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3 years ago

Pls help. I’m having trouble with this last question

Mathematics

1 answer:

Ivanshal [37]3 years ago

4 0

Answer:

The total area is 11x

Step-by-step explanation:

So if you split the model then the left side would be A=2x*3x which would be 6x because the 1 doesn't apply because we don't know what x is, so the area of the left side is 6x. Then the right side would be A=5*x which would just be 5x because again, we don't know the value of x, so the area of the left side is also 5x. Put the two together and BOOM- 11x!

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Hello, I'm trying to solve 6x + y = 4, x - 4y = 19. I have found the y but I cant seem to find the x. Plz help and we cant use d

gizmo_the_mogwai [7]

Answer:

$x=\frac{7}{5}$

$y=-\frac{22}{5}$

Step-by-step explanation:

Given:

The given expressions are.

$6x+y=4$

$x-4y=19$

We need to find x and y values.

Solution:

Equation 1⇒ $6x+y=4$

Equation 2⇒ $x-4y=19$

First solve the equation 1 for y.

$6x+y=4$

$y = 4-6x$ --------(3)

Substitute $y = 4-6x$ in equation 2.

$x-4(4-6x)=19$

Simplify.

$x-(4\times 4 - 4\times 6x)=19$

$x-(16-24x)=19$

$x-16+24x=19$

Add 16 both side of the equation.

$25x-16+16=19+16$

$25x=35$

$x=\frac{35}{25}$

Divide Numerator and denominator by 5.

$x=\frac{7}{5}$

Substitute x value in equation 3 and simplify.

$y=4-6(\frac{7}{5})$

$y=4-\frac{6\times 7}{5}$

$y=4-\frac{42}{5}$

$y=\frac{5\times 4-42}{5}$

$y=\frac{20-42}{5}$

$y=-\frac{22}{5}$ .

Therefore, the value of $x=\frac{7}{5}$ and $y=-\frac{22}{5}$ .

6 0

4 years ago

Is 0.0009763 a positive or a negative

andrew11 [14]

Step-by-step explanation:

negative because it's a negative number until it gets a full ratio unit or positive unit

6 0

3 years ago

Read 2 more answers

Write the equation of the line with the given slope, m, and y-intercept, m= 7/4 b = -3

densk [106]

Answer:

y = 7/4x - 3

Step-by-step explanation:

y = mx + b

y = 7/4x - 3

6 0

3 years ago

Write the number below as a fraction in its simplest form<br> 0.569

san4es73 [151]

Answer:

$\binom{569}{1000}$

Step-by-step explanation:

Step 1:

$\binom{0.569}{1}$

Step 2:

Then multiply both by 1000

$\binom{569}{1000}$

It cant be simplifyed further so its in simplest form

8 0

3 years ago

Explain direct variation equations please. Provide an example.

nikitadnepr [17]

A direct variation is a linear equation. It describes a simple relationship between two variables.

Example: if y varies directly as x, and y = 6 when x = 2, the constant of variation is k = = 3.

Hope this helped!! :)

6 0

3 years ago