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Ulleksa [173]
3 years ago
6

Unit rate of 12 in 4

Mathematics
1 answer:
Irina18 [472]3 years ago
4 0

Answer: 3

Step-by-step explanation:

i think   im not 100% sure

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I NEED HELP QUICKLY!!! What is the sum of the first 140 positive multiples of 3?
garri49 [273]

Answer:

C

Step-by-step explanation:

The multiples of 3 are

3, 6, 9, 12, 15, ...........

The terms form an arithmetic sequence with common difference of 3.

The sum to n terms is

S_{n} = \frac{n}{2} [2a₁ + (n - 1)d ]

where a₁ is the first term and d the common difference

Here a₁ = 3 and d = 3, thus

S_{140} = \frac{140}{2} [ (2 × 3) + (139 × 3) ]

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3 years ago
I need help! Will this would be very appreciated!pls
elena-s [515]

Answer:

No real

solution

Step-by-step explanation:

Firstly, let us check if we would be having a real solution

We start by rewriting the equation

We have this as;

8x^2 -25x + 24 = 0

We proceed to get the discriminant

Mathematically, we have this as;

D = b^2 - 4ac

b is the coefficient of x which is -25

a is the coefficient of x^2 which is 8

c is the last number which is 24

So we have;

D = (-25)^2 - 4(8)(24)

D = 625 - 768 = -143

Since the value of the discriminant is negative, there cannot be real roots

What we have as solution are complex roots

6 0
2 years ago
Write the converse of this conditional statement If an animal is a poodle, then it is a dog.
Llana [10]

Answer:

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Step-by-step explanation:

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2 years ago
You are 5.5 feet tall, go to the park and want to know the height of a nearby tree. Using the measurements found, calculate the
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Step-by-step explanation:

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