2 years ago

Hi can someone help me with this pleaseee

Mathematics

1 answer:

AveGali [126]2 years ago

3 0

Second choice.

Which is 1591.1 cm^2.

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BRAINLIST IF CORRECT! 10 POINTS! What is the constant of proportionality if x is 3 and y is 9?

velikii [3]

Answer:

constant of proportionality, k is 3

Step-by-step explanation:

constant, k= y/x

k=9/3

= 3

7 0

3 years ago

How does solving linear inequalities compare with solving linear equations?

maks197457 [2]

It is just the difference between the signs

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3 years ago

142=10x+8x+2. Please show steps as well.

mel-nik [20]

Answer:

x=7.78

Step-by-step explanation:

142=10x+8x+2

Move all numbers with the same variables to each side to separate them.

142-2=10x+8x

140=18x

Divide by 18.

x= 140/18

x=7.78

7 0

3 years ago

Read 2 more answers

Suppose f(x) = 2x-1 and g (x) = x + 1/a. Which value(s) of a would make the composite functions commutative? A. 0 B. 2 C. any va

Tamiku [17]

Answer:

Step-by-step explanation:

A commutative function means that when you insert one function in space of x in the other function, they will equal x. The equation is f(g(x)) = g(f(x)) = x

So, 2( $\frac{x+1}{a}$ ) - 1 = $\frac{(2x-1)+1}{a}$

If you multiply both sides by a, you get 2a( $\frac{x+1}{a}$ ) - a = (2x-1)+1

Simplify it 2a( $\frac{x+1}{a}$ ) - a = 2x

Add a to both sides 2a( $\frac{x+1}{a}$ ) = 2x +a

The two as on the left cancel out 2(x+1)=2x+a

Distribute the 2 2x+2=2x+a

Then subtract 2x from both sides 2 = a

Therefore, a = 2

Hope this helps!

8 0

3 years ago

Read 2 more answers

Can anybody help with this pls :)

klasskru [66]

Answer:

54 degrees

Step-by-step explanation:

4x + 6 + 11x - 6 = 180

Then solve

7 0

3 years ago