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3 years ago

Kinda sorta maybe need some help ? this is on khan academy as well .

Mathematics

1 answer:

Anna11 [10]3 years ago

6 0

I’m pretty sure it’s -3 because when why is -2 not only can x=0 it can =-3

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Show the work of 6.2 +3.4

Musya8 [376]

Answer:

9.6

Step-by-step explanation:

When we are adding decimals we try 2 add them like normal integers, but in the end we add the decimal in the same place as it was in the beginning

so 62+34=96 and there's a decimal in the tenths place so its 9.6

8 0

3 years ago

The original price of a phone case is $12 the sale price is 75% of the original price what is the sale price of the phone case

svetoff [14.1K]

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Step-by-step explanation:

cgctcgfygyggt

4 0

2 years ago

The average distance from Venus to the Sun is 108,200,000 kilometers. Which of the following is the number expressed in scie

NISA [10]

Option C

ANSWER:

The scientific notation of 108200000 is $1.082 \times 10^{8}$ So the correct option is c.

SOLUTION:

Given,the average distance from Venus to the Sun is 108,200,000 kilometers.

We need to find the above given distance in the scientific notation.

Scientific notation is nothing but writing the large numbers as product of ten power something so that we can reduce space required to write that number.

Now, 108200000 can be written in scientific notation as:

= 10820000 x 10

$=1082000 \times 10^{2}$

$=108200 \times 10^{3}$

$=10820 \times 10^{4}$

$=1082 \times 10^{5}$

$=108.2 \times 10^{6}$

$=10.82 \times 10^{7}$

$=1.082 \times 10^{8}$

Hence the scientific notation of 108200000 is $1.082 \times 10^{8}$ So the correct option is c.

4 0

2 years ago

C)H2C = CH- CH3 + HBr -----> CH3 - CH - CH3 |

n200080 [17]

Not quite sure what this is

3 0

3 years ago

What are the r- values of the following data to three decimal places?

Olin [163]

Answer:

Option D. -0.901

Step-by-step explanation:

we know that

The correlation coefficient r measures the strength and direction of a linear relationship between two variables. The value of r is always between +1 and –1

Using a Excel tool (Correl function)

The value of coefficient r is -0.9006876

Round to three decimal places

r=-0.901

see the table attached

7 0

2 years ago