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2 years ago

The sum of d and 5 please help if you can

Mathematics

1 answer:

Ugo [173]2 years ago

3 0

Answer:

d+5 or 5+d

Step-by-step explanation:

Sum means to add so if we add the two we get d+5

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Add the polynomials. (5x2−8x+8)+(6x3−5x) The sum is_____. (Simplify answer.)

anastassius [24]

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2 years ago

3 divided by what equals -8.16

antiseptic1488 [7]

-2.72
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3 years ago

What single percentage change is equivalent to a 7% decrease followed by a 12% increase?

dsp73

Answer:

Step-by-step explanation:

decrease 7%

100 - 7% = 93

increase 12%

93 + 12% = 104.16

104.16 - 100 = 4.16%

8 0

2 years ago

573÷3 i feel like i did something wrong with the 27

Tom [10]

You did everything right. The correct answer is 191

Hope this helps

7 0

3 years ago

Read 2 more answers

Hii! I need some help, would anyone mind helping me?

Kisachek [45]

Step-by-step explanation:

${x}^{2} - 14x - 25 {y}^{2} + 100y = 76$

Factor by grouping,

$( {x}^{2} - 14x) - (25 {y}^{2} - 100y) = 76$

Complete the square, with the x variables,

$( {x}^{2} - 14x + 49) - (25 {y}^{2} - 100y) = 125$

Factor out 25 for the y variables

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y) = 125$

Complete the square

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y + 4) = 25$

Simplify the perfect square trinomial

$(x - 7) {}^{2} - 25(y - 2) {}^{2} = 25$

Make the right side be 1 so divide everything by 25.

$\frac{(x - 7) {}^{2} }{25} - (y - 2) {}^{2} = 1$

Here our center is (7,2).

8 0

2 years ago