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2 years ago

13

Ming-Li spent $15 at the movies. She then earned $30 babysitting. She spent $12 at the bookstore. She now has $18 left. How much

money did Ming-Li have to begin with?

1 answer:

liq [111]2 years ago

5 0

$21 I believe (it's 1 am where I am so I'm not 100% sure but I think it's correct)

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Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was

frozen [14]

Answer: 101.69

Step-by-step explanation:

Formula we use to find the z-score :-

$z=\dfrac{x-\mu}{\sigma}$ (1)

Given : $\mu=90$

$\sigma=7$

Daniel's z score : z= 1.67

Let x be the raw score for Daniel's exam grade, then substitute the values of $\mu,\ \sigma\ and \ x$ in (1), we get

$1.67=\dfrac{x-90}{7}\\\\\Rightarrow\ x-90=7\times1.67\\\\\Rightarrow\ x=11.69+90=101.69$

Hence, the raw score for Daniel's exam grade = 101.69

3 0

3 years ago

The cost for a company to produce a part for d days is represented by the function f(d)=325d + 8,795. What does the value 8,795

Anna007 [38]

Answer:

C

Step-by-step explanation:

A, B are wrong since 8,795 is a constant, it doesn’t change;

D is wrong since it is the starting cost, not total cost

4 0

3 years ago

After a 15% reduction, the sale price of a car is £13175. What was the

OlgaM077 [116]

Answer:

<u>The original price of the car was 11198.75</u>

Step-by-step explanation:

Hope it helps!

6 0

1 year ago

In a flower garden, there are 4 tulips for every 9 daisies. If there are 24 tulips, how many daisies are there? Please help i wi

miss Akunina [59]

54 daisies is the answer

Hope you have a good day!

4 0

3 years ago

Please help! thanks

anygoal [31]

1 =1,1,4. 5=13,16

2 =1,4. 6=23,3

3 =18,55. 7= 25,8

4 =3,16.

ps , meanes fraction

7 0

2 years ago