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KIM [24]
3 years ago
5

PlEASE ANSWER! x/3 - 4 = 5

Mathematics
2 answers:
Digiron [165]3 years ago
8 0
First of all, x/3 means to divide.

To solve, you need to add 4 and 5 together to find what you need to subtract from 4 to get 5. The answer is 9.

You then multiply 9 by 3 to find x since you have to divide 3 by x to make the problem true.

You get 27 as x since 27 divided by 3 is 9 and 9 minus 4 is 5 so that all works out.
pshichka [43]3 years ago
6 0
3 because 5- 4 is 1 and 3/3=1
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Aleks [24]
<h3>Answer:</h3>

42.  29°

43.  3x³ +2x² -3x +10

44.  20a² +68a

<h3>Step-by-step explanation:</h3>

42.  The right-angle corner tells you the two marked angles are complementary — they sum to 90°.

  (-3x +20)° + (-2x +55)° = 90°

  -5x +75 = 90 . . . . . . . . . . collect terms, divide by °

  -5x = 15 . . . . . . . . . . . . . . . subtract 75

  x = -3 . . . . . divide by the coefficient of x

The angle of interest is (-3x+20)°. Filling in the found value for x, we have ...

  (-3·(-3) +20)° = 29° = m∠BDC

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43.  The distributive property is useful for multiplying polynomials.

  (x +2)(3x² -4x +5) = x(3x² -4x +5) +2(3x² -4x +5)

  = 3x³ -4x² +5x +6x² -8x +10 . . . . . eliminate parentheses

  = 3x³ +2x² -3x +10

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44.  Area is the product of length and width, so this becomes a problem in multiplying polynomials.

  area = (5a +17)(4a) = 20a² +68a . . . . area in square feet

3 0
2 years ago
What is the following sum in simplest form √8 + 3√2 + √32
boyakko [2]
C.
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7 0
3 years ago
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puteri [66]

Answer:

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Step-by-step explanation:

12+3y+y=12+4y

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Oksana_A [137]

Answer:

D

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