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Elis [28]
2 years ago
8

**POINTS**Find the values of X and y

Mathematics
1 answer:
Andrej [43]2 years ago
7 0

Answer:

y=105 for x

y=75

Step-by-step explanation:

2y-30=180                          180 (straight line)     180-105=75

+30      +30

2y=210

/2     /2

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A3/8
mart [117]

Answer:

A.)130 80

Step-by-step explanation:

1y/3x

-8x/1xy

answer:130 80

5 0
3 years ago
Put this fro greaest to least 0.35,4/9,42%,3/8
Alona [7]

Answer:

3/8 4/9 42% 0.35

Step-by-step explanation:

hope this right

5 0
3 years ago
Which expression is not a perfect square trinomial?
puteri [66]

Answer:

Remember that a perfect square trinomial can be factored into the form (a+b)^2

or (a-b)^2

Examples:

(x+2)(x+2) is a perfect sq trinomial --> x^2+4x+4

(x-3)(x-3) is a perfect sq trinomial --> x^2-6x+9

(x+2)(x-3) is not a perfect square trinomial because its not in the form (a+b)^2 or (a-b)^2

Now to answer your question,

for the first one, x^2-16x-64, you cannot factor it so it is not a perfect square trinomial

for the second one, 4x^2 + 12x + 9, you can factor that into (2x+3)(2x+3) = (2x+3)^2 so this is a perfect square trinomial

for the third one, x^2+20x+100 can be factored into (x+10)(x+10) so this is also a perfect square trinomial

for the fourth one, x^2+4x+16 cannot be factored so this is not a perfect square trinomial

Therefore, your answer is choices 2 and 3

Read more on Brainly.com - brainly.com/question/10522355#readmore

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the value of a(b - c) when b = 3, c = -3 and a = -2?​
musickatia [10]

Answer:

-12

Step-by-step explanation:

a(b - c)

b = 3, c = -3 and a = -2

-2( 3- -3)

-2(3+3)

-2(6)

-12

4 0
3 years ago
Read 2 more answers
Which ratio forms a proportion with 14/42?<br> 1/4<br> 7/21<br> 12/40<br> 28/80
bogdanovich [222]
Second one



<span>7/21

Hope it helps

</span>
3 0
3 years ago
Read 2 more answers
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