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anzhelika [568]
3 years ago
6

I could really use someone’s help on this !

Mathematics
1 answer:
ELEN [110]3 years ago
8 0

Answer:

(fg)(x) = 12x^3 + 9x^2 + 28x + 21

Third option

Step-by-step explanation:

(fg)(x) = (3x^2 + 7)(4x + 3)

(fg)(x) = = (3x^2)(4x) + (3x^2)(3) + (7)(4x) + (7)(3)

(fg)(x) = 12x^3 + 9x^2 + 28x + 21

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I’m a bit confused on how to solve this problem, and could use some help!
weqwewe [10]

Answer:

Okay to start with we know this side isn't congruent to our side with 55 degrees looking at this side we can see that x is not 95 degrees because it is an acute angle so A is crossed out. Next this side isn't congruent like I said so B is crossed out. C is possible but the angle wouldn't be as wide as it is if we had 59 degrees so C is incorrect. Leaving us with D 70 degrees hope this helps and sorry if I got it wrong!

Step-by-step explanation:

4 0
2 years ago
Solve the proportion x/8= 3/12. Please help.
galben [10]

Answer:

2

Step-by-step explanation:

\frac{x}{8}  =  \frac{3}{12}  \\  \\ x =  \frac{8 \times 3}{12}  \\  \\ x = \frac{24}{12}\\  \\ x = 2

5 0
3 years ago
The area of a rectangular wall of a barn is 133 square feet. It's length is 12 feet longer than the width. Find the length and w
GuDViN [60]
I'll give you a few hints. Area of a rectangle is length times width. We know that length times width is 135 sq ft, so we can express it as: 

<span>L * W = 135 </span>

<span>Now, L is 6 feet longer than width (L = 6 + W). Something tells me this is going to involve a quadratic formula then plugging in values into our original equation. </span>
7 0
3 years ago
What is the mean of the data set [3, 2, 2, 12, 6, 5, 14, 4]?<br><br> A: 2<br> B: 4<br> C: 6<br> D: 7
Semenov [28]

Answer: C.

Step-by-step explanation: 3+2+2+12+6+5+14+4=48 divided by 8 equals 6

3 0
3 years ago
5 divided by 2/7 in simplest form
vladimir1956 [14]
The answer is 35/2 or 17.5
3 0
3 years ago
Read 2 more answers
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