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sergeinik [125]
3 years ago
11

MATH HELP!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Contact [7]3 years ago
6 0

y < x + 1 is given, as are four possible answer choices.


One by one, subst. the answer pairs into this inequality and then determine whether or not the resulting inequality is true or not.


For the possible answer choice (-2,5), 5 < -2 + 1, or 5 < -1. FALSE.

Continue with the 2nd, 3rd and 4th points. Does the substitution of any of these pairs of coordinates result in a true inequality? Identify with one (or ones).


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3 years ago
Meaning of bench mark in math
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8 0
3 years ago
Evaluate the expression x+2y when x=2 and y=−2.5.
kow [346]

Answer: -3

Step-by-step explanation:

If you plug in the numbers, the equation would look like: 2+2(-2.5)

Multiply 2 by -2.5 and you'll get -5 as your product. Add 2 and -5 together to get the sum of -3.

4 0
3 years ago
Read 2 more answers
What is the sum of the complex numbers 2 + 3i and 4 + 8i, where i = <br> −1<br> ?
kotykmax [81]
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8 0
2 years ago
Read 2 more answers
Write a system of equations to describe the situation below, solve using any method, and fill in the blanks. Today's cafeteria s
kobusy [5.1K]

Answer:

Equation 1: 14t + 61s = 150

Equation 2: 14t + 25s = 78

Use Elimination (x)

(-1) (14t + 25s) = (78) (-1)

-14t - 25s = -78

14t + 61s = 150

+ -14t - 25s = -78

--------------------------

36s = 72

s = 2

Salad costs $2

Then find t

14t + 61(2) = 150

14t + 122 = 150

14t = 28

t = 2

Sandwich costs $2

5 0
3 years ago
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