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AlexFokin [52]
3 years ago
11

| 2x + 2y = 10 y = 5+x

Mathematics
1 answer:
melisa1 [442]3 years ago
6 0
2x + 2(5+x)=10
2x+10+2x=10
4x+10=10
4x=0
X=0
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The difference between 4,632 and 20,000 is what number?
ycow [4]
We find the difference of the two numbers by subtracting the two numbers given above. It is calculated as follows:

Difference = 20000 - 4632 = 15368

Therefore, the difference between <span>4,632 and 20,000 is 15368.

Hope this answers the question. Have a nice day.</span>
4 0
2 years ago
Read 2 more answers
How many positive integers can be expressed ad a product of two or more of the prime numbers 5,7,11,and 13 if no one product is
sertanlavr [38]

Answer:

11 positive integers can be expressed.

Step-by-step explanation:

Consider the provided information.

The number of possible prime numbers are 5,7,11,and 13.

There are 4 possible prime numbers.

How many positive integers can be expressed as a product of two or more of the prime numbers, that means there can be product of two numbers, three number or four numbers.

The formula to calculate combinations is: ^nC_r=\frac{n!}{r!(n-r)!}

The number of ways are:

^4C_2+^4C_3+^4C_4=\frac{4!}{2!(4-2)!}+\frac{4!}{3!(4-3)!}+\frac{4!}{4!}

^4C_2+^4C_3+^4C_4=\frac{4!}{2!2!}+\frac{4!}{3!}+1

^4C_2+^4C_3+^4C_4=6+4+1

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Hence, 11 positive integers can be expressed.

8 0
3 years ago
Which of these is the algebraic expression for "4 times the sum of 2 and y?"
Volgvan

Answer:

4(2 + y)

Step-by-step explanation:

"4 times the sum of 2 and y".

<h3>Hope it is helpful...</h3>
5 0
2 years ago
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the trailer cost one-fourth as much as the boat. the total cost of both is 4,000 how much did each cost
Katarina [22]

Answer: Boat  cost $ 3200

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i.e t = 1/4b

multiply through by 4

4t = b

both cost 4,000

i.e t + b = 4000

recall: b = 4t

therefore

t + 4t = 4000

5t      = 4000

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       t = 800

       b = 4000 - 800

       b = 3200

4 0
3 years ago
Where does the line y = -4x + 9 cross the y-axis?
Zanzabum

Answer:

slope is -4 y-axis is 9

Step-by-step explanation:

7 0
3 years ago
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