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irinina [24]
2 years ago
10

What is the factored form of 8x²-36x-20?

Mathematics
2 answers:
jarptica [38.1K]2 years ago
8 0

Answer:

(8x+4) ( x-5)

Step-by-step explanation:

Well we can't factor out the 8 and solve because if we do the -20 and -36 will be decimals.

So we do this

8 * -20 = -160

We need to find 2 number that multiplies  to -160 and adds to -36

-40 and 4 fit this category

they add to -36 and multiply to -160

Now we write the equation as

8x^2 - 40x + 4x -20

(8x^2-40x) (4x-20)

8x(x-5) + 4(x-5)

(8x+4) ( x-5)

abruzzese [7]2 years ago
7 0

Answer:

(4x + 2)( 2x - 10)

Step-by-step explanation:

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The ratio of the number of left-handed batters to the number of right handed batters is 5:8. There are 45 left-handed batters. f
Anuta_ua [19.1K]
Answer=15:39

Step1(find the number of right handed batters)

Left-handed batters=45

 5    45
__=___
8      x


Cross multiply
5x=360
divide both sides by 5
x=72
Right-handed batters=72

Step 2 (find the number of total batters)
total batters=45+72=117

Step3 (find the ratio of left handed batters to total batters)

Left-handed batters to total batters= 45/117
45/117 can be shortened to 15/39

Answer=15:39

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3 years ago
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vaieri [72.5K]

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7 0
3 years ago
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inessss [21]

Answer:

The better bar to buy is the Nutty Crunch

Step-by-step explanation:

4.74 / 6 = 0.79 per bar

7.80 / 10 = 0.78 per bar

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6 0
3 years ago
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Describe the transformation from the graph of f(x) = x + 2 to the graph of g(x) = x − 7.
galina1969 [7]
The graph went down 9
7 0
3 years ago
NO LINKS!!! Please help find the match​
Mkey [24]

Answer:

HI = 8

TU = 45

Step-by-step explanation:

→ Find the scale factor enlargement

45 ÷ 10 = 4.5

→ Multiply JI by the scale factor to find it

10 × 4.5 = 45

→ Divide UV by the scale factor to find it

36 ÷ 4.5 = 8

3 0
2 years ago
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