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boyakko [2]
3 years ago
12

Find the twenty-fifth term of an= (-1)^n

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0

Answer: -1

Step-by-step explanation: plug in 25 into (-1)^n

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Find the volume and surface area of the earth if its circumference is 40 000 km
inn [45]

Answer:

volume = 3.24× 10 ∧12, SA = 5.09 × 10 ∧8

Step-by-step explanation:

Check attachment

8 0
3 years ago
Find the value of 8/15×2/13 Although these numbers aren't quite as nice as the ones from the example, the procedure is the same,
xz_007 [3.2K]

Answer:

\frac{16}{195}

Step-by-step explanation:

To obtain the result of a fractions multiplication we need to multiply both numerators and the divide by the multiplication of the denomitators. In general, given a,b,c,d real numbers with b and d not zero, we have that

\frac{a}{b}*\frac{c}{d}=\frac{a*c}{b*d}

Substituting a,b,c and d for 8,15,2 and 13 we obtain that

\frac{8}{15}* \frac{2}{13} =\frac{16}{195}

3 0
3 years ago
Explain why y = 3x IS an exponential function and y = x3 is NOT an exponential function.
arlik [135]
Because y=3x has a coefficient of 3 and y=x3 does not have a coefficient because the variable is the first terms. therefore it is not an exponential function.
8 0
2 years ago
A road sign is in the shape of a regular pentagon. What is the measure of each angle on the sign? Round to the nearest tenth. Se
dangina [55]

Answer:

Option D) 108 degrees

Step-by-step explanation:

We are given the following in the question:

A regular pentagon.

Thus, all the angles of the pentagon are equal.

Angle sum property of pentagon:

  • In a pentagon, the sum of all the interior angle of a pentagon is 540 degrees.

Measure of each angle =

=\dfrac{\text{Measure of angle}}{\text{Number of angle}} = \dfrac{540}{5} = 108^\circ

Thus, the measure of each angle on the sign is 108 degrees.

Option D) 108 degrees

6 0
2 years ago
What are the two binomials for the expression x(x + 3) + 3(x + 3)?
Alja [10]

Answer:

5

Step-by-step explanation:

6 0
3 years ago
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