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ziro4ka [17]
3 years ago
15

Solve for the following system of equations using substitution, what is the value of y? 2x 3y=105 x 2y=65

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
3 0
If you are satisfied please like

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Translate the inequality and solve. Negative three times a number is less than six.
mart [117]

Answer:

x>-2

Step-by-step explanation:

The translated inequality to be solved is -3x<6

You divide -3 by both sides which switches the sign because it is negative, there fore the answer is x>-2.

4 0
3 years ago
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The sum of 6 times a position number and 1 is the same as the sauare of 1 less than the number
stepan [7]
If the number is x, then:
6x+1= (x-1)^2

Now we just need to simplify it
6x+1=(x-1)*(x-1)
6x+1=x^2-2x+1
8x=x^2
8=x

The number is 8.

To check the answer
6*8+1=7^2
49=49
correct :)
5 0
3 years ago
Find all real eighth roots of 72.089. Round to the nearest thousandth
Svetradugi [14.3K]
I would say that <span> <span> <span> 1.7070004089  </span> </span> </span> is the only eighth root of 72.089.

72.089^(1/8) = <span> <span> <span> 1.7070004089 </span> </span> </span>

6 0
3 years ago
What are the coefficients in the expression 4x - 7y + 5 ?
3241004551 [841]

Answer:

4 and -7

Step-by-step explanation:

a coefficient is a number that is being multiplied with a variable (ex:5a) in this case the coefficients are 4 and -7

6 0
2 years ago
Read 2 more answers
I dont really understand this??​
jeyben [28]

Answer:

x\geq  -53

Step-by-step explanation:

The inequality includes -53.

The interval notation is \:[-53,\:\infty \:)

\{ x \in \mathbb{R}: x \geq  -53 \}

8 0
3 years ago
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