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zloy xaker [14]
2 years ago
6

78 thousands = 7,800 ones. True or false

Mathematics
2 answers:
m_a_m_a [10]2 years ago
7 0

Answer:

FALSE

Step-by-step explanation:

78 thousands = 78 x 1000 = 78,000

Neporo4naja [7]2 years ago
7 0

Answer:false

Step-by-step explanation:

78,000 is 78 thousands

7,800 is only 7 thousand and 8 hundred

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Answer:

B. A sample in which the subjects themselves decide whether to be included in the study.

Step-by-step explanation:

In other words a voluntary response sample is a sample made up of volunteers o people who choose to be inlcuded.

5 0
3 years ago
What are the coordinates of the roots of the equation x sqaured + 4x + 3= 0
scZoUnD [109]

Answer:

a

x

2

+

b

x

+

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the formula for the roots is

x

=

−

b

±

√

b

2

−

4

a

c

2

a

(

1

)

Identify the values for

a

,

b

,

&

c

x

2

+

4

x

+

3

=

0

cmp

a

x

2

+

b

x

+

c

=

0

a

=

1

b

=

4

c

=

3

(

2

)

Substitute these numbers into eh formula

x

=

−

4

±

√

4

2

−

(

4

×

1

×

3

)

2

×

1

(

3

)

Carefully proceed and do the calculations

x

=

−

4

±

√

16

−

12

2

x

=

−

4

±

√

4

2

x

=

−

4

±

2

2

now calculate the two separate solutions

x

1

=

−

4

+

2

2

=

−

2

2

=

−

1

x

2

=

−

4

−

2

2

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3

Answer link

Step-by-step explanation:

8 0
2 years ago
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8 0
3 years ago
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|2x-3|=2 please answer this by Wednesday. I have no idea how to solve this. I wasn't paying attention
Sholpan [36]

Answer:

x=2.5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Will u help me?
sergey [27]

Answer:

Charles practiced for the relay race for D. 9 hours last week.

Step-by-step explanation:

First, I would find the ratios the ratios for converting hurdle to javelin and javelin to relay.

Hurdle : Javelin ; 5 : 1.5

Javelin : Relay ; 2.5 : 5 or  1 : 2

Next, find the factors compared to the original numbers for hurdle to javelin.

15 / 5 = 3

To find the amount of javelin time they did, multiply 1.5 by the factor we got, 3.

1.5 * 3 = 4.5

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4.5 * 2 = 9 hours

3 0
3 years ago
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