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LUCKY_DIMON [66]
3 years ago
5

Write 84 as a product of primes.Use index notation where appropriate​

Mathematics
1 answer:
elena-s [515]3 years ago
3 0

Answer:

2 x 2 x 3 x 7

Step-by-step explanation:

2x2=4

4x3=12

12x7=84

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1/2+(-5/6)+1/4<br><br> -7/12<br> -1/12<br> 1/12<br> 1 7/12
Stells [14]

Answer:

-1/12

Step-by-step explanation:

3/6 + (-5/6) = -2/6

-2/6 = -4/12

1/4 = 3/12

-4/12 + 3/12 = -1/12

3 0
3 years ago
Coefficient of x^2 in the expansion of (x-3)^3
Mila [183]

Answer:

-9

Step-by-step explanation:

(x-3)(x-3)(x-3)

(x^2-6x+9)(x-3)

x^3-9x^2+27x-27

Therefore, the coefficient of x^2 is -9.

7 0
3 years ago
Read 2 more answers
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

#SPJ1

3 0
1 year ago
The a question is attached below
Stells [14]

Answer:

22.2m

Step-by-step explanation:

vol of a sphere = 4/3 x pi x r^3

vol of a hemisphere is 1/2 the vol of a sphere, so vol of a hemisphere= 2/3 x pi x r^3

2/3pi x r^3 = 257

Divide both sides by 2/3pi

r^3 = 122.708

Cube root both sides.

r = 11.077

Diameter is twice the radius, so diameter = 22.154m

To the nearest 10th of a meter this is 22.2m.

Hope I helped x

5 0
3 years ago
You use 6 gallons of water on 20 plants in your garden. At that rate, how much water will it take to water 30 plants?
Eddi Din [679]
9 because if you split the planta up into 10's, you would split the gallons into 3's. Thats 3 gallons per 10 plants
7 0
3 years ago
Read 2 more answers
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