All categories

3 years ago

Solve y over negative 2 5 = 13.

Mathematics

2 answers:

devlian [24]3 years ago

8 0

Y/-2 + 5 = 13
y/-2 = 13 - 5 = 8
y = -2(8) = -16
y = -16

Anika [276]3 years ago

3 0

Answer:

$y=-16$

Step-by-step explanation:

The expression is written:

$-y/2+5=13$

We multiply the whole expression by 2 to get rid of the fraction:

$-y+5\cdot(2)=13\cdot(2)$

$-y+10=26$

We move -y to the right hand side to make it positive y and move 26 to the left side to subtract it from 10:

$10-26=y$

$y=-16$

You might be interested in

Write an equation of a circle that has the center at the origin and goes through (-3,-6)

dexar [7]

Answer:

$x^{2} +y^{2} = 45$

Step-by-step explanation:

General Equation of circle is

$(x-x_1)^{2} +(y-y_1)^{2} = r^{2}$ ----------- (1)

Here

$(x_1, y_1)= (0, 0)$

Radius r is distance from origin (x1, y1) to point (x2, y2)=(-3, -6)

$r=\sqrt{(x_2-x_1)^{2} + (y_2-y_1)^{2} }$

$r= \sqrt{(-3-0)^{2} + (-6-0)^{2} }$

$r= \sqrt{9+36}$

$r=\sqrt{45}$

Substituting values in equation (1)

$(x-0)^{2} +(y-0)^{2} =( \sqrt{45})^{2}$

$x^{2} +y^{2} = 45$

6 0

3 years ago

Occasionally an airline will lose a bag. Suppose a small airline has found it can reasonably model the number of bags lost each

julia-pushkina [17]

Answer:

a) The probability that the airline will lose no bags next monday is 0.1108

b) The probability that the airline will lose 0,1, or 2 bags next Monday is 0.6227

c) I would recommend taking a Poisson model with mean 4.4 instead of a Poisson model with mean 2.2

Step-by-step explanation:

The probability mass function of X, for which we denote the amount of bags lost next monday is given by this formula

$P(X=k) = \frac{e^{-2.2} * {2.2}^k }{k!}$

$P(X=0) = \frac{e^{-2.2} * {2.2}^0 }{0!} = 0.1108$

The probability that the airline will lose no bags next monday is 0.1108.

b) Note that $P(X \in \{0,1,2\} = P(X=0) + P(X=1) + P(X=2)$ . And

$P(X=0)+P(X=1)+P(X=2) = e^{-2.2} * (1 + 2.2 + 2.2^2/2) = 0.6227$

Therefore, the probability that the airline will lose 0,1, or 2 bags next Monday is 0.6227.

c) If the double of flights are taken, then you at least should expect to loose a similar proportion in bags, because you will have more chances for a bag to be lost. WIth this in mind, we can correctly think that the average amount of bags that will be lost each day will double. Thus, i would double the mean of the Poisson model, in other words, i would take a Poisson model with mean 4.4, instead of 2.2.

6 0

3 years ago

Helpppppppppppppppppppppppppppppppp

nirvana33 [79]

Answer:

$= 15.6 \times 18 \\ = 280.8 \: {in}^{2} \\ = > \: six \: sides \\ = 280.8 \times 6 \\ = 1684.8 \: {in}^{2}$

8 0

3 years ago

What would .0256 be three decimal places

larisa [96]

Answer:

.026

Step-by-step explanation:

8 0

3 years ago

2025bellikar avatar

Novosadov [1.4K]

Answer:

sweet

Step-by-step explanation:

This took 80 minutes

3 0

3 years ago