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Veronika [31]
2 years ago
8

Which of the following illustrates the truth value of the given statements? A square root of 16 is 4, and the only square root o

f 9 is -3.
T F → F
T T → T
F T → F
F F → F

The intersection of two planes is a point, and two lines intersect in a point.

T T → T
F T → F
T F → F
F F → F

The alphabet has 28 letters, and a week has seven days.

T T → T
T F → F
F F → F
F T → F
Mathematics
2 answers:
Gwar [14]2 years ago
7 0
TF ...F
FT ...F
FT ...F

STALIN [3.7K]2 years ago
4 0

The first one is TF --> F

The Second one is TT --> T

The Third one is FT --> F

I just took a lesson on this so I hope this helps!

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The smiths bought an apartment for $75,000. assuming that the value of the apartment will appreciate at most 4% a year, how many
DedPeter [7]

Answer:

1st year is $75,000 * 0.04 = $3,000 $75,000+$3,000=$78,000

Step-by-step explanation:

6 0
3 years ago
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Harrizon [31]
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5 0
2 years ago
I need help on it, I don’t know what I’m supposed to do
bogdanovich [222]

Answer:

The length of river frontage for each lot are 96.55 ft. 98.85 ft, 101.15 ft and 103.45 ft.

Step-by-step explanation:

See the attached diagram.

The river frontage of 400 ft will be divided into 84 : 86 : 88 : 90 for each lot as AP, BQ, CR, DS and ET all are parallel.

Therefore, PQ : QR : RS : ST = 84 : 86 : 88 : 90 = 42 : 43 : 44 : 45

Let, PQ = 42x, QR = 43x, RS = 44x and ST = 45x

So, (42x + 43x + 44x + 45x) = 400

⇒ 175x = 400

⇒ x = 2.2988.

So, PQ = 42x = 96.55 ft.

QR = 43x = 98.85 ft.

RS = 44x = 101.15 ft and  

ST = 45x = 103.45 ft

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6 0
3 years ago
What is the average speed for the interval t=1 hour to t=3 hours
inysia [295]

Answer:

7.5 miles per hour

Step-by-step explanation:

Average speed over the interval [1, 3] = (distance at 3 hrs -distance at 1 hr)/(3 hrs - 1 hr)

From the graph:

Distance at 3 hrs = 30 => (3, 30)

Distance at 1 hr = 15 => (1, 15)

Average speed = (30 - 15)/(3 - 1)

Average speed = 15/2

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Therefore, average speed = 7.5 miles per hour

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2 years ago
How can you choose values for x when making a table of values representing a real world situation?
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