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snow_tiger [21]
3 years ago
15

Need help anybody What is 30-(15-5)=?

Mathematics
2 answers:
Zina [86]3 years ago
7 0

Answer:

30-(15-5)=20

15-5=10

30-10=20

Step-by-step explanation:

Colt1911 [192]3 years ago
6 0

Answer:

20 is the right answer

Step-by-step explanation:

20

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A shipment to the warehouse has 4500 mp3 players 50 random samples are tested and 3 are defective how many defective mp3 players
nikitadnepr [17]

Answer:

4447.... i think

Step-by-step explanation:

5 0
2 years ago
Sarah Rhodes prepared one gallon of hot
makvit [3.9K]

1 gallon = 128 ounces

Divide total ounces by ounces per cup:

128 / 4 = 32

She had 32 servings

8 0
2 years ago
Find an equation for the inverse of the relation y=6x-3. Show how you found the inverse equation.
Elis [28]
Hi there! The answer is y = 1/6x + 1/2

To find the inverse function x and y need to switch places.

y = 6x - 3 \\ x = 6y - 3

Now rewrite the equation, until it will be in standard form (slope-intercept form) again.
x = 6y - 3

Add 3.
x + 3 = 6y

Switch sides.
6y = x + 3

Divide both sides by 6.
y =  \frac{1}{6}  x+  \frac{3}{6}  \\ y =  \frac{1}{6} x +  \frac{1}{2}

Hence, the answer is y = 1/6x + 1/2.
~ Hope this helps you!
4 0
3 years ago
Solve the system x+3=22 2x-y=2
steposvetlana [31]

Hello from MrBillDoesMath!

Answer:

x = 19, y = 36

Discussion:

x + 3 = 22     (*)

2x - y = 2      (**)


Subtract 3 from both sides of (*)

x + 3 -3 = 22 = 3 = 19  =>

x = 19


Substitute x= 19 in (**)

2(19) - y = 2 =>

38 - y = 2 =>           (add y to both sides)

38 -y + y = 2 + y =>

38 = 2 + y  =>         (subtract 2 from both sides)

38 -2 = 2 -2 + y =>

36 = y


Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


3 0
3 years ago
Solve this equation x-3=4
MAXImum [283]

Answer:

x-3= 4

x= 4+3

Answer: x= 7

5 0
3 years ago
Read 2 more answers
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