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4 years ago

What is the equation of a line with a slope of -1 and a y-intercept of -5

Mathematics

1 answer:

g100num [7]4 years ago

8 0

Answer:

-x-5

Step-by-step explanation:

Not even going to explain this

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A cylindrical well is 15 meters deep and has a diameter of 1.6 meters. Approximately how many cubic meters of soil were dug out

Lisa [10]

We can dig out the soil from the well equal to volume of well.

Height(h) of well is = 15 meters.

Diameter = 1.6 meters.

So radius(r) = $\frac{1.6}{2} = 0.8$ meter.

As well in cylindrical shapes.

So volume of well = $\pi r^2h$
                               = $\pi * (0.8)^2 * 15$
                                $= 9.6 * \pi$
In general $\pi = 3.14$

So volume of well is = $9.6 * 3.14$
   $= 30.144$ cubic meter.

So we can dig out 30.144 cubic meter soil from well.

5 0

3 years ago

What is the relationship between angle BAC and angle BOC?

Basile [38]

In this problem, an angle like angle BAC where the vertices like on the circle itself is called the inscribed angle.

While angle BOC, where O is the center of the circle, is called the central angle.

Using Proposition III.20 from Euclid's Elements, this is called the Inscribed Angle Theorem wherein:

∠BOC = 2∠BAC

or ∠BOC / 2 = ∠<span>BAC</span>

3 0

3 years ago

What does 3 < x/2+1 equal

dusya [7]

I'm not sure if I'm correct x>9

8 0

4 years ago

Solve: 1/5x = -10 A) -50 B) -20 C) -2 D) 2

Ede4ka [16]

Answer: A. x= -50

Step-by-step explanation:

1/5x = -10

<u> 1 </u>= -10

1.1 = 5x. (-10)

- 50x

x= -50

6 0

4 years ago

Ponderosa Paint and Glass carries three brands of paint. A customer wants to buy another gallon of paint to match paint she purc

sveta [45]

Answer:

$\frac{4}{9}$

Step-by-step explanation:

Two events are independent of each other, this is called Compound Probability. Classical example is if two coins are filped, what is the probability of getting two heads in a row.?

Answer: each has 50% probability because there are two states only, either H or T. since we have two coins the probability of getting two heads in row is the product of obtaining heads for each individual coin (which is independent of each other). or is $\frac{1}{2}$ × $\frac{1}{2}$ = $\frac{1}{4}$ = 25%. (Notice!).

Back to our problem, now here we have 3 paint brands and one of them is the right paint brand and two of them are not correct brands. so the prabablity that the customer has picked not correct brand is $\frac{2}{3}$ and her husband has not picked correct brand is also $\frac{2}{3}$ , since two probabilities are compound probabilities i.e indepandant of each other the probablity that both woman and her husband fail get correct brand is the product of the two and is = $\frac{2}{3}$ × $\frac{2}{3}$ = $\frac{4}{9}$ .

4 0

3 years ago

What is the equation of a line with a slope of -1 and a y-intercept of -5​

What is the equation of a line with a slope of -1 and a y-intercept of -5