2 years ago

How many trees are in the field

Mathematics

1 answer:

DiKsa [7]2 years ago

3 0

Idk there is nothing to look at

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Evaluate 19C1 PLEASE HELP

LiRa [457]

Answer:

${19}C_1=19$

Step-by-step explanation:

We need to find the value of ${19}C_1$ .

C stands for combination.

The formula of combination is as follows :

$nC_r=\dfrac{n!}{r!(n-r)!}$

Here,

n = 19 and r = 1

So,

$nC_r=\dfrac{19!}{1!(19-1)!}\\\\nC_r=\dfrac{19!}{1!\times 18!}\\\\nC_r=\dfrac{19\times 18!}{1!\times 18!}\\\\nC_r=19$

So, the value of ${19}C_1$ is 19.

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3 years ago

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Please help is for now

telo118 [61]

Answer:

$2$

Step-by-step explanation:

Given:

$-2(1-4x)=3x+8$

Let's distribute the parenthesis

$-2+8x=3x+8$

Let's subtract $-3x$ from both sides

$-2+5x=8$

Let's add $2$ to both sides

$5x=10$

Now, let's divide both sides by $5$ to get $x$ alone

$x=2$

Hope this is helpful

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2 years ago

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What is the solution set to the inequality 5(x – 2)(x + 4) > 0?

ankoles [38]

Answer:

Step-by-step explanation:

The Answer is {x| x <-4 or x> 2}

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The elevation of a fish is - 27 feet. The fish descends 32 feet, and then rises

Tems11 [23]

Answer:

-45 feet.

Step-by-step explanation:

That would be - 27 - 32 + 14

= -59 + 14

= -45 feet.

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3 years ago

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A skateboard ramp at the skate park is in the shape of a triangular prism. What is the lateral surface area of the ramp? (SA = P

rodikova [14]

Answer:

Step-by-step explanation: i dont know

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3 years ago