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2 years ago

5

2 1/5 + 1 3/5 = ??? Plz help

1 answer:

jok3333 [9.3K]2 years ago

5 0

Answer:

$3 \frac{4}{5}$

Step-by-step explanation:

1) Add the whole numbers first.

$3 + \frac{1}{5} + \frac{3}{5}$

2) Join the denominators.

$3 + \frac{1 + 3}{5}$

3) Simplify.

$3 \frac{4}{5}$

hence, the answer is 3 4/5.

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The value of 4a( a - 3 ) is :

liubo4ka [24]

Answer:

Its -12 if a is meant to be multiplied

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2 years ago

Simplify completely x^2+4x-5/5x^2-8x+3

arlik [135]

Answer:

$\boxed{\bold{\frac{x+5}{5x-3}}}$

Explanation:

[ Step One ] Factor $\bold{x^2+4x-5}$

$\bold{x\left(x-1\right)+5\left(x-1\right)}$

[ Step Two ] Rewrite Equation

$\bold{\frac{\left(x-1\right)\left(x+5\right)}{5x^2-8x+3}}$

[ Step Three ] Factor $\bold{5x^2-8x+3}$

$\bold{\left(x-1\right)\left(x+5\right)}$

[ Step Four ] Rewrite Equation

$\bold{\frac{\left(x-1\right)\left(x+5\right)}{\left(5x-3\right)\left(x-1\right)}}$

[ Step Five ] Cancel Out Common Factor $\bold{x-1}$

$\bold{\frac{x+5}{5x-3}}$

$\boxed{\bold{Mordancy}}$

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3 years ago

I’m stuck with this question :(

gayaneshka [121]

Answer:

The same number was not added to both sides.

Step-by-step explanation:

Given:

t - 8 = 65

in the next step it states something wrong, because it should have been this:

t - 8 = 65

add +8 left and right of the = sign.

t - 8 + 8 = 65 + 8

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So the error made what's that

The same number was not added to both sides.

8 0

3 years ago

Read 2 more answers

Determine which of the following statements is true for the function<br> g(x) = 4x - 3x5 + 2x - 1.

Vinvika [58]

Answer:

what statements

Step-by-step explanation:

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3 years ago

What are the coordinates of 2x-4y=6 and 3x+y=-5 ?

RideAnS [48]

Answer:

The coordinates are x = -1 and y = -2.

Step-by-step explanation:

Given:

Equations are 2x-4y=6 and 3x+y=-5.

Now, to find the coordinates.

$2x-4y=6$ ...........(1)

$3x+y=-5$ ...........(2)

So, first we solve the equation 1 to get the value of $x$ .

$2x-4y=6$

Subtracting both sides by $-4y$ we get:

$2x=6+4y$

Dividing both sides by 2 we get:

$x=3+2y$

Now, we put the value of $x$ in equation 2 to get $y$ .

$3x+y=-5$

$3(3+2y)+y=-5$

$9+6y+y=-5$

$9+7y=-5$

On solving the whole equation we get :

$y=-2$

And, now putting the value of $y$ in equation (1) we get $x$ :

$2x-4y=6$

$2x-4(-2)=6$

$2x+8=6$

$2x=6-8$

$2x=-2$

on solving we get:

$x=-1$

Therefore, the coordinates are x=-1 and y=-2.

5 0

3 years ago