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
igor_vitrenko [27]
2 years ago
11

Can u guys help me with this problem

Mathematics
1 answer:
netineya [11]2 years ago
8 0

Answer:

-0.7 or -\frac{7}{10}

Step-by-step explanation:

-0.75-(-\frac{2}{5})+0.4+(-\frac{3}{4})

The opposite of -\frac{2}{5} is \frac{2}{5}

-0.75 + \frac{2}{5} +0.4 - \frac{3}{4}

Convert decimal number −0.75 to fraction -\frac{75}{100}.

​Reduce the fraction-\frac{75}{100} to lowest terms by extracting and canceling out 25.

-\frac{3}{4} + \frac{2}{5}+0.4-\frac{3}{4}

Least common multiple of 4 and 5 is 20. Convert -\frac{3}{4} and \frac{2}{5} to fractions with denominator 20.

-\frac{15}{20}+ \frac{8}{20} +0.4 - \frac{3}{4}

Since -\frac{15}{20} and \frac{8}{20} have the same denominator, add them by adding their numerators.

\frac{-15 +8}{20} +0.4-\frac{3}{4}

Add -15 and 8 to get -7

-\frac{7}{20}+0.4-\frac{3}{4}

Convert decimal number 0.4 to fraction \frac{4}{10}. Reduce the fraction \frac{4}{10} to lowest terms by extracting and canceling out 2.

-\frac{7}{20}+\frac{2}{5}-\frac{3}{4}

Least common multiple of 20 and 5 is 20. Convert -\frac{7}{20} and \frac{2}{5} to fractions with denominator 20.

-\frac{7}{20}+\frac{8}{20}-\frac{3}{4}

Since -\frac{7}{20} and \frac{8}{20} have the same denominator, add them by adding their numerators.

20-7+8-\frac{3}{4}

Add -7 and 8 to get 1.

\frac{1}{20}-\frac{3}{4}

Least common multiple of 20 and 4 is 20. Convert \frac{1}{20} and \frac{3}{4} to fractions with denominator 20.

\frac{1}{20}-\frac{15}{20}

Since \frac{1}{20} and \frac{15}{20} have the same denominator, subtract them by subtracting their numerators.

\frac{1}{20}-15

Subtract 15 from 1 to get -14.

20-14

Reduce the fraction -\frac{14}{20} to lowest terms by extracting and canceling out 2.

-\frac{7}{10} or -0.7

Hope this helps! Brainliest would be much appreciated! Have a great day! :)

You might be interested in
Ayonna has $300 gift card. She buys video games that cost $50 each . After
abruzzese [7]

Answer:

4

Step-by-step explanation:

300- x =100

50+50=100

100+100=200

300-200=100

300-200=100

so she bought 4 video games

5 0
3 years ago
How to do this helppp ! i need this for my finals
ruslelena [56]

Answer:

9. 168

10.

3 {x}^{2}  - 14x - 24

Step-by-step explanation:

on the picture

if it's helpful ❤❤❤

THANK YOU.

7 0
3 years ago
Solve the following probability problem. Give the answer in a
Lesechka [4]

Step-by-step explanation:

The probability of not selecting green or yellow marble is equal to the probability of selecting red and blue marble

n(S) =17

n(A)=5 (red)

n(B)=6 (blue)

answer is 5+6/17

=11/17

8 0
3 years ago
Use the drawing tool(s) to form the correct answer on the provided coordinate plane.
vlada-n [284]

Answer:

Step-by-step explanation:

X^2-6x+5=x^2-5x-x+5=x(x-5)-(x-5)=(x-5)(x-1)

Then we have (x-5)(x-1)=0 if x=5 or x=1.

Intersections on x are points (1,0) and (5,0), middle is (3,0).

Intersection with y is when put x=0 in equation, so you will get y=0-6*0+5, y=5. The point is (0,5).

From picture symmetry is line x=3.

7 0
3 years ago
Using base ten blocks subtraction
GREYUIT [131]
Is their any multiple questions

4 0
3 years ago
Other questions:
  • Make me your friend and i will mark brainliest<br> and also what is 500^2-40^3/4
    6·2 answers
  • Solve the triangle. <br><br> B = 72°, b = 12, c = 8
    12·2 answers
  • What value of x makes the equation true 4x = 32?
    5·2 answers
  • 1.) Jasmine earns her regular pay of $9.50 per hour for up to 40 hours of
    6·2 answers
  • Given below are the analysis of variance results from a Minitab display. Assume that you want to use a 0.05 significance level i
    10·1 answer
  • Find the area of the composite area
    6·1 answer
  • A + (b + c) = (A + b) + c<br><br><br> What property is this equation
    12·1 answer
  • -3xy-x²y²+1 is evaluated when x=-1 and y=-1 , then what is the exact value ?<br>​
    5·2 answers
  • A long year end status report for work is 136 pages long. You need to print 19 copies for a meeting next week. How much is the p
    12·1 answer
  • Find the missing side of this right
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!