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Stella [2.4K]
3 years ago
14

X-y=4. work out the value of 3(x-y)

Mathematics
2 answers:
ddd [48]3 years ago
7 0

Answer:

12

Step-by-step explanation:

(x - y) = 4 \\ 3(x - y) = 3 \times (x - y) \\ 3 \times (x - y) \\ 3 \times 4 \\  = 12

hope this helps you.

Basile [38]3 years ago
5 0
<h2><em>Answer:</em></h2><h2><em>1</em><em>2</em></h2>

<em>solution \\ x - y = 4 \\ now \\ 3(x - y) \\  = 3 \times 4 \\  = 12</em>

<em>hope </em><em>this </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em>

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Point M is the midpoint of AB. The coordinates of point A are (-8, 3) and the coordinates of M are (-2, 1). What are the coordin
ch4aika [34]

Answer:

the coordinates of point B are (-5, 2)

Step-by-step explanation:

1. use midpoint formula to find the midpoint (equation attached below)

2. plug in the numbers

(\frac{-8+(-2)}{2},\frac{3+1}{2})

3. solve

(\frac{-8-2)}{2},\frac{3+1}{2})

(\frac{-10}{2},\frac{4}{2})

(-5,2})

4 0
3 years ago
7 - 4 ( d - 3 ) = 23
astra-53 [7]

7 - 4 ( d - 3) = 23

7 - 4d + 12 = 23

Subtract 12 from both sides,

7 - 4d = 11

Subtract 7 to both sides

- 4d = 4

Divide -4 to both sides

d = -1

8 0
3 years ago
Read 2 more answers
Maria works as a part- time waitress and earns $30 per day plus 2% of all sales of food and drinks during the day
ollegr [7]

Answer:

y = 30 + 0.02x

Step-by-step explanation:

Required

Write an equation to present her daily earnings?

Let daily sales be represented by x and daily earnings be represented by y.

y is calculated as thus;

y = Earnings + Commission * Sales

y = 30 + 2\% * x

Convert percentage to decimal

y = 30 + 0.02 * x

y = 30 + 0.02x

Hence, her daily earnings is y = 30 + 0.02x

5 0
3 years ago
The 1997 value of an object was $9500. In 2012, it was worth $5000. The annual percent of decay has been constant. What is the a
vova2212 [387]
Hello,

Here is your answer:

The proper answer to this question is option D "4.19%".

Your answer is D.

If you need anymore help feel free to ask me!

Hope this helps!
5 0
3 years ago
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If 3/5 w = 4/3, what is the value of w?
elena55 [62]

Answer:

w=20/9 or w=2 2/9

Step-by-step explanation:

Multiply each side by 5/3. Then reduce the numbers with the greatest common divisor which is 5 do the same with 3. then multiply the fractions and thus the answer of 20/9 you can simplify the improper fraction if you want the answer is still the same. Hope this helps.

5 0
3 years ago
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