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zhuklara [117]
3 years ago
12

Solve the inequality |r+3|> 7

Mathematics
2 answers:
Dmitry [639]3 years ago
6 0
For
|a|>b, solve for the value that make a true for
a>b and a<-b


|r+3|>7
solve
r+3>7 and r+3<-7
minus 3 both sides in both equations
r>4 and r<-10


the solution is r>4 or r<-10, basically r can be any real number except for from -10 to 4


r>4 or r<-10
Vinil7 [7]3 years ago
4 0
Absolute value so the answer can be positive or negative
R+3>7
-3>-3
R>4
Or
R-3>7
+3>+3
R>10

Answer
410
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When i have a negative plus a positive of the same number , what is that called ?
Lady bird [3.3K]

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3 years ago
HELP high school pre cal
kogti [31]

Answer:

The option A) -4-3i is correct

Therefore the simplified given expression is (-1-6i)+(-3+3i)=-4-3i

Step-by-step explanation:

Given that the expression is (-1-6i)+(-3+3i)

To simplify the given expression as below :

(-1-6i)+(-3+3i)=-1-6i-3+3i

=(-1-3)+(-6i+3i) ( combining the real parts and imaginary parts separately and adding the like terms )

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(-1-6i)+(-3+3i)=-4-3i

Therefore the simplified given expression is (-1-6i)+(-3+3i)=-4-3i

Therefore the option A) -4-3i is correct

6 0
3 years ago
How do we find the perimeter of a shape 20mm 10mm 20mm 60mm 20mm
IRINA_888 [86]

Answer:

130mm

Step-by-step explanation:

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20+10+20+60+20=130 is the answer.

6 0
3 years ago
Dan pays £714.73 a year on his car insurance
LenaWriter [7]

Answer:

The Current Insurance cost = $685.43

Step-by-step explanation:

Given that Dan pays £714.73 a year on his car insurance.

Reduced Percentage = 4.1%

so

Reduced Amount =  4.1% × 714.73

                             = [4.1 / 100] × [714.73]

                             = 0.041 × 714.73

                             = $29.30

The current cost can be calculated by subtracting the reduced amount of 29.30 from 714.73.

so

Current Insurance cost = 714.73 - 29.30

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Therefore, the Current Insurance cost = $685.43

5 0
3 years ago
Help
BigorU [14]

Answer:

69

thats it all of them are 69

4 0
3 years ago
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