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densk [106]
3 years ago
9

Please Help!

Mathematics
1 answer:
Lerok [7]3 years ago
4 0

Answer:

See below

Step-by-step explanation:

  • <em>Bi-conditionals are represented by the symbol ↔ or ⇔ </em>
  • <em> p↔q means that p→q and q→p </em>

<u>Bi-conditional statement:</u>

  • A rectangle is a square if and only if all four sides of the rectangle have equal length.

<u> The associated conditional statements are: </u>

  • a) If all sides of a rectangle are equal then it is a square.
  • b) If a rectangle is a square then all sides have equal length.
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Which is the correct simplified version of the expression -7(2x-3)
satela [25.4K]

A. -14x+21

because -7 times 2x is -14x and -7 times -3 is 21

7 0
3 years ago
Melissa collected data from a group of people regarding whether or not they prefer turkey or ham and whether or not they prefer
dedylja [7]

Answer:

I’m pretty sure it’s B)- Z

Step-by-step explanation:

18. The correct table must display the following information.

38% prefer turkey with mayonnaise 20% prefer turkey with mustard 24% prefer ham with mayonnaise 18% prefer ham with mustard

In tables Z and W, each table totals 50 people.

To find the relative frequencies of the data in these tables, divide each number in the table by 50.

In tables X and Y, each table totals 100 people.

To find the relative frequencies of the data in these tables, divide each number in the table by 100.

The only table which is a possible representation of the data collected is table Z.

Likes Baseball

Does Not Like Baseball

Total

Likes Football Does Not Total Like Football

0.50 0.64 0.54

0.50 0.36 0.46 1.00 1.00 1.00

Mayonnaise Mustard

Total

Turkey

19 ÷ 50 = 0.38

10 ÷ 50 = 0.20

29 ÷ 50 = 0.58

Ham

12 ÷ 50 = 0.24

9 ÷ 50 = 0.18

21 ÷ 50 = 0.42

Total

31 ÷ 50 = 0.62

19 ÷ 50 = 0.38

50 ÷ 50 =1.00

3 0
3 years ago
PLZ HELP ME What shape is this cross-section?
Irina18 [472]

Answer:

i'm not sure if i'm right but think is cube

6 0
3 years ago
Leah has a 20% off coupon for a sports store. There is a tennis racket that is available at a discount of 10%. The store applies
Art [367]

Answer:the orginal price of the tennis racket is $47

Step-by-step explanation:

Let x represent the original price of the tennis racket at the sports store.

Leah has a 20% off coupon for the sports store. The tennis racket is available at a discount of 10%.

The store applies the coupon after the 10% is taken. The value of the discount on the original price of the tennis racket would be

10/100 × x = 0.1 × x = $0.1x

The discounted price of the racket would be

x - 0.1x = 0.9x

The value of the coupon would be

20/100 × 0.9x = 0.2 × 0.9x = 0.18x

The selling price after the coupon was applied would be

0.9x - 0.18x = 0.72x

She buys the racket for $34. This means that

0.72x = 34

x = 34/0.72 = $47

3 0
3 years ago
Solve
skelet666 [1.2K]

Answer:

-7

12

10.54

-8

Step-by-step explanation:

7 0
3 years ago
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