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Anastasy [175]
3 years ago
6

6m- (7 + 4m) ANSWER ASAP

Mathematics
1 answer:
krek1111 [17]3 years ago
5 0

Answer:

=2m−7

Step-by-step explanation:

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The perimeter of a rhombus is 560 meters and one of its diagonals has a length of 76 meters. Find the area of the rhombus.
borishaifa [10]
The perimeter is the sum of the side lengths of a shape. <span> A </span>diagonal is a line segment joining two vertices of a polygon or polyhedron <span>when those vertices are not on the same edge. We calculate as follows:

Perimeter = 4a
560 = 4a
a = 140 meters

</span>A=(1/2)d√(4a^2 - d^2)
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4 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
alexandr1967 [171]

The new equation after the expression equivalent to x from the first equation is substituted into the second equation is: 2(-4y-9)+5y=-6

Step-by-step explanation:

We will solve the initial steps for substitution method for finding the correct answer

Given equations are:

x+4y = -9\ \  \ \ Eqn1\\2x+5y=-6\ \ \ Eqn2

From equation one

x+4y = -9\\x+4y-4y = -9-4y\\x = -4y-9

Putting x = -4y-9 in equation 2

2(-4y-9)+5y=-6

Hence,

The new equation after the expression equivalent to x from the first equation is substituted into the second equation is: 2(-4y-9)+5y=-6

Keywords: Linear equations, variables

Learn more about linear equations at:

  • brainly.com/question/726990
  • brainly.com/question/725998

#LearnwithBrainly

6 0
3 years ago
Slope = -2/5 y-intercept= 0
densk [106]

Answer:

y=(-2/5)x

Step-by-step explanation:

Assuming that the goal is to find the linear equation in slope-intercept form, this problem is pretty simple.

Slope intercept form is y=mx+b, where m is the slope and b is the y-intercept. We just have to plug in the information

y=(-2/5)x+0

Simplifies to:

y=(-2/5)x

3 0
3 years ago
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Andrew [12]
Do you have any more information there really is no other way to solve it with out more information
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4 years ago
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X+2y&gt;-5can you show me in a graph
skad [1K]
Yes, actually...
HERE YOU GO!!!

8 0
3 years ago
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