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sveticcg [70]
4 years ago
6

What is the slope of 3x+8y-1=0

Mathematics
1 answer:
Fudgin [204]4 years ago
7 0
One of the most common ways to find the slope is to put the problem in standard, slope-intercept form, which is y=mx+b. The easiest way to describe this process is to isolate y.
Here's how you do it for this problem:
3x+8y-1=0 \\ (3x+8y-1)+1=(0)+1 \\ 3x+8y=1 \\ (3x+8y)-3x=(1)-3x \\ 8y=-3x+1 \\ (8y)/8=(-3x)/8+(1)/8 \\ y= -\frac{3}{8}x+ \frac{1}{8}
Since m is your slope, the answer would be -3/8.
Hope this helps!
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3. Mateus recebe a visita do seu avô Pedro a cada 15 dias. João, o tio dele, o visita a cada 100
maxonik [38]

Answer:

Este acontecimento se repetirá 300 dias depois.

Step-by-step explanation:

Quando os eventos se repetirão no mesmo dia?

Cada evento tem uma frequência.

Eles ocorrem simultaneamente a cada x dias, e x é dado pelo MMC(Mínimo Múltiplico Comum) entre as frequência.

Neste problema:

A cada 15 dias o avô visita.

A cada 100 dias o tio visita.

A cada 12 dias vai à praia.

Quantos dias depois este acontecimento se repetirá?​

Os três no mesmo dia vão se repetir após x dias, em que x é dado pelo MMC de 15, 100 e 12

MMC de 15, 100 e 12

Fatorando simultâneamente estes valores:

15 - 100 - 12|2

15 - 50 - 6|2

15 - 25 - 3|3

5 - 25 - 1|5

1 - 5 - 1|5

1 - 1 - 1

Então:

mmc(15,100,12) = 2*2*3*5*5 = 300

Este acontecimento se repetirá 300 dias depois.

3 0
3 years ago
Is 15 over 50 equivalent to 0.3
alexdok [17]
Yes,\ because\\\\\frac{15}{50}=\frac{15:5}{50:5}=\frac{3}{10}=\boxed{0.3}
6 0
3 years ago
Read 2 more answers
Why is the table not a probability distribution table?
jeyben [28]

Using <u>probability distribution concepts</u>, the correct option is:

  • C. the sum of the probabilities is not 1.00

  • In a probability distribution, the <u>sum of all probabilities has to be equals to 1</u>.

In this problem, the probabilities are: 0.25, 0.45, 0, 0.35.

Their sum is:

0.25 + 0.45 + 0 + 0.35 = 1.05

Since the <u>sum is not 1</u>, the correct option is:

  • C. the sum of the probabilities is not 1.00

For more on <u>probability distribution concepts</u>, you can check brainly.com/question/24802582

8 0
3 years ago
3m4 +21 - am4 - 7a =
Yuliya22 [10]
Plug into a calculator
8 0
3 years ago
A family is having a pool built in their backyard. Their yard is rectangular and measures 14x by 19x and the pool is circular wi
valentina_108 [34]
You want to find the area left over after the pool is built, so subtract the area of the pool from the area of the yard.

Area of Yard= Base x Height = 14x*19x = 266x^2
Area of Circle= Pi x Radius^2 = (6x)^2*pi = 36x^2*pi

Now subtract the two areas:
266x^2-(36^2*pi)
266x^2-36x^2*pi

Take 2x^2 as a common factor:
2x^2(133-18pi)

D: <span>2x^2(133-18pi)

Hope this helps :)</span>
3 0
3 years ago
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