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gavmur [86]
2 years ago
15

Which expression is equivalent to the given expression?

Mathematics
1 answer:
Aneli [31]2 years ago
8 0

Answer:

-\frac{1}{4}(1 + 2y )

Step-by-step explanation:

Given

-(\frac{1}{2}y + \frac{1}{4})

Required

Select equivalent expression

Write each term as a product of 1/4

-(2 * \frac{1}{4}y + 1 * \frac{1}{4})

Factorize:

-\frac{1}{4}(2 * y + 1 * 1)

-\frac{1}{4}(2y + 1)

Apply commutative property:

-\frac{1}{4}(1 + 2y )

<em>Hence, option (a) is correct.</em>

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A department store sells a pair of shoes with an 87% markup. If the store bought the pair of shoes for $55.25, what is the selli
kolbaska11 [484]
Markup means they sell it for that percentage more than they bought it for. First let's calculate how much they will mark it up for:

\sf 55.25\cdot 87\%

Convert 87% into a decimal(87/100):

\sf 55.25\cdot 0.87

Multiply:

\sf\approx 48

This is how much they'll mark it up, now let's add it to how much they bought it for to find out the selling price:

\sf 48+55.25\approx\boxed{\sf \$ 103}
5 0
2 years ago
Please help me with this homework
fenix001 [56]
A dollar and 92 cents
3 0
2 years ago
The product of two mixed numbers x and y is 10. If x= _ 2/3 and y=_ 3/4 ,<br> find x and y?
Akimi4 [234]

Answer:

  • x = 2 2/3
  • y = 3 3/4

Step-by-step explanation:

There may be other ways to do this. Here's the approach I took. Let the integer part of x be represented by "a", and the integer part of y be represented by "b". Now, we have ...

  (a +2/3)(b +3/4) = 10

Multiplying by 12, this becomes ...

  (3a +2)(4b +3) = 120

There are only 16 divisors of 120, so they can be easily enough checked one at a time.

  120 = 1·120 = 2·60 = 3·40 = 4·30 = 5·24 = 6·20 = 8·15 = 10·12

Of these divisors, the ones that are of the form 3a+2 are ...

  2, 5, 8, 20 . . . . a=0, 1, 2, 6

The ones that are of the form 4b+3 are ...

  3, 15 . . . . b = 0, 3

The factor pair that consists of a number on the first list and a number on the second list is ...

  120 = 8·15

corresponding to a=2 and b=3. So, the mixed numbers you want are ...

  x = 2 2/3

  y = 3 3/4

_____

<em>Check</em>

  (2 2/3)·(3 3/4) =2·3 +2·3/4 +2/3·3 +2/3·3/4 = 6 +6/4 +2 +2/4 = 8+8/4 = 10

6 0
3 years ago
How much faster does Student B read than Student A?
Romashka-Z-Leto [24]

Answer:

He reads faster by 8 pages.

3 0
2 years ago
plzzz finish 4, 5, 6, 9, 10, 11, 12, 14, and 15 you dont have to answer all but atleast anwer like 2 or 3 \( i scratched out the
nika2105 [10]

Answer:

4. -4

5. -2

6. -3

Step-by-step explanation:

4. -12 = 5r + 8

Subtract 8 from both sides;

-20 = 5r

Divide both sides by 5;

-4 = r OR r = -4

5. -6p - 3 = 9

Add 3 to both sides;

-6p = 12

Divide both sides by -6

p = -2

6. -14 = 4x - 2

Add 2 to both sides;

-12 = 4x

Divide both sides by 4;

-3 = x OR x = -3

8 0
2 years ago
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