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ArbitrLikvidat [17]
3 years ago
11

What is X squared +3x-70

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

x = 7, x = -10

Step-by-step explanation:

x^2+3x-70 = 0

Use the quadratic formula.

x = \frac{-3 + \sqrt{3^2-4(1)(-70)} }{2(1)} \\x = \frac{-3 - \sqrt{3^2-4(1)(-70)} }{2(1)} \\

Solve.

x = 7, x = -10

You can also factor if you want - that is a faster method.

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The modulus of a real number, n, is equal to _____.
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Answer:

The absolute value

Step-by-step explanation:

we know that

The modulus of a real number, is equal to the absolute value of the real number

so

The modulus of a positive number is simply the number and the modulus of a negative number is found by ignoring the minus sign.

Then

modulus of n is always positive number .such that n belongs to real number R.

Modules of n is denoted by |n|

<u><em>Examples: </em></u>

|-4|=4

|2.5|=2.5

|-100.1|=100.1

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3 years ago
the sum of interior angles of a regular polygon has 540 degrees. find the measure of each interior angle of the polygon.​
ss7ja [257]

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2 years ago
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Step-by-step explanation:

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2 years ago
PLEASE HURRYmy question is in the picture ​
Andreyy89
The answer t our question is the first one
I just substituted he number one in every x
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3 years ago
Read 2 more answers
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