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3 years ago

The expression on the left side of an equation is shown below.

Mathematics

2 answers:

cluponka [151]3 years ago

7 0

Answer:

4) x

Step-by-step explanation:

The expression on the left side simplifies to:

-4(x - 2) + 5x =

= -4x + 8 + 5x

= x + 8

To have an equation with no solution, you need the same x term on the right side but a different constant term. The x term on the left side is x. You need x on the right side but with a constant term different than 8.

Answer: 4) x

nlexa [21]3 years ago

6 0

Expression that can be written in the box on the other side of the equation will be x

Step-by-step explanation:

The left side of equation is: $-4(x-2)+5x$

Simplifying the equation we get:

$-4(x-2)+5x\\=-4x+8+5x\\=-4x+5x+8\\=x+8$

An equation has no solution when, we cannot find the value of x.

So, The order side of equation can be x

i.e,

$-4(x-2)+5x=x\\x+8=x\\x-x=-8\\0\neq 8$

So, expression that can be written in the box on the other side of the equation will be x

Keywords: Solving Equations

Learn more about solving equations at:

#learnwithBrainly

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Answer:

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Step-by-step explanation:

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There are 520 marbles in a jar. The ratio of red to yellow marbles is 3:4 and the ratio of yellow to blue marbles is 2:3. What i

frutty [35]

Answer:

Step-by-step explanation:

Change the 2/3 to 4/6

Now the ratio becomes 3:4:6

So the number of each is

3x + 4x + 6x = 520

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3 years ago

The length of each side of an equilateral triangle is increased by 20%, resulting in triangle ABC. If the length of each side of

kompoz [17]

Answer: Area of ΔABC is 2.25x the area of ΔDEF.

Step-by-step explanation: Because equilateral triangle has 3 equal sides, area is calculated as

$A=\frac{\sqrt{3} }{4} a^{2}$

with a as side of the triangle.

Triangle ABC is 20% bigger than the original, which means its side (a₁) measures, compared to the original:

a₁ = 1.2a

Then, its area is

$A_{1}=\frac{\sqrt{3} }{4}(1.2a)^{2}$

$A_{1}=\frac{\sqrt{3} }{4}1.44a^{2}$

Triangle DEF is 20% smaller than the original, which means its side is:

a₂ = 0.8a

So, area is

$A_{2}=\frac{\sqrt{3} }{4} (0.8a)^{2}$

$A_{2}=\frac{\sqrt{3} }{4} 0.64a^{2}$

Now, comparing areas:

$\frac{A_{1}}{A_{2}}= (\frac{\sqrt{3}.1.44a^{2} }{4})(\frac{4}{\sqrt{3}.0.64a^{2} } )$

$\frac{A_{1}}{A_{2}} =$ 2.25

The area of ΔABC is 2.25x greater than the area of ΔDEF.

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2 years ago

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crimeas [40]

I'm not sure but I'm gonna guess that the answer is 50?

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3 years ago