2 years ago

Which expression is equal to p + (q + r)?

Mathematics

1 answer:

Svetradugi [14.3K]2 years ago

3 0

Answer:

(p + q) + r

is the correct answer

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A store holiday sale has an item marked down by $10 with an additional discount of 25% off the

ValentinkaMS [17]

Answer:

C : $58.36

Step-by-step explanation:

Given:

A store holiday sale has an item marked down by $10.

Discount on new price = 25%

Final price was $36.27.

Question asked:

what was the original ?

Solution:

Let original price = $x$

New price = $x - 10$

Original price - marked down amount - discount amount = $36.27

$x - 10 -25\% of(x - 10 ) = 36.27\\$

$x - 10 - \frac{25}{100} (x - 10) = 36.27\\x - 10 - 0.25(x - 10) = 36.27\\x - 10 -0.25x +2.5 = 36.27\\0.75x - 7.5 = 36.27\\$

Adding both side by 7.5

$0.75x = 43.77\\$

Dividing both side by 0.75

$x = 58.36$

Therefore, the original price was $58.36

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3 years ago

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neonofarm [45]

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3/1 I am not absolutely sure though...

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If f(x) = x4+ 5x-3,them land the value of (-1), f(1 by -2)<br>2x-1x2

Bezzdna [24]

Answer:

-12

Step-by-step explanation:

-1 multiple by x and -1 multiple by 5 all together is -12

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3 years ago

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Vinvika [58]

I'm not sure I think the answer 7

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Solve for x. 4(x+113)=923 Enter your answer as a mixed number in simplest form in the box.

Svet_ta [14]

Answer:

$4(x + 113) = 923 \\ 4x + 452 = 923 \\ 4x = 471 \\ x = \frac{471}{4} \\ x = 117 \frac{3}{4}$

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3 years ago