3 years ago

Simplify this equation 6√40 -2√90 +3√160

Mathematics

1 answer:

elena-s [515]3 years ago

3 0

Answer:

BRAINLIEST PLZZZ

Step-by-step explanation:

Pull terms out from under the radical, assuming positive real numbers.

Exact Form:

18 √ 10

Decimal Form:

56.92099788

…

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Find the equation of the line through point (-5,5) and perpendicular to y = 5/9x - 4

tankabanditka [31]

Answer:

$9x+5y=-20$

Step-by-step explanation:

$y = \frac{5}{9} x - 4$

compare with that y=mx+c

where m=slope .

So after comparing we get m= $\frac{5}{9}$

As the lines are perpendicular

$m1*m2=\ -1$

$m2 \ =\ \frac{-1}{m1}$

therefore m2= $\frac{-9}{5}$

Now from the equation

$y - b = m(x - a )$ this equation passing to the point (-5,5) with m= $\frac{-9}{5}$

$y-5=\frac{-9}{5} (x+5)\\5y-25=-9x\ -45\\9x+5y=-20$

Therefore equation is

$9x+5y=-20$

7 0

3 years ago

? :))))))))))))))))))))))

konstantin123 [22]

Answer:

H my friend

Step-by-step explanation:

H is the answer

8 0

3 years ago

How could you change the expression<br> (-8)(-5)(-3) so that the product is<br> positive?

LenKa [72]

Answer:

You make one number positive.

Step-by-step explanation:

A negative number multiplied by a negative number is positive, so that means that if you choose two of the numbers in this expression you will get a positive number. However, there is still one negative number left and you will get a negative product if you multiply, because a positive number multiplied by a negative number is a negative number. If you make this last number positive you will get a positive product.

Hope this helps!

5 0

3 years ago

Solve 2x+4 so that it has one solution

natima [27]

Answer:

-2

Step-by-step explanation:

We can set it equal to zero

2x+4 = 0

2x =-4

x = -2