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3 years ago

Can somebody do this or know how to do this? only right answers please (:

Mathematics

1 answer:

Vesna [10]3 years ago

4 0

The line passes through $(0,2)$ and $(2,-1)$ . We can compute the slope as

$m=\dfrac{\Delta y}{\Delta x} = \dfrac{-1-2}{2-0} = -\dfrac{3}{2}$

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What is the missing length??

amid [387]

Answer

The missing length is 10

Step-by-step explanation:

Represent the missing length with x

The sides of the given shape are directly proportional.

Mathematically:

(15 + x) to (12 + 8) and x to 7

Represent as a ratio:

$(15 + x) : (12 + 8) = x : 8$

$15 + x : 20= x : 8$

Convert to fraction

$\frac{15 + x}{20} = \frac{x}{8}$

Cross Multiply:

$(15 + x)*8 = 20 * x$

$120 + 8x = 20x$

Collect Like Terms

$20x - 8x = 120$

$12x = 120$

Solve for x

$x = \frac{120}{10}$

$x = 10$

The length of the missing side is 10

4 0

3 years ago

Find all factors of 27.

igor_vitrenko [27]

Answer:

all the factors of 27 is 1, 3 ,9,and 27

6 0

2 years ago

Read 2 more answers

3 cards are chosen at random from a standard 52-card deck. what is the probability that they form a pair? (a 3-card hand is a 'p

kozerog [31]

Hello!

First of all, we have a 4/52, or 1/13 chance of selecting a pair. Then, we select 1/3 cards 3 times, so we use this as our other fraction.

$\frac{1}{13}$ $\cdot \frac{1}{3}$ = $\frac{1}{39}$

Therefore, we have a 1/39 or about 3%.

I hope this helps!

8 0

3 years ago

What is the sum of the first 10 terms of the sequence 2, 6, 18,54...?

leonid [27]

Answer:

This is a sequence where you multiply that number 3 times. For example, 2 x 3 = 6. 6 x 3 = 18. 18 x 3 = 54 and so on. Therefore, multiplying 3 by the number is the Answer.

4 0

3 years ago

Can y’all please help me ?

hjlf

Answer:

4.3

Step-by-step explanation:

6 0

3 years ago