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
umka2103 [35]
3 years ago
9

Evaluate. 21 + } + (-)) - Enter your answer as a mixed number in simplest form in the box.

Mathematics
1 answer:
andrew-mc [135]3 years ago
3 0

Evaluate: 2(1/4) + 2/5 ÷ (-1/2) - 1/4

⇛9/4 + 2/5 ÷ (-1/2) - 1/4

Take the LCM of the 4 and 5 is 20.

Again, 2 and 4 is 4.

⇛[(54+8)/20] ÷ [(-2 - 1)/4]

⇛62/20 ÷ (-3/4)

⇛62/20 × 4/-3

⇛62/{5*(-3)}

⇛62/-15.

You might be interested in
Lindsay enjoys looking at the different coins people have thrown into the fountain at the mall. Which statement best explains ho
Nina [5.8K]

Answer: Electrons in water act in a similar way to visible light so they don't absorb or reflect most of the light. Instead they allow it to pass through relatively unimpeded, absorbing wavelengths like infrared and reflecting invisible UV

7 0
3 years ago
Tell me the answer and help me explain please
DENIUS [597]

Answer:

The answer is 9/10

Step-by-step explanation:

8/10 is the same thing as ⅘, ⅘ is just simplified

⅖ is less than ⅘ so it would come before c

6/5 is more than 1 so it wouldn’t be on that number line.

6 0
3 years ago
Read 2 more answers
A triangular prism is 18 inches long and has a triangular face with a base of 16 inches and a height of 15 inches. The other two
Elenna [48]

Answer: I DONT KNOW

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
ILL GIVE THE BRAINLIEST pls help me with this question EVERYTHING IS IN THE PICTURE PLS HELP DUE TODAY ​​IF YOU PUT A WRONG ANSW
balu736 [363]

Answer:

60 yd

Step-by-step explanation:

Volume is length x width x height. Therefore in this case, we do 4x3x5 which turns out to be 60. Also don't forget to add yd after your answer because this is measured in yards.

8 0
3 years ago
Read 2 more answers
What is 0.7b^3•0.4b^9
Dennis_Churaev [7]

It's an expression that can be simplified to read

       ( 0.7  x  0.4 ) ( b³  x  b⁹ )

   =  (      0.28    )  (    b¹²      )  =  0.28 b¹² .

4 0
3 years ago
Other questions:
  • What are the coordinates of the center of a circle whose equation is (x + 7)2 + (y – 5)2 = 16?
    15·1 answer
  • In​ 2000, 46 %46% of the residents in a large city regularly used newspapers for getting news and this has decreased at an avera
    8·1 answer
  • Please help! Don’t have the height to find the area of this trapezoid,
    14·1 answer
  • Find the value of a) 4:12 <br><br>​
    10·1 answer
  • F(x) = 4x + 5<br><br><br><br> Need help have to show all steps
    13·1 answer
  • -8≤2/5(k-2)<br><br><br><br> How do i show my work<br> will give BRAINLEST
    13·1 answer
  • Find the surface area of the above solid.<br> A. 52 cm2<br> B. 43 cm2<br> C. 54 cm2<br> D. 58 cm2
    9·1 answer
  • Give the quadrant each set of coordinates lies in<br><br> 1 , 5<br> -2 , 4 <br> -3 , 2 <br> 4 , -4
    15·2 answers
  • Solve equations using inverse operations HELP NOW!!
    7·2 answers
  • AYO PLEASE HELP ASAP :(
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!