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3 years ago

I need to know if 4(x + y) and 4y + 4x are equivelent please

Mathematics

2 answers:

PolarNik [594]3 years ago

3 0

Yes they are because you use distributive property and 4(x+y) you have to do 4•x= 4x and 4•y=4y so it would be 4y+4x

Alik [6]3 years ago

3 0

Answer:

Yes, they are equivalent.

First distribute the 4 to the variables inside the parenthesis.

4 × x= 4x

4 × y=4y

4x+4y

So these are equivalent.

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Write down in terms of n, an expression for the nth term

Nimfa-mama [501]

Answer:

$a_{n}$ = - 7n - 1

Step-by-step explanation:

There is a common difference between consecutive terms , that is

- 15 - (- 8) = - 22 - (- 15) = - 29 - (- 22) = - 36 - (- 29) = - 7

This indicates the sequence is arithmetic with nth term

$a_{n}$ = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 8 and d = - 7 , then

$a_{n}$ = - 8 - 7(n - 1) = - 8 - 7n + 7 = - 7n - 1

7 0

3 years ago

A right triangle has legs E and f and hypotenuse H. The value of e= 10. The angle opposite leg f is 35°. Which expression can be

mariarad [96]

Answer:

sorry buddy i dont know the answer hope this helps

Step-by-step explanation:

Isn't this what u did to me when i needed help and took my points away.

6 0

3 years ago

Someone please help me with my homework please please help please help me with my homework

densk [106]

C=2x Pi x R so 2x3.14x17.5 = 109.9

5 0

3 years ago

Find x pretty please

mario62 [17]

Answer:

100⁰

because this is a quadrilateral inscribed in the circle

=> x + 80 = 180

<=> x = 180 - 80 = 100⁰

3 0

3 years ago

What vaule of x makes th question true? 3x+2(x-5)=50 a. 8 b.9 c.11 d.12

Ainat [17]

Hey Tierra7l,

Lets solve your equation together step by step.

$3x+2\left(x-5\right)=50$

$\mathrm{Expand}\:2\left(x-5\right):\quad 2x-10$

$\mathrm{Distribute\:parentheses\:using}:\quad \:a\left(b+c\right)=ab+ac$

$a=2,\:b=x,\:c=-5$

$2\cdot \:x+2\left(-5\right)$

$\mathrm{Apply\:minus-plus\:rules}$

$\:\:+\left(-a\right)=-a$

$2x-2\cdot \:5$

$\mathrm{Multiply\:the\:numbers:}\:2\cdot \:5=10$

$2x-10$

$3x+2x-10=50$

$\mathrm{Add\:similar\:elements:}\:3x+2x=5x$

$5x-10=50$

$\mathrm{Add\:}10\mathrm{\:to\:both\:sides}$

$5x-10+10=50+10$

$\mathrm{Simplify}$

$5x=60$

$\mathrm{Divide\:both\:sides\:by\:}5$

$\dfrac{5x}{5}=\dfrac{60}{5}$

$\mathrm{Simplify}$

$x=12$

Hope this helps,

AnthrαX <span> </span>

4 0

3 years ago