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Tanya [424]
3 years ago
10

five more than twice a number is less than negative nineteen. Solve the inequality for this unknown number.

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0

Answer:N<-12

Step-by-step explanation:

5+2n<-19

Subtract 5 from both sides

2n< -24

Then divide both sides by two

N<-12

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How do i evaluate exponantial numbers
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Answer:

Evaluating Exponents. An exponent is a number that tells how many times the base number is used as a factor. For example, 34 indicates that the base number 3 is used as a factor 4 times. To determine the value of 34, multiply 3*3*3*3 which would give the result 81

5 0
3 years ago
(3x+2)∧2=9 how do i solve this in the square root property
Irina18 [472]
(3x+2)^2=9 \\\\9x^2+12x+4-9=0\\\\9x^2+12x-5=0\\\\a=9,\ \ b=12, \ \ c=-5

x_{1}=\frac{-b-\sqrt{b^2-4ac}}{2a}=\frac{-12-\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12-\sqrt{144+180}}{18}=\\\\=\frac{-12-\sqrt{324}}{18}=\frac{-12-18}{18}=\frac{-30}{18}=-\frac{5}{3}\\\\x_{2}=\frac{-b+\sqrt{b^2-4ac}}{2a}=\frac{-12+\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12+18}{18}=\frac{6}{18}=\frac{1}{3} \\\\Answer: \ x=-\frac{5}{3}\ \ and \ \ x=\frac{1}{3}
 

6 0
3 years ago
Kendy and Fred keep borrowing and losing John’s pens. So John went to the store with $24 to spend on seven pens. After buying th
UkoKoshka [18]
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6 0
3 years ago
The square root of 9x^4/36 simplified
Serggg [28]

Step-by-step explanation:

\sqrt{ \frac{9 {x}^{4} }{36} }   \\ \\    =  \sqrt{ \frac{ {x}^{4} }{4} }  \\ \\  =  \frac{ {x}^{2} }{2}

6 0
3 years ago
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katrin2010 [14]

Answer:

200

Step-by-step explanation:

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3 years ago
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