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Anna11 [10]
2 years ago
13

I need help on this problem please help

Mathematics
1 answer:
Masteriza [31]2 years ago
5 0
X=36. You just make the equation: X+9=45. Then you subtract 9 from 45 like this:                                                    -9   -9. That gives you 36
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Find the surface area of the rectangular prism.<br> 6 yd<br> 2 yd<br> 7yd
slega [8]

Answer:

136

Step-by-step explanation:

The formula you use is as follows:

A=2(WL+HL+HW)

You plug in each number to get this equation

A=2[(6*7)+(2*7)+(2*6)]

A=2(42+14+12)

A=2(68)

A=136

5 0
2 years ago
I need help please?!!!
nignag [31]
-1.5 I hope this helps
5 0
3 years ago
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F(x) = x+ + 3<br> g(x) = 4x - 3<br> Given the functions below find (f*g)(-1)
Mashutka [201]

(f×g)(-1) is -14.

Step-by-step explanation:

  • Step 1: Calculate (f×g)(x) by using the formula (f×g)(x) = f(x) × g(x)

⇒ (f×g)(x) = (x + 3)(4x - 3)

⇒ (f×g)(x) = 4x² - 3x + 12x - 9

⇒ (f×g)(x) = 4x² + 9x - 9

  • Step 2: Find (f×g)(-1) by substituting -1 in the place of x

⇒ (f×g)(-1) = 4(-1)² + 9(-1) - 9

⇒ (f×g)(-1) = 4 - 9 - 9 =-14

3 0
3 years ago
A book has a length of (b+2) inches and a width of b inches.Write a simplified expression for the perimiter of the book.
Morgarella [4.7K]
P= 2(b+2) + 2(b)- it would be 2 (width) plus 2( length)
3 0
3 years ago
Read 2 more answers
68 more than eight times a number is greater than 7 times the number what numbers satisfy this inequality
JulsSmile [24]

Answer:

x > -68

Step-by-step explanation:

68 + 8x > 7x

x > -68

7 0
2 years ago
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