3 years ago

What is 7 1/2 of 10 as a percent

Mathematics

2 answers:

Dominik [7]3 years ago

8 0

Answer:

75%

Step-by-step explanation:

10 * x = 7.5

x = 7.5/10

x = 0.75

x = 75%

Tcecarenko [31]3 years ago

8 0

75 percent would be the correct answer

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3 years ago

Cedric has 4 markers, 1 blue pen, and 1 black pen in his pencil pouch. What is the probability that he chooses a pen if he reach

Mars2501 [29]

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40x=10x^2+41 <br><br> Identify the number of solutions and their types using the discriminant

nydimaria [60]

Number of solutions: no roots

Type of solution: Not Real

Step-by-step explanation:

We need to identify the number of solutions and their types using the discriminant.

We are given: $40x=10x^2+41\\$

Rearranging:

$40x-10x^2-41=0\\10x^2-40x+41=0$

Discriminant can be found by: $b^2-4ac$

where b=-40, a=10 and c=41

Putting values:

$b^2-4ac\\=(-40)^2-4(10)(41)\\=1600-1640\\=-40\\$

So, Discriminant is -40

If the discriminant is less than zero i.e -40 then there are no real roots.

So, Number of solutions: no roots

Type of solution: Not Real

Keywords: discriminant

Learn more about discriminant at:

#learnwithBrainly

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3 years ago

Find thw product of (x+3)(x-3)(x+7)

Lesechka [4]

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Step-by-step explanation:

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