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raketka [301]
2 years ago
9

Dr. Washington makes 87 greeting cards to sell at the Fall Dance. She sells the cards in packs of

Mathematics
1 answer:
Andrej [43]2 years ago
4 0

9514 1404 393

Answer:

  8

Step-by-step explanation:

The number of packets of 10 will be the same as the tens digit in the number 87: 8.

Dr. Washington can make 8 full packets of cards.

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Convert the following to scientific notation: 5050​
ozzi

Answer:

5.05*10³

Step-by-step explanation:

  • <em>Put the decimal after the first digit and drop the zeroes. To find the exponent count the number of places from the decimal to the end of the number.</em>
  • 5050​ = 5.05 *1000 = 5.05*10³
5 0
3 years ago
Nik, a social worker for a county, helps county residents who are struggling with different issues. Nik logs the following hours
True [87]

Answer:

B

Step-by-step explanation:

The question is:

<em>What percent of time did Nik spend with clients on Thursday? </em>

<em>a. 10% </em>

<em>b. 70% </em>

<em>c. 30 % </em>

<em>d. 80%</em>

<em />

<u>Solution:</u>

c means client meetings and o means other work.

The hours are shown in the table.

We want % of time on Thursday that he spent on clients.

In Thursday:

7c and 3o

Means 7 hours with clients and 3 hours with office work.

Total time spent = 7 + 3 =  10 hours

Client time spent = 7 hours

% time spent with clients on Thursday: 7/10 = 0.7 * 100 = <u>70%</u>

<u>Answer choice B is right.</u>

6 0
3 years ago
No one helping me ahaahshshahahhaAHHHHHHHHHHHH
rodikova [14]

Answer:

its the blue triangle...not 100% the question tho

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
PLEASE HELP!!
olga_2 [115]

The value of a = 2.17 and b = 1.95.

<h3>What is regression line?</h3>

A regression line is a graphic representation of the regression equation expressing the hypothesized relationship between an outcome or dependent variable and one or more predictors or independent variables;

y=2.01*1.93^{x}

Correlation:

r=0.964

R-squared:

r²=0.9292

Hence, value of a and b is 2.17 and 1.95.

learn more about regression line here:

brainly.com/question/11340674

#SPJ1

8 0
2 years ago
Xx squared - XY + x squared - xy ​
EastWind [94]

Answer and Step-by-step explanation:

x^{2} - xy + x^{2} -xy\\\\2x^{2} -2xy

This is the answer.

4 0
3 years ago
Read 2 more answers
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