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2 years ago

What is the answer 3x - 3 < 9

Mathematics

2 answers:

ahrayia [7]2 years ago

7 0

Answer:

x < 4 is your answer

Step-by-step explanation:

all you have to do +3 on both sides

divide 12/3

(Answer is above)

since 9 isnt greater than 9, techincally the answer is any number greater than 4.

frez [133]2 years ago

3 0

Answer:

x<4

Step-by-step explanation:

any number greater than 4 will work. It can't be 4 because if you use 4 it will end up being equivalent to 9.

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Solve the equation 8(4- x) = 7x + 2 x=

Jet001 [13]

Answer: x=2

Step-by-step explanation:

Expand.

32−8x=7x+2

Add 8x to both sides.

32=7x+2+8x

Simplify 7x+2+8x7x+2+8x to 15x+215x+2.

32=15x+2

Subtract 22 from both sides.

32−2=15x

Simplify 32−2 to 30.

30=15x

Divide both sides by 15.

30/15=x

Simplify 30/15 to 2

2=x

Switch sides.

x=2

7 0

3 years ago

Simplify the following expression using the commutative and associative properties (combining like terms);

Tasya [4]

Answer:

the answer will be

2x-5

6 0

3 years ago

Triangle lengths of 7,1,9 what type of triangle is it

LekaFEV [45]

Scalene triangle,,,,,,,, a triangle that no side is equivalent to to another

8 0

3 years ago

The GCD(a, b) = 9, the LCM(a, b)=378. Find the least possible value of a+b.

denis-greek [22]

$\mathrm{gcd}(a,b)=9\implies9\mid a\text{ and }9\mid b\implies9\mid a+b$

which means there is some integer $k$ for which $a+b=9k$ .

Because $9\mid a$ and $9\mid b$ , there are integers $n_1,n_2$ such that $a=9n_1$ and $b=9n_2$ , and

$\mathrm{lcm}(a,b)=\mathrm{lcm}(9n_1,9n_2)=9\mathrm{lcm}(n_1,n_2)=378\implies\mathrm{lcm}(n_1,n_2)=42$

We have $42=2\cdot3\cdot7$ , which means there are four possible choices of $n_1,n_2$ :

1, 42
2, 21
3, 14
6, 7

which is to say there are also four corresponding choices for $a,b$ :

9, 378
18, 189
27, 126
54, 63

whose sums are:

387
207
153
117

So the least possible value of $a+b$ is 117.

6 0

3 years ago

PLEASE HELP ASAP! Construct an angle of 75° and write the steps of construction.

vlada-n [284]

Step-by-step explanation:

Steps of Construction

(i) Draw ray AB.

(ii) Construct ∠BAC = 60°.

(iii) Construct ∠BAD = 90°.

(iv) Bisect ∠CAD, so that ∠CAE = ∠EAD = 15°.

(v) We obtain ∠BAE = ∠BAC + ∠CAE = 60° + 15° =75°.

Hope this Helps!!!!

6 0

2 years ago