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ss7ja [257]
3 years ago
7

(3)(0.2)+9 help please

Mathematics
2 answers:
VMariaS [17]3 years ago
8 0

Answer:

9.6

Step-by-step explanation:

bazaltina [42]3 years ago
7 0

Answer:

9.6

Step-by-step explanation:

1) Simplify 3 × 0.2 to 0.6.

0.6 + 9

2) Simplify.

9.6

Hence, the answer is 9.6

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Write explicit formula for a1=3, r=-2; then generate 1st 5 terms
Crazy boy [7]

Answer:

  • an = 3(-2)^(n-1)
  • 3, -6, 12, -24, 48

Step-by-step explanation:

These variable names, a1, r, are commonly used in relationship to geometric sequences. We assume you want the terms of a geometric sequence with these characteristics.

a1 is the first term. r is the ratio between terms, so is the factor to find the next term from the previous one.

  a1 = 3  (given)

  a2 = a1×r = 3×(-2) = -6

  a3 = a2×r = (-6)(-2) = 12

  a4 = a3×r = (12)(-2) = -24

  a5 = a4×r = (-24)(-2) = 48

The first 5 terms are 3, -6, 12, -24, 48.

__

The explicit formula for the terms of a geometric sequence is ...

  an = a1×r^(n -1)

Using the given values of a1 and r, the explicit formula for this sequence is ...

  an = 3(-2)^(n -1)

6 0
3 years ago
Please help last question
Artyom0805 [142]

so I think 37\12 is the answer to this question

7 0
3 years ago
Read 2 more answers
Como puedo poner 2 3/5 en decimal​
Alex73 [517]

When turning a fraction into a decimal, any whole numbers comes before the "." and the fraction will become after the ".".

To make it simple, turn the fraction into a "over 100" fraction to make it easier.

Multiple both numeriator and denominator by a specific number, to turn the denominator into a 100. You must times the numeriator as well since your changing the denominator.

100 / 5 = 20

So now, multiple both sides of the fraction by 20.

3 x 20 = 60

5 x 20 = 100

2 60/100

Now, put the whole number in front of the decimal symbol.

2.___

Now, take the numeriator and put it behind the decimal symbol.

2.60

So, when turning 2 3/5 into a decimal, it is 2.60.

8 0
3 years ago
A CD is shaped like a circle with a diameter of 12 cm. To the nearest centimeter, what is the circumference of the CD?
emmainna [20.7K]

Answer:

38 cm

Step-by-step explanation:

Circumference is given by

C = pi *d

C = pi *12

C = 3.14 * 12

C=37.68

Rounding to the nearest cm

C = 38

4 0
3 years ago
Read 2 more answers
A person runs 1/2 miles in 1/14 hour. What is the persons speed miles per hour.
Svetradugi [14.3K]

Answer:

The persons speed is 7 miles per hour.

6 0
3 years ago
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