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VashaNatasha [74]
3 years ago
7

Evaluate the equation; 38 + 16 ⋅ 12 ÷ 2 - (30 ⋅ 2)

Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0
The answer would be 74
Usimov [2.4K]3 years ago
3 0
Follow the rule of PEMDAS, 
38 + 16 . 12 /2  - (30 . 2)
38 + 16 . 6 - 60
38 + 96 - 60
38 + 36
74

In short, Your Answer would be 74

Hope this helps!
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A man that is 6 feet tall casts a shadow 5 feet long. At the same time, a lamppost beside the man casts a shadow 25 feet long. H
Montano1993 [528]

Answer:

The answer to your question is:  L = 30 ft

Step-by-step explanation:

Data

man = 6 ft

man shadow = 5 ft

lamppost shadow = 25 ft

lamppost height = ? = L

Process

                   \frac{6}{5} = \frac{L}{25}

                    L = \frac{6 x 25}{5}

                    L = \frac{150}{5}

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Semenov [28]

Answer:

$42.09

Step-by-step explanation:

1. multiply the cost per gallon (3.45) by the gallons purchased (12.2)

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6 0
3 years ago
Help with this question
Morgarella [4.7K]

Answer:

C) (x-3)(x+3)

Note:

Just a tip there is an app called Desmos where you can put in equations like this and it will graph them for you.

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antiseptic1488 [7]

Answer:

  1. there are 4 complex solutions
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Step-by-step explanation:

1. Descarte's rule of signs tells you there are 0 positive real roots and 0 or 2 negative real roots. (for positive x, signs are ++++ so have no changes; for negative x, signs are ++-+, so have 2 changes.) A graph shows no real roots.

2. There are 3 sign changes in the given polynomial, so 3 or 1 positive real roots. When the sign of x is changed, there are 2 sign changes, so 0 or 2 negative real roots. A graph shows 2 negative and one positive real root (for a total of 3), so the remaining 2 roots are complex.

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