$-10xy(4xy^3-7xy+9y^2)\\\\=(-10xy)(4xy^3)+(-10xy)(-7xy)+(-10xy)(9y^2)\\\\\text{use}\ a^na^m=a^{n+m}\\\\=-40x^{1+1}y^{1+3}+70x^{1+1}y^{1+1}-90xy^{1+2}\\\\=-40x^2y^4+70x^2y^2-90xy^3$

6 0

3 years ago

Match the simplified expression to an equivalent expression 2t -9 2t-t

slava [35]

Answer: your trying to find an ecuagan to match the one it is saying so you can do 2t-8-3t which equals 13 just like the ecaution shown 2t-9-2t also equals 13

Step-by-step explanation: I hop this helps :D :) :) have a good day you guys/peeps

6 0

4 years ago

Please help me, ill give u a brainiest

trapecia [35]

$distance = | \frac{(- 4 \times 1) + (- 1 \times 1)-7}{ \sqrt{ {( - 4)}^{2} + {( - 1)}^{2} } } | \\= \frac{ - 12}{ \sqrt{17 } } \\ = \frac{ - 12 \sqrt{17} }{17} \\ = - 2.91$

6 0

3 years ago

The function G(x) is described below. G(x) = 4x + 1 What is the value of G(3)?

katrin2010 [14]

I hope this helps you

x=3

g (3)=4.3+1

g (3)=12+1

g (3)=13

4 0

3 years ago