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blondinia [14]
3 years ago
10

Between 20 and 28 students signed up for the chess club. The students could not be divided exactly into groups of 2,3,4 or 5. Ho

w many students signed up for the chess club? Show your work.
Mathematics
1 answer:
Artemon [7]3 years ago
8 0
23

Those are not the answer: 
1) 20 - can be divided by 2
2) 21 - can be divided by 3
3) 22 - can be divided by 2
4) 24 - can be divided by 2 and 4.
5) 25 - can be divided by 5
6) 26 - can be divided by 2
7) 27 - can be divided by 3
8) 28 - can be divided by 2 and 4
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Statements 1 and 2 are true conditional statements.
WARRIOR [948]

The valid conclusion about statement A and statement B is "If Figure A is a parallelogram, then Figure A’s angles sum to 360°".

The correct answer option is option D.

<h3>What is conditional statement?</h3>

A conditional statement can be defined a statement that is written in the form “If A then B,” where A and B are sentences.

For this conditional statement:

Sentence A is called the hypothesis

Sentence B is called the conclusion.

Hypothesis: This is an assumption taken to be true for the purpose of argument or investigation.

Conclusion: This is the proposition that follows as a necessary consequence of the premises in an argument or syllogism.

Hence, “If A then B” means that B must be true whenever A is true.

Therefore, if a figure is a parallelogram, then it is a quadrilateral; If a figure is a quadrilateral, then its angles sum to 360°.

It can be concluded that if a figure is a parallelogram, then it's angles must sum to 360°.

Read more on conditional statement:

brainly.com/question/11073037

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3 0
1 year ago
What is the volume and surface area of this
Norma-Jean [14]

Answer:

V= 240 sq cm

A= 268 sq cm

Step-by-step explanation:

V= l * w * h

V= 10 * 8 * 3

V= 240 sq cm

A=2(wl+hl+hw)

A=2(8*10 + 3*10 + 3*8)

A= 268 sq cm

5 0
3 years ago
Read 2 more answers
How many tablets should a 39 kg patient take every four hours?
PolarNik [594]
50 mg/kg/day x 34 kg = 1700 mg/day
1700 mg/day x 1 day/24 hrs x 4 hrs = 283 mg every 4 hrs

283 mg/4hrs x 1 tablet/400 mg = 0.7 tablets

So to acieve the desired dose, the pati should take seven tenths of a tablet every 4 hours. Thats an unusual dosage since it’s difficult to take 0.7 tablet. The question didnt ask about the liquid suspension so I didn’t include that.
4 0
3 years ago
The area of a square is 4x^2+28x+49. What expression represents the length of each side of the square?
kipiarov [429]

Answer:4x^2 +28x +49=(2x +7)^2

Step-by-step explanation:

a2±2ab+b2=(a±b)2

In this case

a=2x and b=7 ...

4x2+28x+49=(2x)2+(2⋅

(2x)⋅

7)+72=(2x+7)2

7 0
3 years ago
Here is the histogram of a data distribution.<br><br> What is the shape of this distribution?
Marrrta [24]

Answer:

c

Step-by-step explanation:

8 0
4 years ago
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