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AnnZ [28]
3 years ago
12

Write the expression in expanded form. (4.2z)(-5y-3)

Mathematics
1 answer:
oee [108]3 years ago
5 0
The answer is -21yz - 12.6z
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1.) 2.) -PLEASE ANSWER-
Misha Larkins [42]

Answer:

9/10

30%

Step-by-step explanation:

Only in trial number 4, there is just one correct answer. In all other 9 trials at least 2 answers were correct. So the probability is 9 out of 10 trials give a winning outcome, in short, 9/10.

Giving birth to three males first, is true in 3 out of 10 trials. You can count the total numbers of Y's in the last column.

So 3/10 which is 0.3 which is the same as 30%.

6 0
3 years ago
What is 2,200x in scientific notation?
strojnjashka [21]
Answer: 2.2x * 10^3
You would have to move the decimal place 3 times for 2.2x to get 2,200x, thus you get 10^3.

Hope this helps!

5 0
3 years ago
An eccentric philanthropist undertakes to give away $100,000. He is eccentric because he insists that each of his gifts be a num
gavmur [86]

Answer:

Step-by-step explanation:

An eccentric philanthropist undertakes to give away $100,000. He is eccentric because he insists that each of his gifts be a number of dollars that is a power of two, and he will give no more than one gift of any amount. How does he distribute the money?

To solve this problem, we will simply write 1,00,000 in base 2.

2^17 gives 131072, 2^16 gives 65536.

So, the first gift is 65536, we then need to repeat this process for  34,464 ((100,000-65536 = 34,464), to get all gifts in succession.

6 gifts in all: one each of $32, $128, $512, $1024, $32768, and $65536.

3 0
3 years ago
Maggie's brother is 11 years younger than three times her age. The sum of their ages is 41.
brilliants [131]

Answer:

Maggie is 13 years old.

Step-by-step explanation:

The explanation is attached.

3 0
2 years ago
Which is NOT a statistical question
Aneli [31]

Answer:

How many plates are on the table as it results in only one value with no variability

Step-by-step explanation:

8 0
3 years ago
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