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
Talja [164]
3 years ago
12

Find the value of -(2/5) - (-1/8) A) -21/40 B) -11/40 C) 11/40 D) 3/13

Mathematics
1 answer:
Yuliya22 [10]3 years ago
3 0

(-2/5)-(-1/8)

Need to make the denominators the same

(-16/40)-(-5/40)

Multiply -2/5 by 8

Multiply -1/8 by 8

-- sign= positive

-16/40+5/40

Answer=-11/40

You might be interested in
What is the result of subtracting the second equation from the first?<br> -2x+y=0<br> 7x+3y=2
ikadub [295]

Answer:

5x -2y = -2

Step-by-step explanation:

-2x+y=0

-7x+3y=2

Subtract the second equation from the first

-2x+y=0

7x-3y=-2

------------------

5x -2y = -2

4 0
3 years ago
Suppose there is a 17.5 % probability that a randomly selected person aged 35 years or older is a smoker. In​ addition, there
nexus9112 [7]

Answer:

The answer is 43% or 0.43

Step-by-step explanation:

Given:

Probability that person selected aged 35years or older is a smoker = 17.5%

Probability that person selected aged 35years or older is a female comma =25.5%

Solution:

a) Probability (35yrs or older is a smoker) + probability (35years or older is a female comma)

= 17.5% + 25.5%

= 43% 0r 0.43

b) No, it would not be unusual because it is by chance, it may and it may not.

8 0
3 years ago
Read 2 more answers
10 feet long and 5 feet wide. What is its area?
Vesna [10]

Answer:

50 square feet

Step-by-step explanation:

Length x width

8 0
3 years ago
Read 2 more answers
I have this quiz for today and I promise I don't understand anything, can someone help me? 15 points
lyudmila [28]

Answer:

Step-by-step explanation:

You are given values for x. Plug them in to the given equations. Graph the two lines. Find the intersection. You can tell from the chart when you get the same y value for both equations

3 0
3 years ago
Choose the system of equations which matches the following graph:
Kipish [7]

3x - 2y = 8

- 2y = 8 - 3x

2y = 3x - 8

y = 1.5x - 4

This is the red graph

6x - 4y = 20

- 4y = 20 - 6x

4y = 6x - 20

y = 1.5x - 5

This is the blue one.

So it must be answer d)

3 0
3 years ago
Other questions:
  • PROBLEM 1<br> Which of the following is equivalent to 25 = 32?
    14·2 answers
  • Number 7 I need help
    10·1 answer
  • ed filled his sports bottle with 1.2 liters of water. after his bike ride he drinks 200 milliliters of water. how much is left i
    14·2 answers
  • What is the value of x? Show your work each step of the way. No work means NO points!
    11·1 answer
  • A person walking down the street notices his shadow. If the angle of elevation from the tip of the shadow to the sun is 60° and
    6·2 answers
  • Are the ratios 1:2 and 6:3 equivalent?<br>​
    14·2 answers
  • Select whether the triangle is inscribed in the circle, circumscribed about the circle, or neither.
    10·2 answers
  • 7. which of the following would be an empty set ?
    14·1 answer
  • What is -1/9 + 2/9 equal to
    14·2 answers
  • The drawing is 6 inches long by 4 inches wide a scale of 1 inch = 4 feet whats the answer
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!