2 years ago

So whatcha guys up to

Mathematics

1 answer:

ioda2 years ago

5 0

Nothing what about you?

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There are 7 red, 8 green, and 6 blue marbles

dem82 [27]

(8+6)/(7+8+6)
=14/21
=0.67
=67%

3 0

2 years ago

Read 2 more answers

(x - 2)² + 6x – 7 Which of the following is equivalent to

podryga [215]

Answer:

$x^2 +2x-3$

Step-by-step explanation:

Given

$(x - 2)\² + 6x - 7$

Required

The equivalent

We have:

$(x - 2)\² + 6x - 7$

Expand

$(x - 2)\² + 6x - 7 = x^2 -2x-2x +4 +6x - 7$

Collect like terms

$(x - 2)\² + 6x - 7 = x^2 -2x-2x+6x +4 - 7$

$(x - 2)\² + 6x - 7 = x^2 +2x-3$

Hence, the equivalent is:

$x^2 +2x-3$

6 0

2 years ago

18 × (-2) ÷ 5 enter your anwser in decimal form

Blizzard [7]

Answer:

7.2

Step-by-step explanation:

first divide -2 by 5= -2/5

multiply 18 by -2/5=-36/5

divide 36 by 5=7.2

4 0

2 years ago

Find the measure of an angle such that the difference between the measures of its supplement and nine times its complement is 5

zaharov [31]

Answer:

130°

Step-by-step explanation:

90° ± 90° = 180°

180° - 50° = 130°

130°

8 0

2 years ago

What is the square root of -^54/6+2/3

Kay [80]

My guess is 3.109126351029605. I am not 100% sure its the correct answer you are looking for. Good luck!

8 0

2 years ago