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sergejj [24]
2 years ago
11

Solve using number line (-10)+6 ​

Mathematics
1 answer:
Archy [21]2 years ago
6 0

Answer:

       

Step-by-step explanation:

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-4(2x - 5) – (7 – 3x) = 4(x + 3)
Norma-Jean [14]

Answer:

x  = 1/9.

Explanation:

-4(2x - 5) – (7 – 3x) = 4(x + 3)

-8x + 20 - 7 + 3x = 4x + 12

-8x + 3x - 4x = 12 + 7 - 20

-9x = -1

x = 1/9.

7 0
2 years ago
Read 2 more answers
Convert the following quadratic equation to standard form:<br><br> y= -2(x+3)^2+1
Savatey [412]

Answer: -2x^2-12x-17

Step-by-step explanation:

-2(x+3)^2+1 Original equation

-2(x^2+3x+3x+9)+1 factor (x+3)(x+3)

-2x^2-12x-18+1 Multiply the factored part by -2

-2x^2-12x-17 Combine like terms

4 0
3 years ago
Someone please explain this it’s confusing me.
Nesterboy [21]

Answer:

x = 4 radical 3 / 3

Step-by-step explanation:

this is a 30-60-90 triangle

the side across from the angle 30 is L

the side across from the angle 60 is L√3

the side across from the angle 90 is 2L

we are given the side across from 60⁰ so we know that:

2 = L√3

we want to solve for L, so we must divide both sides by √3 (radical three)

2/√3 = L√3/√3

you would get 2/ √3 = L, because the radical three cancels out on the L side.

but you can't have a radical in the denominator, so you have to multiply 2/√3 by radical 3

2 times √3 and √3 times √3

you get 2√3/√9

radical nine can simplify

2radical3/3 or 2√3/3

we found L, but that would equal the thirty degree angle, not the 90, 90 = 2L

multiply the number infront of the radical by two and get

4√3/3

x=4 radical 3 divided by 3

5 0
2 years ago
PLEASE HELP I’m really confused about this
nadezda [96]

Answer:

10.5

Step-by-step explanation:

4 0
2 years ago
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What is the answer to 2c-4d
wel

Answer:

c=2 d=1

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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