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4 years ago

PLEASE SHOW ALL YOUR WORK TO GET BRAINLIEST AWARD

1 answer:

8 0

7x+2y=5;13x+14y=-1 Solution : {x,y} = {1,-1} System of Linear Equations entered : [1] 7x + 2y = 5 [2] 13x + 14y = -1 Graphic Representation of the Equations : 2y + 7x = 5 14y + 13x = -1 Solve by Substitution :

// Solve equation [2] for the variable y

[2] 14y = -13x - 1 [2] y = -13x/14 - 1/14

// Plug this in for variable y in equation [1]

[1] 7x + 2•(-13x/14-1/14) = 5 [1] 36x/7 = 36/7 [1] 36x = 36

// Solve equation [1] for the variable x

[1] 36x = 36 [1] x = 1

// By now we know this much :

x = 1 y = -13x/14-1/14

// Use the x value to solve for y

y = -(13/14)(1)-1/14 = -1 Solution : {x,y} = {1,-1} Processing ends successfully

You might be interested in

Which equation can be used to calculate the surface area of the triangular prism net show below? The net of a rectangular prism.

gizmo_the_mogwai [7]

The $13\times10+12\times10+5\times10+\rm \frac{1}{2} \times 5 \times12+\rm \frac{1}{2} \times 5 \times12$ equation can be used to calculate the surface area of the triangular prism.

It is given that the triangular prism net showing in the figure with dimensions.

It is required to find which equation can be used to find the surface area of the triangular prism net.

<h3>What is surface area?</h3>

It is defined as the area of 3-dimensional geometry surfaces area sum which is occupying the outer area of the object.

We know the area of a rectangle = length × width

Area of the top rectangle = 13×10

Area of the middle rectangle = 12×10

Area of bottom rectangle= 5×10

The formula for finding the area of a triangle:

$\rm A=\frac{1}{2} \times bh$

Area of right triangle = $\rm \frac{1}{2} \times 5 \times12$

Area of left triangle = $\rm \frac{1}{2} \times 5 \times12$

The surface area = Area of top+ Area of middle+ Area of bottom+ Area of

a right triangle+ Area of the left triangle

$=13\times10+12\times10+5\times10+\rm \frac{1}{2} \times 5 \times12+\rm \frac{1}{2} \times 5 \times12$

Thus, the $13\times10+12\times10+5\times10+\rm \frac{1}{2} \times 5 \times12+\rm \frac{1}{2} \times 5 \times12$ equation can be used to calculate the surface area of the triangular prism.

Learn more about the surface area here:

brainly.com/question/1196953

3 0

3 years ago

Difference between translatory and rectilinear motion.

Trava [24]

The difference is in way we observe some object that is moving. In translatory motion each point of the object has to go in straight line. A ball for example when kicked is rolling which means that not all of its oints are going in straight line. Some of points on ball are rotating. On the other hand in rectilinear motion it is only important that object is moving on straight line and it doesnt matter if it is rotating. So kicked ball that moves on ground is example of that.

Example of translatory motion can be our body in a bus that is going in straight line but not that wheels are rotating so they are moving rectilinear.

8 0

3 years ago

HELPP PLEASEE! pleaseeeeee

vfiekz [6]

Answer:

a = 14 km

Step-by-step explanation:

The area of a triangle is

A = 1/2 bh where b is the base and h is the height

112.7 = 1/2 ( a) 16.1

112.7 = 8.05a

Divide each side by 8.05

112.7/8.05 = a

14 =a

a = 14 km

3 0

3 years ago

Write a division expression for the fraction. 8/12

irga5000 [103]

Answer:

8÷12

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

PLEASE ANSWER FAST

Nadya [2.5K]

A. The scatter plot has an outlier at (4, 11).
Remember that the ordered pair is of the form:
(x, y).
That is, the first value represents the axis of the x.
The second value represents the y-axis.
The scatter plot has an outlier at
(x, y) = (4, 11)
x = 4
y = 11
C.The scatter plot has a cluster with a domain from 10 to 12.
Remember that when we speak of domain we refer to the values of x in the function.
Therefore in domain 10 <= x <= 12 The scatter plot has a cluster

6 0

3 years ago