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yanalaym
1 month ago
11

Py+qy=−4y+8 solve for y

Mathematics
2 answers:
PIT_PIT [12.4K]1 month ago
4 0
I’m uncertain whether this is accurate.
py + qy = -4 + 8
y(p + q) = -4y + 8
5y(p + q) = 8
5y = 8/p + q
Svet_ta [12.7K]1 month ago
3 0

Answer:

The solution for y in the equation is y=\frac{8}{(p+q+4)}.

Step-by-step explanation:

Let us take into account the equation presented.

py+qy=-4y+8

Our goal is to isolate y in this equation.

First, add 4y to both sides of the equation.

py+qy+4y=-4y+4y+8

py+qy+4y=8

Factor out y as demonstrated.

y(p+q+4)=8

Now, divide both sides by p + q + 4.

\frac{y(p+q+4)}{(p+q+4)}=\frac{8}{(p+q+4)}

y=\frac{8}{(p+q+4)}

Thus, the result for y is y=\frac{8}{(p+q+4)}.

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Jesus tiene un terreno cuadrado y su hermano uno rectángulalar,El Largo Del Terreno De Su hermano mide 5 metros más que el lado
Svet_ta [12734]

Response:

Jesus' land is square.

The land of his brother is rectangular.

Let's define the variables:

Lh = Length of the brother's land.

Ah = Width of the brother's land

Lj = Length of Jesus' land.

We know that:

Lh = 5m + Lj

Ah = Lj.

The area of a square with side length L is given by L^2.

Thus, the area of Jesus' land is Lj^2.

The area of a rectangle with length L and width A is A*L.

Therefore, the area of Jesus’ brother’s rectangle is:

Lh*Ah = (5m + Lj)*Lj

= 5m*Lj + Lj^2.

4 0
12 days ago
Austin keeps a right conical basin for the birds in his garden as represented in the diagram. The basin is 40 centimeters deep,
PIT_PIT [12445]

Answer:

51.15 cm

Step-by-step explanation:

Data provided

Basin has a depth of 40 centimeters

The angle of the sloping sides is 77°

The calculation for the shortest distance from the tip of the cone to its edge is detailed below:-

The angle will be split and is as follows

\frac{77^\circ}{2}=38.5^\circ

In the initial triangle, we will apply the "Cosine formula" as follows:-

\cos 38.5^\circ=\frac{Base}{Hypotenuse}

cos 38.5^\circ=\frac{40}{Hypotenuse}

\\\\0.782=\frac{40}{Hypotenuse}

\\\\Hypotenuse=\frac{40}{0.782}

=51.15\ cm

4 0
1 month ago
An element with mass 730 grams decays by 28.8% per minute. How much of the element is remaining after 10 minutes, to the nearest
AnnZ [12381]
\bf \qquad \textit{Amount for Exponential Decay}\\\\
A=P(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &730\\
r=rate\to 28.8\%\to \frac{28.8}{100}\to &0.288\\
t=\textit{elapsed time}\to &10\\
\end{cases}
\\\\\\
A=730(1-0.288)^{10}\implies A=730(0.712)^{10}
6 0
1 month ago
Read 2 more answers
A box has 14 camera of which 6 are refurbished and 8 are new. If four of these 14 cameras are selected at random without replace
Leona [12618]

Answer:

160/1001, 175/1001

Step-by-step explanation:

i) We calculate:

₈C₁ methods to select 1 new camera from a selection of 8

₆C₃ methods to select 3 refurbished cameras from a selection of 8

₁₄C₄ methods to select 4 cameras from the total of 14 cameras

The probability formula is:

P = ₈C₁ ₆C₃ / ₁₄C₄

P = 8×20 / 1001

P = 160 / 1001

P ≈ 0.160

ii) For at most one new camera, it means we want either one new camera or none at all. We've calculated the probability of selecting one new camera already. The probability of not selecting any new camera is equivalent to selecting 4 refurbished cameras:

P = ₆C₄ / ₁₄C₄

P = 15 / 1001

Therefore, the combined probability is:

P = 160/1001 + 15/1001

P = 175/1001

P ≈ 0.175

4 0
1 month ago
1) Jodi liked to collect stamps. On 3 different days she bought 6 stomps. Then she
babunello [11817]

Answer:

4

Step-by-step explanation:

6-4+2*5=12

12/3

4

6 0
1 month ago
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