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Agata [3.3K]
4 years ago
9

Car Mileage for a

Mathematics
2 answers:
NARA [144]4 years ago
6 0

Answer:

60

Step-by-step explanation:

Mila [183]4 years ago
4 0

Answer:

60

Step-by-step explanation:

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12(5+2y)=4y-(6-9y) how to solve and check solution
stepladder [879]

Answer:


Step-by-step explanation:

12(5+2y)=4y-(6-9y)

Distribute

12*5 +12*2y = 4y - 6 +9y

60 +24y = 4y - 6 +9y

Combine like terms

60+24y =13y -6

Subtract 13 y from each side

60 +24y-13y=13y-13y -6

60+11y = -6

Subtract 60 from each side

60+11y-60 =-6 -60

11y = -66

Divide by 11

11y/11 = -66/11

y =-6


Check

12(5+2(-6))=4(-6)-(6-9(-6) )

12 (5-12) = -24 - (6+54)

12(-7) = -24 -60

-84 = -84

True so the solution is correct

3 0
4 years ago
Read 2 more answers
A backstroke swimmer on the Brown Middle School swim team is required to spend at least 70% of his or her total laps practicing
Serjik [45]
There is no table so I cannot help you other than to say
to find the answer multiply the time swimming of each participating swimmer by .7 and you shall get your time.
3 0
4 years ago
Which is 23/5 expressed as a whole or mixed number?
Yuri [45]
You need to know how many times 5 can go into 23, it would be 4 times because 4*5=20 then 23-20=3 so put it together and get 4 3/4
If i am incorrect I apologize. 

3 0
3 years ago
Read 2 more answers
Need help with this question. I tried simplifying the radical, but apparently it’s not the answer
sesenic [268]

Answer:

-1/5+(√3)/20i   or   -0.2+0.05√3i

Step-by-step explanation:

  \dfrac{-8+\sqrt{-12}}{40}=-\dfrac{8}{40}+\dfrac{2\sqrt{3}i}{40}=\boxed{-\dfrac{1}{5}+\dfrac{1}{20}\sqrt{3}\,i=-0.2+0.05\sqrt{3}\,i}

_____

<em>Comment on answer form</em>

Satisfying the input format requirements of a computer is always problematic. One never knows if fractions or decimals are preferred, whether radicals must be simplified, and so on. If no clues are offered by general instructions, other questions, or previous experience, then it might be useful to consult your instructor.

4 0
3 years ago
What is the value of x in the equation 3/4x+4=5/8
Radda [10]
\frac{3x}{4} +4= \frac{5}{8}
Multiply both sides by 8.
2(3x) + 8(4)= 5
6x+32=5
Subtract 32 from both sides
6x=-27
Divide both sides by 6.
x=-27/6
Simplify
x=-9/2

Answer: x=-9/2
8 0
3 years ago
Read 2 more answers
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