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3 years ago

Choose the option(s) that correctly complete each statement.

Mathematics

2 answers:

viva [34]3 years ago

5 0

1. if two planes intersect, then their intersection is a line

2. Space contains at least four points not all on one plane.

3. Through any two different points, exactly one line exists

i dont under stand number 4 but ur welcome

Korolek [52]3 years ago

4 0

Answer:

look on quizlet and go to Geometry chapter 2 flashcards.

Step-by-step explanation:

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Which expression or value is equivalent to (8+2i)(8−2i)?

nevsk [136]

This factors to 64 - 4i^2
64 + 4

68 is the answer

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4 years ago

Which ratio is equal to 3:5? A. 12:25 B. 12:20 cal 15:20 OD. 12:15

harina [27]

Answer: B

Step-by-step explanation: If you multipley both 3 and 5 by the same number 4 you get the ratio 12:20

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3 years ago

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Which numbers are located between 3.8 and 4.0

Sav [38]

Answer:

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4 years ago

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here is an inequality 2x + 5 > 50 explain the steps you would use to solve the equation for x what would the graph look like

Hatshy [7]

Answer:

$x>22.5$

Step-by-step explanation:

Given linear inequality:

$2x+5>50$

Solving for $x$

Subtracting both sides by 5.

$2x+5-5>50-5$

$2x>45$

Dividing both sides by 2.

$\frac{2x}{2}>\frac{45}{2}$

∴ $x>22.5$

The graph of the inequality is shown below.

The line is represented by dotted line because the inequality sign is only greater than which means 22.5 is not included in the solution.

3 0

3 years ago

Jodi infested 4400 less in account paying 4% simple interest then she did in the account paying 2% simple interest. at the end o

Phoenix [80]

9514 1404 393

Answer:

$8400 at 4%
$12800 at 2%

Step-by-step explanation:

Let x represent the amount Jodi invested at 4%. Then x+4400 is the amount she invested at 2%. Her total interest is ...

0.04x + 0.02(x +4400) = 592

0.06x +88 = 592

0.06x = 504

x = 8400

x +4400 = 12,800

Jodi invested $8,400 at 4% and $12,800 at 2%.

3 0

3 years ago