2 years ago

Let g(x)=4x +9 and h(x)=x+2. Find the expression. (h◦g)(x)

Mathematics

2 answers:

hammer [34]2 years ago

6 0

So you plug in g(x) for x in h(x)
Since g(x) = 4x + 9, substitution that in
4x + 9 + 2
4x + 11

Solution: 4x + 11

Anuta_ua [19.1K]2 years ago

3 0

You also can use a app called “Socratic”

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Stefanie is painting her bedroom. She can paint 12 2/3 square feet in 2/5 of an hour. How many square feet can she paint in one

aalyn [17]

Answer:

$31\frac{2}{3}$

Step-by-step explanation:

since its only 2/5 of 1 hour, two 2/5 equal 4/5 so we divide the 12 2/3 by 2 to find the 1/5 which is 6 1/3

$12\frac{2}{3}$ ÷2= $6\frac{1}{3}$

$12\frac{2}{3} +12\frac{2}{3}=25\frac{1}{3}$

$12\frac{1}{3} +6\frac{1}{3}=31\frac{2}{3}$

4 0

3 years ago

Read 2 more answers

Please help me. i want to have this finished.

Anuta_ua [19.1K]

We know that y is equal to x-2. We can just substitute x-2 for y since y is equal to it.

10x- 9(x-2)=24

Distribute.

10x- 9x+18= 24

x+18= 24

Subtract 18 on both sides.

x= 6

Now, plug in x.

y= (6)-2

y= 4

We can check this to see if this works:

4= 6-2, 4=4

10(6)- 9(4)= 24

60-36= 24, 24=24

x=6 and y=4

I hope this helps!
<em>~kaikers</em>

5 0

3 years ago

If the x-intercept of a line is positive and the y-intercept is negative,does the line slant upward or downward from left to rig

BaLLatris [955]

The line slants upward you know

7 0

3 years ago

20 POINTS!!!!

Lostsunrise [7]

15/4 - 6/5 , 300/20 -24/20, 276/20, 69/5

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3 years ago