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PilotLPTM [1.2K]
3 years ago
9

Factor the trinomial X^2 +2x - 3

Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0
X^2 + 2x - 3 = (x-1)(x+3)
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Which choice is equivalent to the expression below?
alekssr [168]

Answer: OPTION A

Step-by-step explanation:

We need to remember that Product of powers property, which states that:

(a^m)(a^n)=a^{(m+n)}

Let's check the options:

A. For 5^9*5^{\frac{9}{10}}*5^{\frac{6}{100}}*5^{\frac{9}{1000}} you can  apply the property mentioned before. Then:

5^{(9+\frac{9}{10}+\frac{6}{100}+\frac{9}{1000})=5^{9.969}

(It is the equivalent expression)

 B. Add the exponents:

 5^9*5^{(\frac{9}{10}+\frac{9}{10}+\frac{6}{1000})=5^{10.806}

(It is not the equivalent expression)

C. For 5^9*5^{\frac{96}{10}}*5^{\frac{9}{100}}} you can  apply the property mentioned before. Then:

 5^{(9+\frac{96}{10}+\frac{9}{100})=5^{18.69}

(It is not the equivalent expression)

D. We know that 5^{9.969}=9,290,347.808 and we maje the addition indicated in this option, we get:

 5^9+5^{\frac{9}{10}}+6^{\frac{6}{100}}=1,953,130.37

(It is not the equivalent expression)

6 0
4 years ago
Read 2 more answers
The hartford insurance company has hired you to poll a sample of adults about their car purchases. what is wrong with using tele
lawyer [7]

Answer:

Step-by-step explanation:

Given that the hartford insurance company has hired you to poll a sample of adults about their car purchases.

Here the insurance company is using convenience sampling to select customers so they resorted to taking the names from telephone directories.

But this may not be reliable since persons owning cars need not have telephones and similarly persons having telephones need not own cars

Owning a car and name appearing in telephone directory need not be associated at all

So taking random sample of names from telephone directories may not give the required accurate result since here sample cannot be assumed to represent the population of car owners.

6 0
3 years ago
The average depth of the ocean is about 3.8 km.width of 7600 km. calculate the ratio depth:width?
Gnoma [55]
A ratio is like a fraction, so since you are provided with the numbers its easy to put it into a ratio 
depth is 3.8km
width is 7600km
ratio is 3.8:7600
5 0
3 years ago
Please please please urgent help❤️❤️❤️
Harlamova29_29 [7]

Answer:

its G(2)

Step-by-step explanation:

Gg

5 0
3 years ago
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PLEASE HELP ME I WILL GIVE U ALL MY POINTS :( please?
Alinara [238K]

Answer:

The answer is b

Step-by-step explanation:

8 0
3 years ago
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