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Nadusha1986 [10]
4 years ago
7

Witch expressions are equivalent to (-2.4a-1.8b)-(-3.8a-4.4b)+(2.0a+3.0b)

Mathematics
2 answers:
yanalaym [24]4 years ago
6 0

Answer:

5.6b + 3.4a

Step-by-step explanation:


PtichkaEL [24]4 years ago
6 0

Answer: Simplified form is -4.2a+5.6b

Step-by-step explanation:

Since we have given that

(-2.4a-1.8b)-(-3.8a-4.4b)+(2.0a+3.0b)

We first gather the like terms together:

(-2.4a-1.8b)-(-3.8a-4.4b)+(2.0a+3.0b)\\\\=(-2.4a-1.8b)+3.8a+4.4b+2.0a+3.0b\\\\=-2.4a-3.8a+2.0a-1.8b+4.4b+3.0b\\\\=-4.2a+5.6b

Hence, simplified form is -4.2a+5.6b

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Factor completely x3 − 2x2 − 5x + 10.
Akimi4 [234]

Answer:

(x-2) (x^2 -5)

Step-by-step explanation:

x^3 − 2x^2 − 5x + 10

We will factor by grouping

Take and x^2 out of the first two terms and  -5 out of the last two terms

x^2 (x-2) -5(x-2)

Now we can factor out (x-2)

(x-2) (x^2 -5)

5 0
3 years ago
Which option is equivalent to log 7 - log 2? A. log 5 7 B. log O C. log 9 OD. log 72​
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Answer:

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Step-by-step explanation:

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4 years ago
What would you expect the nominal rate of interest to be if the real rate is 4.4 percent and the expected inflation rate is 7.5
ANTONII [103]

Answer:

Nominal Interest rate=11.9%

Step-by-step explanations:

The Fisher effect is a theory propounded by an economist named Irving Fisher.

Fisher's equation shows the relationship between real Interest rate, expected inflation rate and nominal Interest rate.

It can be calculated by subtracting the expected inflation rate from the nominal Interest rate to give the real Interest rate.

Real Interest rate= nominal Interest rate - expected inflation rate

Given,

Real Interest rate= 4.4%=0.044

Expected inflation rate=7.5%=0.075

Nominal Interest rate=?

Therefore,

Real Interest rate=nominal Interest rate - expected inflation rate

Nominal Interest rate=Real Interest rate+expected inflation rate

Nominal Interest rate=0.044+0.075

Nominal Interest rate=0.119

Nominal Interest rate=11.9%

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3 years ago
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Answer:

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2 years ago
Which of the following numbers is NOT a solution of the equation |x + 5| = x + 5?
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Answer:

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Step-by-step explanation:

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