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
Vinvika [58]
4 years ago
10

-10x-3-2.5x+20=67 solve equation

Mathematics
1 answer:
dlinn [17]4 years ago
4 0

Answer:

x = -4

Step-by-step explanation:

combine like terms

-10x - 3 - 2.5x + 20 = 67

-12.5x + 17 = 67

subtract 17 from both sides of the equal sign

-12.5x = 50

divide -12.5 from both sides of the equal sign

x = -4

You might be interested in
If -a=6 and x=-3... then what is -a+4x
soldier1979 [14.2K]
6+(-3x4)
6+ -12
6-12
-6
6 0
3 years ago
Suppose two events A and B are mutually exclusive, with P(A) ≠ 0 and P(B) ≠ 0. By working through the following steps, you'll se
DanielleElmas [232]

Answer with Step-by-step explanation:

We are given that two events A and B are mutually exclusive.

A\cap B=\phi

P(A\cap B)=0

P(A)\neq 0

P(B)\neq 0

a.For mutually exclusive events,

P(A/B)=\frac{P(A\cap B)}{P(B)}=\frac{0}{P(A)}=0

Therefore, event A can not occurred if event B has occurred because two events can not occur together.

Answer:No, by definition mutually exclusive events cannot occur together.

b.When two events are independent

Then , P(A\cap B)=P(A)\cdot P(B)

P(A/B)=\frac{P(A)\cdot P(B)}{P(B)}=P(A)

If two events are mutually exclusive then

P(A\cap B)=0

Then , P(A/B)=0

Therefore, P(A/B)\neq P(A)

Hence, we can concluded that events A and B are not independent if they are mutually exclusive.

Answer:Yes, P(A/B)\neq P(A)

7 0
3 years ago
How do you solve this 2 step equation: n+5/-16=-1
Sophie [7]
N+5/-16=-1
N+5=16
N=11
4 0
3 years ago
Line QR contains (2, 8) and (3, 10) Line ST contains points (0, 6) and (-2, 2). Lines QR and ST are (4 points)
Inessa [10]
Slope formula:
m  = y2 - y1 / x2 - x1

Line QR: (2,8) (3,10)
m = 10 - 8 / 3 - 2 = 2 / 1 = 2

Line ST: (0,6) (-2,2)
m = 2 - 6 / -2 - 0 = -4/-2 = 2

<span>c. parallel because the slopes are the same</span>
3 0
3 years ago
What is the slope of the line?? PLZ help
Masja [62]
The slope is 2 hopefully this helps
7 0
3 years ago
Read 2 more answers
Other questions:
  • 9. A bag contains 13 blue blocks
    6·1 answer
  • What is the value of In 1/e^3
    12·1 answer
  • Can someone help me ASAP?!
    13·1 answer
  • A male African elephant weights 7 tons. If a African lion at the local zoo weights 1/4 of the weight of the male African elephan
    10·2 answers
  • he average score of students on an anthropology test is 32, and the standard deviation is 3.5, For this normally distributed dat
    6·1 answer
  • Apply the Pythagorean Theorem to find the distance between points A and C.
    8·1 answer
  • Determine if the triangle are similarity side-side-side similarity<br>​
    9·1 answer
  • The blueprints of a new barn have the scale of 2/5 inch = 8 feet.
    6·2 answers
  • A members only speaker series allows people to join for $17 and then pay $1 for every event attended. What is the maximum number
    12·1 answer
  • What is the meaning of equations​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!