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Irina18 [472]
3 years ago
10

Use words to write 521,000,000,000​

Mathematics
1 answer:
kotykmax [81]3 years ago
7 0

five hundred twenty-one billion

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Jack is 4 times as old as lacy. 4 years ago the sum of their ages was 22. How old are they now
r-ruslan [8.4K]

4 x 22 =?

the question mark is how old they'll be.

3 0
4 years ago
Guidance counselors in a school would like to determine whether studying Latin helps students achieve higher scores on the verba
mojhsa [17]

Answer:

Step-by-step explanation:

1. This paragraph describes an observational study.

It is not a controlled experiment because the guidance counselors didn't plan to separate the students into 2 groups and then observe the results. They instead checked records.

2. The students who took Latin are the treatment group.

3. The fact that students decided on their own to take Latin is a confounding factor.

4. The students who did not take Latin are the placebo or control group.

4 0
4 years ago
In a class room 3/10 of the students are wearing blue shirts and 3/5 are wearing white shirts there are 20 students In The class
shtirl [24]

Total number of students in the class = 36

Number of students wearing blue shirts = (1/6) * 36

                                                                = 36/6

                                                                = 6

Number of students wearing white shirts = (2/3) * 36

                                                                 = 2 * 12

                                                                 = 24

Then

Number of students not wearing blue or white shirts in the class = 36 - (6 + 24)

                                                                                                       = 36 - 30

                                                                                                       = 6

So 6 students in the class are wearing a shirt other than a blue or a white shirt. I hope the procedure is clear enough for you to understand.

5 0
3 years ago
For two functions, m(x) and p(x), a statement is made that m(x) = p(x) at x = 7. What is definitely true about x = 7? (2 points)
Virty [35]
<span>A)Both m(x) and p(x) cross the x-axis at 7.
B)Both m(x) and p(x) cross the y-axis at 7.
C)Both m(x) and p(x) have the same output value at x = 7.
D)Both m(x) and p(x) have a maximum or minimum value at x = 7.

m(x) = p(x) at x = 7
</span><span>
True statement about x = 7. 
C)Both m(x) and p(x) have the same output value at x = 7. </span><span>

</span>
7 0
4 years ago
Read 2 more answers
on a bookshelf there are 5 paperback books and 3 hardcover books is the ratio of books to hardcover books 5:3 explain
Lana71 [14]

Answer: no

Step-by-step explanation: because overall there’s isn't a total of 5 books, 5 books is how many paperback books you have

6 0
4 years ago
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