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antoniya [11.8K]
3 years ago
8

What’s the area of the semi circle

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0

14.18 because you do pi times the radius squared and divide it by 2.

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Which equation can be used to find 150 percent of 500?
blondinia [14]

Answer:

Use the scores in the box. What is the range?

a list of test scores

25

24

17

13

Step-by-step explanation:

5 0
2 years ago
What change(s) should Sylvia make to the equation to find the value of t in the above scenario?
finlep [7]

Answer:

Option (D).

Step-by-step explanation:

Initial population of the deer P_{0} = 4800

Decrease in the population of the deer after every 8 years = \frac{1}{2}\times (\text{Initial population})

Decrease in population is an exponential process, so the expression representing population will be,

P_{t}=P_{0}(1-r)^x

Where P_{t} is the population after 'x' slots of 8 years.

r = fraction of decrease in the population

x = \frac{\text{Number of years}}{8}

By substituting the values of r and x in the expression,

P_{t}=P_{0}(1-\frac{1}{2})^{\frac{t}{8}}

P_{t}=4800(\frac{1}{2})^{\frac{t}{8}}

Therefore, Sylvia should do few corrections in her expression.

(8) should be replaced by (\frac{1}{2}) and \frac{t}{2} should be replaced by \frac{t}{8}.

Option D. will be the answer.

5 0
2 years ago
Find the length of ST In the kite.
kifflom [539]

Answer:

1.29

Step-by-step explanation:

The diagonals of a kite are perpendicular.

Angles QRT and SRT are congruent.

In right triangle STR, for angle TRS, ST is the opposite leg, and SR is the hypotenuse. The sine ratio relates the opposite leg to the hypotenuse, so we use the sine ratio to find the length of segment ST.

sin <TRS = opp/hyp

sin <TRS = ST/SR

sin 23 deg = ST/3.3

ST = 3.3 * sin 23 deg

ST = 1.29

5 0
2 years ago
How do i answer this??
tatyana61 [14]

Answer:

y=29

Step-by-step explanation:

if x=5. 5x5+4. 5x5=25. 25+4=29

8 0
2 years ago
Read 2 more answers
Question 11
PtichkaEL [24]

Answer:

65%

Step-by-step explanation:

5 0
3 years ago
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