$145 saved in her account.
$8 an hour at work.
at least $320

320 - 145 = 175

175 ÷ 8 = 21.875

Louisa needs to work about 22 more hrs to have at least $320!

6 0

3 years ago

Please help it’s a timed exam

lina2011 [118]

Answer:

Here 86 is answer.

So you better choose 86.

7 0

3 years ago

Our school's girls volleyball team has 14 players, including a set of 3 triplets: Missy, Lauren, and Liz. In how many ways can w

Sonja [21]

A - not all 3 triplets can be in the starting lineup

A' - all 3 triplets can be in the starting lineup

$\displaystyle |\Omega|=\binom{14}{6}=\dfrac{14!}{6!8!}=\dfrac{9\cdot10\cdot11\cdot12\cdot13 \cdot14}{2\cdot3\cdot4\cdot5\cdot6}=3003\\ |A'|=\binom{11}{3}=\dfrac{11!}{3!8!}=\dfrac{9\cdot10\cdot11}{2\cdot3}=165\\ |A|=3003-165=2838\\\\ P(A)=\dfrac{2838}{3003}=\dfrac{86}{91}\approx95\%$

3 0

3 years ago

Largeat to smallest 1/4 2/9 4/12

Tresset [83]

2/9 then 1/4 and then 4/12

8 0

3 years ago