 3. A space shuttle in orbit travels about 60,000 kilometers in two hours. What is its average
    12·1 answer
  • Jaylon Bedford ordered a combo meal that included 2 hamburgers and a drink. The combo cost $8.50. If the drink is $1.50, how muc
    8·1 answer
  • PLEASE ANSWER ASAP!!! I HAVE 2 HRS!!!
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!