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Alexeev081 [22]
3 years ago
14

What if the value of X^2 + 3x + 2 if X = 15

Mathematics
2 answers:
sergeinik [125]3 years ago
8 0
X^2 + 3x + 2
15^2 + 3(15) + 2
225 + 45 + 2
272

i hope this helps!
otez555 [7]3 years ago
7 0
Answer is 675+45+2=727
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Using FOIL method. Multiply the terms. (X^2 -7)(x^2 -4)
murzikaleks [220]

Answer:

x^4-11x^2+28

Step-by-step explanation:

  1. Set it up

x^2(x^2-4) -7(x^2-4)

    2. Multiply

x^4-4x^2-7x^2+28

    3. Simplify

x^4-11x^2+28

4 0
3 years ago
What is 36 percent of 210?
ohaa [14]

Hey there!

Let's start by finding what 1% of 210 is.

This can be done by dividing 210 by 100, since 1% is the same as 1/100 of something.

210 ÷ 100 = 2.1

To find 36%, we can multiply 2.1 by 36.

2.1 x 36 = 75.6

So, 36% of 201 is 75.6.

Hope this helps!

4 0
3 years ago
Please help these problems are hard​
Pachacha [2.7K]

Answer:

2/5

Step-by-step explanation:

For the denominator you are looking for the total number of options, and in this case it is 10.  Then for the numerator you are looking for what the question is asking for, in this case, it is looking for letters n to q. n, o, p and q are what you are looking for.  With this information you will get 4/10 and simplified, 2/5

6 0
3 years ago
What is the answer for the blank?
klemol [59]

Answer:

I think the top would be −72 /7

Step-by-step explanation:

Hope this is right! :) please help on my recent question on history, you get BRAINLYIST AWNSER and 10 points if you answer :/

7 0
3 years ago
Will the standard form 3.2 × 10–4 be more or less than 1? Explain what effect the negative exponent has. Thanks! =)
laila [671]
3.2 * 10^-4 = 0.00032
So the number is less than 1.

The effect the negative exponent has is.....well...here's an example

if the exponent was a positive it would be 3.2 *10^4 = 32,000

If it was positive you would move the decimal point to the right (for this equation) 4 times... if it was negative you would move it the other way.

5 0
3 years ago
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