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Oksi-84 [34.3K]
3 years ago
5

Find the 15th term of the geometric sequence 1, -4, 16, ...1,−4,16,

Mathematics
1 answer:
Rudiy273 years ago
4 0

Answer:

Doesn't look like a geometric sequence.

Step-by-step explanation:

If 1, -4, 16 keeps repeating then the answer is 16.

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Marc ordered a rug. He gave a deposit of 30% of the cost and will pay the rest when the rug is delivered. If the deposit was $75
ra1l [238]

Answer: Marc still owes $175

Step-by-step explanation:

Let x represent the cost of the rug.

Marc ordered a rug and gave a deposit of 30% of the cost and will pay the rest when the rug is delivered. This means that the amount of money that he deposited

for the rug is

30/100 × x = 0.3 × x = 0.3x

If the deposit was $75, it means that

0.3x = 75

x = 75/0.3 = 250

The cost of the rug is $250

The amount that Marc still owes would be

250 - 75 = $175

6 0
3 years ago
What is the value of u?<br><br> 6.4u−5.1u=−3.25<br><br> Enter your answer in the box.<br> u=
Ymorist [56]

6.4u-5.1u=-3.25 subtract

1.3u=-3.25  divide

u= -2.5

8 0
2 years ago
Read 2 more answers
49 ÷ 43 = sorry guys about the bad question its actually 4 to the 9th power divided by 4 to the third power
zalisa [80]
First of all, if you look at the question, you will notice that the two numbers involved are the same (that is; 4 and 4). However, there are two ways to solve this. But the easiest way is by using indices. In indices, whenever you are multiplying two numbers that are the same, the powers are added. And whenever you are dividing two numbers that are the same, the powers are subtracted. This is due to the fact that in indices, addition is related to multiplication and subtraction is related to division. An example is;
A⁵ × A³ = A⁽⁵⁺³⁾ =A⁸
A⁵ ÷ A³ = A⁽⁵⁻³⁾ =A²
  Anyway, over to the question now;
4⁹÷4³
4⁽⁹⁻³⁾
4⁽⁶⁾
  Therefore; 4×4×4×4×4×4=4096
So the answer is 4096. However, if you calculate 4⁹÷4³ on a calculator, you will still get 4096. Hope i helped. Have a nice day


5 0
3 years ago
Can someone please help me ASAP​
konstantin123 [22]

Answer:

x = 50

Step-by-step explanation:

Since MNP is a tangent to the circle at N, then

∠ ONP = 90° , so

∠ ONL = 90° - 55° = 35°

OL = ON ( both radii of the circle )

Thus Δ ONL is isosceles and the base angles are congruent

∠ OLN = ∠ ONL = 35°

JKLN is a cyclic quadrilateral whose opposite angles are supplementary, that is

∠KJN + ∠ KLN = 180 , substitute values

95 + 35 + x = 180

130 + x = 180 ( subtract 130 from both sides )

x = 50

4 0
2 years ago
Over a 10 year period, there were a total of 246 unprovoked shark bites in Florida. Assuming that shark bites occur at the same
Serggg [28]

Answer: Our required probability is 0.067.

Step-by-step explanation:

Since we have given that

Number of days in a year = 365

Number of years = 10

So, Number of days in 10 years = 365 × 10 = 3650

Number of unprovoked shark bites in Florida = 246

so, Probability that there will be at least one unprovoked shark bite on a given day is given by

\dfrac{246}{3650}\\\\=0.067

Hence, our required probability is 0.067.

7 0
3 years ago
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