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Minchanka [31]
3 years ago
10

Solve the system by either substitution or elimination

Mathematics
1 answer:
kipiarov [429]3 years ago
6 0
The answer to the equation 3x-5y=21, 2x+y=1 is (2, -3)
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-2|5x+3|>=4 i dont have the bigger equal simbols , please help me with this question ;((
ipn [44]

Step-by-step explanation:

-2|5x + 3| >= 4

|5x + 3| <= -2

Since absolute value is never negative, there are no real values for x.

6 0
2 years ago
SOMEONE HELP,FAST!!!!!!Solve.then round to the nearest hundred.23.70 divided by 1.8
Daniel [21]

Answer: 0

Step-by-step explanation:

23.70/1.8 = 13.16666....

Rounding to the nearest hundred is 0, because 13 is less than 50.

8 0
3 years ago
What is an irrational number
Mademuasel [1]

Answer:

Some numbers cannot be written as a ratio of two integers

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A taxi service charges an initial $5 fee , plus $2 per mile driven.
arlik [135]
Part A answer: 2x+5. x is the number of miles driven.

Part B answer: $305. Plug in 150 for x, and the equation is 2*150+5=x, x being your answer that you are looking for. Do the Order of Operations, which is PEMDAS (Parenthesis, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right.) So in other words, do 2*150 first, and you get 300. Now your equation is 300+5=x. Add 300+5, and you get 305=x. So your answer is $305.
6 0
3 years ago
Read 2 more answers
Christopher is 5.2 feet tall and his baby sister is 3 3/4 feet tall. How much taller is Christopher than his baby sister?
vladimir1956 [14]
1 9/20 feet or 1.45 feet.
8 0
3 years ago
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