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matrenka [14]
3 years ago
5

Which statement describes why the system has two solutions?

Mathematics
1 answer:
Archy [21]3 years ago
8 0
The graph intersects on the x axis
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You are visiting Chicago From your hotel you walk 3 blocks east and 5 blocks south to get to
liberstina [14]

Answer:

8 blocks away

Step-by-step explanation:

You just add

7 0
3 years ago
2:5=_:10=_:15=_:20=_:25= 12:_
ivolga24 [154]

Answer:

4, 6, 8, 10, 30

Step-by-step explanation:

5 0
3 years ago
Use the identity (x2+y2)2=(x2−y2)2+(2xy)2 to determine the sum of the squares of two numbers if the difference of the squares of
fomenos

Answer:

The sum of the squares of two numbers whose difference of the squares of the numbers is 5 and the product of the numbers is 6 is <u>169</u>

Step-by-step explanation:

Given :  the difference of the squares of the numbers is 5 and the product of the numbers is 6.

We have to find the sum of the squares of two numbers whose difference and product is given using given identity,

(x^2+y^2)^2=(x^2-y^2)^2+(2xy)^2

Since, given the difference of the squares of the numbers is 5 that is (x^2-y^2)^2=5

And the product of the numbers is 6 that is xy=6

Using identity, we have,

(x^2+y^2)^2=(x^2-y^2)^2+(2xy)^2

Substitute, we have,

(x^2+y^2)^2=(5)^2+(2(6))^2

Simplify, we have,

(x^2+y^2)^2=25+144

(x^2+y^2)^2=169

Thus, the sum of the squares of two numbers whose difference of the squares of the numbers is 5 and the product of the numbers is 6 is 169

5 0
3 years ago
Read 2 more answers
The burning time of a very large candle is normally distributed with mean of 2500 hours and standard deviation of 20 hours. Find
dezoksy [38]

Answer: C.-1.5

Step-by-step explanation:

Given: The burning time of a very large candle is normally distributed with mean(\mu) of 2500 hours and standard deviation(\sigma) of 20 hours.

Let X be a random variable that represent the burning time of a very large candle.

Formula: Z=\dfrac{X-\mu}{\sigma}

For X = 2470

Z=\dfrac{2470-2500}{20}\\\\\Rightarrow\ Z=\dfrac{-30}{20}\\\\\Rightarrow\ Z=\dfrac{-3}{2}\\\\\Rightarrow\ Z=-1.5

So, the z-score they corresponds to a lifespan of 2470 hours. =-1.5

Hence, the correct option is C.-1.5.

7 0
2 years ago
Factor completely 3x2 + y. x(3x + y) y(3x2) xy(3x + 1) Prime
Rainbow [258]

Answer:

Option (d) is correct.

The given polynomial 3x^2+y is a prime polynomial.

Step-by-step explanation:

Given : 3x^2+y

We have to factorize it completely.

Since , factorization is the process of reducing a given polynomial into a lower degree polynomial by taking common factors out into the simplest form.

Consider the given polynomial 3x^2+y

Since the given polynomial do not have any term common in both terms .

So we cannot factorized it further.

So, the given polynomial 3x^2+y is a prime polynomial.

Thus, Option (d) is correct.

 

5 0
3 years ago
Read 2 more answers
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