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strojnjashka [21]
3 years ago
8

Help with one more please

Mathematics
1 answer:
dedylja [7]3 years ago
3 0
X² - 3x - 40
(x - 8) (x + 5)
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A marble is randomly selected from a bag containing 15 black, 12 white, and 6 clear marbles. Find P(not clear). Round to the nea
dexar [7]
15+12+6= total number of marbles
33= total
Not clear marbles = 15+12 or 27
27 /33
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82 percent
8 0
3 years ago
PLEASE HELP MEEE!!!Which fraction is equivalent to a ratio of 3 to 4?
Nimfa-mama [501]

Answer:

3/4

Step-by-step explanation:

Just swap the colon (:) for a slash (/)

8 0
2 years ago
Read 2 more answers
PLEASE HELP!!!!!!!! (ALGEBRA II)
qwelly [4]

Answer:

-4     4     4.5     8     20.5     32

Step-by-step explanation:

f$ \circ  $ g(x) = f(g(x))

Given,   f(x) = 2x²

and       g(x) = x - 2

Now f(g(x)) = f(x - 2) = 2(x - 2)²

We know that (a - b)² = a² - b² + 2ab

Using this we expand f(g(x)). We get:

                        f(g(x)) = 2{x² - 4x + 4}

Similarly,        g(f(x)) = g(2x²) = 2x² - 2

Now, f(g(-2))    = 2[(-2)² - 4(-2) + 4]     = 2(16)                           = 32.

Also, g(f(-2))   = 2[(-2)² - 2]                = 2(2)                             = 4.

f(g(3.5))  = 2{(3.5)² -4(3.5) + 4} = 2[12.25 - 14 + 4] = 2(2.25)    = 4.5.

g(f(3.5))  = 2{(3.5)² -2} = 2{12.25 - 2}                     = 2(10.25)   = 20.5.

f(g(0))     = 2{0 - 4(0) + 4}  = 2(4)                                               =  8.

g(f(0))     = 2{0 - 2}                         = 2(-2)                                 = -4.

Arranging them in ascending order, we get:

-4     4     4.5     8     20.5     32 would be the sequence.

5 0
3 years ago
Mrs. Castillo's class has 15 boys and 5 girls. 40% of the class rides the bus to school. How many students ride the bus to schoo
Anna35 [415]
I think it’s 8 I’m not sure
3 0
2 years ago
Whats the length of the hypotenuse of a right triangle if the length of one leg is 7 units and the length of the other leg is 14
Artyom0805 [142]

Answer:

The answer is D ( 15.65 )

Step-by-step explanation:

I did it (:

8 0
3 years ago
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