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dalvyx [7]
4 years ago
15

What is an equivalent expression for 5(3x-2)

Mathematics
2 answers:
babunello [35]4 years ago
6 0
Distribute
remember the distributive property
a(b-c)=ab-ac
5(3x-2)=5(3x)-5(2)=15x-10
Talja [164]4 years ago
3 0
5(3x-2)

Multiply everything in the parenthesis 

15x - 10 
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There are 5.2 x 10^5 words in the English dictionary. What is the average number of words recorded under each of the 26 letters?
alexira [117]

Answer:

2.0*10^4

Step-by-step explanation:

5.2 *10^5 words

26 categories

\frac{5.2 *10^5}{26} =\frac{520 000}{26} =20 000

2.0*10^4

so there is an average of 2.0*10^4 words per letter

6 0
4 years ago
Write two polynomials whose sum is x to the second power and whose difference is 1
Alex777 [14]

Answer:

Therefore, the  first polynomial is:

Z=\frac{1}{2}x^2+\frac{1}{2}\\

the second polynomial is:

Y=\frac{1}{2}x^2-\frac{1}{2}\\

Step-by-step explanation:

We assume that: Z is first polynomial and Y is second polynomial.

Therefore, we have

Z+Y=x^2\\\\Z-Y=1\\\\\implies Z+Y+Z-Y=x^2+1\\\\2Z=x^2+1\\\\Z=\frac{1}{2}x^2+\frac{1}{2}\\

now, we get

\implies Z+Y-Z+Y=x^2-1\\\\2Y=x^2-1\\\\Y=\frac{1}{2}x^2 -\frac{1}{2}

Therefore, the  first polynomial is:

Z=\frac{1}{2}x^2+\frac{1}{2}\\

the second polynomial is:

Y=\frac{1}{2}x^2-\frac{1}{2}\\

6 0
3 years ago
Joey is asked to name a quadrilateral that is also a rhombus. What should be his answer?
aliina [53]
His answer should be a square because a square is a parallelogram with four similar sides and four right angles. A quadrilateral is a square<span> if its a rhombus and/or rectangle.</span>
5 0
3 years ago
A number is chosen at random from 1 to 50. Find the probability of selecting numbers less than 35
Karo-lina-s [1.5K]

Answer:

3?

Step-by-step explanation:

3 0
3 years ago
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Nadusha1986 [10]

Answer: 161.8

Step-by-step explanation:

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3 years ago
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