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Alika [10]
3 years ago
7

Find the inverse for each relation. 1. { (1, -3), (-2, 3), (5, 1), (6, 4) }

Mathematics
1 answer:
velikii [3]3 years ago
3 0
You just flip each of the numbers spots - the x and y
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6. Solve the the following system of equations: 4y+2x=14 2y+2x=10
Inessa05 [86]
4y+2x=14 ==> multiply this 1st equation by (-1) => -4y-2x=-14
Now add it up to the 2nd equation
-4y-2x=-14
 2y+2x=10
--------------    And now add them up
-2y +0x=-4
==> -2y=-4==> 2y = 4 &    y=2                   
Last step: plug y into any equation & you will find x=3
3 0
3 years ago
Which of the following is a trinomial?<br> A. 13x^3<br> B. 12x2 + 2x+10<br> c.9/5x2<br> D. 3x - 15
rusak2 [61]

Answer:

B is a trinomial.

Step-by-step explanation: A trinomial is a math equation with 3 terms connected by plus or minus notations. In these 4 answer choices, choice B is the only one with 3 terms.

8 0
3 years ago
Read 2 more answers
Find the value: <br><br> cos -1 ( - √3/2 )
Natasha2012 [34]

Answer:

The value is undefined.

7 0
3 years ago
Help needed asap graph posted below
Aloiza [94]
Answer: D) (x+1)(x + 2)(x-3)

This is because the roots are x = -1, x = -2 and x = 3
Simply get all the numbers to each side to have 0 on the right side

x = -1 turns into x+1 = 0
x = -2 turns into x+2 = 0
x = 3 turns into x-3 = 0

The three factors are (x+1), (x+2) and (x-3)
Which leads to (x+1)(x+2)(x-3)

6 0
3 years ago
How many ounces are in 18 pounds?
nexus9112 [7]

Answer:

it would be 288

Step-by-step explanation:

there are 16 ounces in 1 pound so if you took 16 x 18 it would give you 288.

i did that becasue if theres

so with 18 pounds and 16 onzes are in 1 pound so I multipyed them togher to get 288

i checkd this with my bio teacher she said 288 is corrcet.

5 0
3 years ago
Read 2 more answers
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