$7\sqrt3-4\sqrt6+\sqrt{48}-\sqrt{54}\\\\=7\sqrt3-4\sqrt6+\sqrt{16\cdot3}-\sqrt{9\cdot6}\\\\=7\sqrt3-4\sqrt6+\sqrt{16}\cdot\sqrt3-\sqrt9\cdot\sqrt6\\\\=7\sqrt3-4\sqrt6+4\sqrt3-3\sqrt6\\\\=\boxed{11\sqrt3-7\sqrt6}$

3 0

2 years ago

Point N is on line segment MO. Given NO=2x−3, MO=3x+5, and MN=2x+3, determine the numerical length of MO.

ELEN [110]

Answer:-19

Step-by-step explanation:

3x+5-(2x-3)=0

3x+5-2x+3=0

x+8=0

x=-8

substitute x into 3x+5 to find the length of MO

3x+5

3(-8)+5

-24+5

-19

6 0

2 years ago

If 60 is 75% of a value,what is that value

NISA [10]

80

<span>Using the rule of 3, 60x100% =6000(obviously) and 6000/75 = 80</span>

4 0

2 years ago

Read 2 more answers

Write two expressions that show that decreasing a quantity by 10% is the same as multiplying that quantity by 0.9​

Write two expressions that show that decreasing a quantity by 10% is the same as multiplying that quantity by 0.9