3 years ago

What is (15x-12)+(5x-18)=180 what is x

Mathematics

1 answer:

MissTica3 years ago

8 0

<span>x = 21/2

or if you want it a decimal

x = 10.500</span>

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I'll mark brainliest thanks in advance

dezoksy [38]

Answer:

x = 2

Step-by-step explanation:

These are known as alternate exterior angles. These types of angles are equal to each other.

$8x-7=2x+5\\6x-7=5\\6x=12\\x=2$

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2 years ago

Solve for x using the quadratic formula x^2-6x +9=0

Rufina [12.5K]

Answer:

3 both ways x = 3

EXPLANATION:

plug in inputs and do a little simplifying we get

x = 6 ± √(36-36) all of that over 2

So we simplify and we get 6±sqrt(0) / 2

Then we get 6/2 = 3

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thats why there is only one answer

4 0

3 years ago

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Answer:

Step-by-step explanation:Please give me a brainly

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3 years ago

What are 2 binomials that are factors of this trinomial? x^2-x-20

S_A_V [24]

Answer:

(x-5) (x+4)

Step-by-step explanation:

x^2-x-20

What two terms multiply to -20 and add to -1

-5*4 = -20

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(x-5) (x+4)

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3 years ago

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If log a=3 log b-2 log c, find an expression for a that does not involve logarithms

photoshop1234 [79]

Assuming that b>0 and c>0:

log(a)=3×log(b)-2×log(c)=

log(b³)-log(c²)=

log(b³/c²)

Hence a=b³/c²

7 0

3 years ago