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2 years ago

Simplify 2y+(4+5y) expression

Mathematics

2 answers:

andreyandreev [35.5K]2 years ago

5 0

Answer: 11y

Step-by-step explanation:

2y+(4+5y)

2y+4+5y

7y+4

= 11y

Pavlova-9 [17]2 years ago

4 0

2y+(4+5y)
2y+4+5y
7y+4

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Someone please help.

UkoKoshka [18]

$\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the Factorisation.

Since here both are the roots of the quadratic equation in the factor form, hence

equate them to zero, to get the value of x

hence,

2x-9 = 0

===> x = 9/2

and

3x+5=0

===> x = -5/3

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2 years ago

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A quadrilateral has congruent diagonals. It is probably a( n) ______.

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3 years ago

James estimated the total cost of groceries to be $50. The actual cost of the groceries is $65. What is the percent error? Round

Alex777 [14]

To get percent error you take actual-predicted and divide by the actual then multiply by 100 to get the percent.

65-50=15

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2 years ago

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Please help me 33/2 + 3y/5 = 7y/10 + 15

8090 [49]

We are given with an equation in variable y and we need to solve for y . So , now let's start !!!

We are given with ;

${:\implies \quad \sf \dfrac{33}{2}+\dfrac{3y}{5}=\dfrac{7y}{10}+15}$

Take LCM on both sides :

${:\implies \quad \sf \dfrac{165+6y}{10}=\dfrac{7y+150}{10}}$

Multiplying both sides by 10 ;

${:\implies \quad \sf \cancel{10}\times \dfrac{165+6y}{\cancel{10}}=\cancel{10}\times \dfrac{7y+150}{\cancel{10}}}$

${:\implies \quad \sf 165+6y=7y+150}$

Can be further written as ;

${:\implies \quad \sf 7y+150=165+6y}$

Transposing 6y to LHS and 150 to RHS

${:\implies \quad \sf 7y-6y=165-150}$

${:\implies \quad \bf \therefore \quad \underline{\underline{y=15}}}$

8 0

2 years ago

HELP ASAP Solve the equation for x. 3x - 5x + 4 = 10 x = PLEASE ANSWER STEP BY STEP

Doss [256]

Answer:

X=-3

Step-by-step explanation:

3x-5x+4=10

-2x=6

x=-3

note: I wasn’t sure if the equation ended in 10 or 10x. I think it ends at 10 so that is how I solved.

3 0

2 years ago