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Neko [114]
3 years ago
6

How are multiplying whole numbers and multiplying decimals similar and different

Mathematics
2 answers:
levacccp [35]3 years ago
7 0

Answer:

They are different because multiplying whole numbers: you get a whole number ex: 3 x 7 = 21

Multiplying decimals: you get a whole and part of a whole ex: 12.39 x 2.5 = 30.975

Step-by-step explanation:

olga_2 [115]3 years ago
3 0

Answer:

Multiplying decimals is very much like multiplying whole numbers - the major difference is that after you have finished multiplying all the terms (while ignoring the decimal points), you have to add up how many decimal places there are in the factors, and put that many decimal places in the answer.

Step-by-step explanation:

1.multiply by the number in the ones place

2.but a zero below in the ones place to holds its place

3.multiply the number in the tenths place

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3 years ago
Jovan has $14,000 in a savings account. The savings collect interest at a 7% annual rate that compounds every year. How much mon
wel

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sorry 98928

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8 0
2 years ago
Write the equation of the line that passes through (3, 4) and (2, −1) in slope-intercept form.
lys-0071 [83]

Answer:

5

Step-by-step explanation:

Slope equation is (y2-y1)/(x2-x1)

(-1-4)/(2-3)

-5/-1

5

6 0
3 years ago
Can the measurement from △DEF be determined using only the Law of Cosines? State whether each measurement can be determined usin
quester [9]

9514 1404 393

Answer:

  • ∠D - no
  • ∠E - no
  • DE - yes

Step-by-step explanation:

With a single application of the Law of Cosines, you can only find one of an unknown side or an unknown angle. The other three elements in the 4-variable equation must be specified.

However, a single application of the LoC can be used to find DE. Then, knowing the three sides, either of the unknown angles can be found from an additional application of the LoC.

So, the answer is "it depends." It is yes to all if finding DE first is allowed. It is "no" to the angles if they must be found without finding DE first.

7 0
3 years ago
Consider a geometric sequence with a first term of 4 and a fourth term of -2.916.
Orlov [11]

Answer:

a) Find the common ratio of this sequence.

Answer: -0.82

b) Find the sum to infinity of this sequence.

Answer: 2.2

Step-by-step explanation:

nth term in geometric series is given by 4\ th \ term = ar^n-1\\-2.196 = 4r^{4-1} \\-2.196/4 = r^{3} \\r = \sqrt[3]{0.549} \\r = 0.82

where

a is the first term

r is the common ratio and

n is the nth term

_________________________________

given

a = 4

4th term = -2.196

let

common ratio of this sequence. be r

4\ th \ term = ar^n-1\\-2.196 = 4r^{4-1} \\-2.196/4 = r^{3} \\r = \sqrt[3]{-0.549} \\r = -0.82

a) Find the common ratio of this sequence.

answer: -0.82

sum of infinity of geometric sequence is given by = a/(1-r)

thus,

sum to infinity of this sequence = 4/(1-(-0.82) = 4/1.82 = 2.2

4 0
3 years ago
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