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jolli1 [7]
3 years ago
10

Which of the following are prime numbers 7,2,7,9

Mathematics
1 answer:
svetlana [45]3 years ago
3 0
7 and 2 are prime numbers
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ale4655 [162]

Answer:

first one should be $35.52

Second one $18.60

Step-by-step explanation:

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3 years ago
I need help in this question that is in the photo
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The answer is A, 1. In the statement x^2 >x, if we try 4, 5 and 8 for x, we get 16, 25 and 64 for x^2. The statement is true. But if we try x = 1, when we square it we still have 1. Therefore for x=1, x^2>x is false.
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Please answer this if you can thank you :))
krek1111 [17]

<u>Answer:</u>

The variable that has the highest power is considered to be the degree of polynomials in an algebraic equation.

A column:

1) 4x^3 .

The degree is 3.

2)x^2+4.

The degree is 2.

3) x-2

The degree is 1.

B column:

1) 2x^2+1

The degree is 2.

2) x^2-x

The degree is 2.

3) x^3-5x^2+1

The degree is 3.

A×B columns:

While Multiplying two terms in a equation, if the variables are same then multiply the constant value and sum the exponent value.

1) (4x^3)(2x^2+1).

=8x^5+4x^3.

The degree is 5.

2) (x^2+4)(x^2-x).

=x^4-x^3+4x^2-4x.

The degree is 4.

3) (x-2)(x^3-5x^2+1).

=x^4-5x^3+x-2x^3+15x^2-3.\\=x^4-7x^3+15x^2+x-3.

The degree is 4.

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3 years ago
Can anyone help me with life?<br> I just need to talk to someone!
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Answer:

You can talk to me

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
What are the points for y =−7x−1?<br><br> I need the points!
harkovskaia [24]
You can find the x and y intercepts by plugging 0 in for each of the variables

(0)=-7x-1
1=-7x
x=-1/7

your x- intercept is (-1/7,0)

y=-7(0)-1
y=-1

your y-intercept is (0,-1)
7 0
3 years ago
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