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rodikova [14]
1 year ago
12

21x21 I need real help with this.Really struggling ;)

Mathematics
1 answer:
Roman55 [17]1 year ago
5 0

Answer: Human calculator says 21 x 21 = 441!

Good Luck!

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54 is greater than 45
Alinara [238K]
Yes 54 is greater then 45! 
3 0
3 years ago
Read 2 more answers
Colin and Brian were playing darts. Colin scored 139 Brian scored 53 more than Colin. What was their combined score?
Inga [223]

Answer

Their combined score is 331 points

Explanation

Determine each person's score

Collin score: 139

Brian: 139 + 53 = 192

Add the scores together

139 + 192 = 331

5 0
3 years ago
Which of the following situations can be described by the equation 2x – 4 = 10?
chubhunter [2.5K]

Step-by-step explanation:

Add 44 to both sides.

2x=10+4

2x=10+4

2 Simplify 10+410+4 to 1414.

2x=14

2x=14

3 Divide both sides by 22.

x=\frac{14}{2}

x=

2

14

4 Simplify \frac{14}{2}

2

14

to 77.

x=7

x=7

Done

8 0
3 years ago
University officials say that at least 70% of the voting student population supports a fee increase. If the 95% confidence inter
yanalaym [24]

Answer:

We are 95% sure that the true proportion of students that supports a fee increase is between 0.75 and 0.85.

Step-by-step explanation:

The interpretation of a  x% confidence interval of proportions being between a and b is that:

We are x% sure that the true proportion of the population is between a and b.

If the 95% confidence interval estimating the proportion of students supporting the fee increase is (0.75; 0.85), what conclusion can be drawn

We are 95% sure that the true proportion of students that supports a fee increase is between 0.75 and 0.85.

3 0
3 years ago
IMPORTANT PLEASE HELP WILL GIVE BRAINLIEST<br><br> Table tennis question
alexandr1967 [171]
The correct answer is true, hope this helps!
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3 years ago
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