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4 years ago

Which fraction is equivalent to 6/9ths A.18/36B.3/4C.12/18D.1/3

Mathematics

2 answers:

Rom4ik [11]4 years ago

6 0

The correct answer is c because if you divide 12/18 by 2 you will get 6/9.

liubo4ka [24]4 years ago

5 0

$\frac{6}{9} = \frac{6\cdot2}{9\cdot2} = \frac{12}{18} \ \ \ \Rightarrow\ \ \ Ans.\ C$

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The difference of a number and 6 is the same as 5 times the sum of the number and 2. What is the number?

S_A_V [24]

Step-by-step explanation:

Lets consider the unknown number as x

according to the question,

6-x= 5(x+2)

6-x= 5x+10

-x-5x=10-6

-6x=4

x=4/-6= 2/-3

x= -2/3

<em>hope this helps </em>

<em>please mark me as brainliest.</em>

6 0

3 years ago

Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was

Marizza181 [45]

Answer:

The raw score for his exam grade is 99.69.

Step-by-step explanation:

Given : The professor announced that the mean for the class final exam was 88 with a standard deviation of 7. Given Daniel's z score of 1.67.

To find : What is the raw score for his exam grade?

Solution :

The formula use to find the z-score is

$z=\dfrac{x-\mu}{\sigma}$

Where, z=1.67 is the z-score

$\mu=88$ is the means

$\sigma=7$ is the standard deviation

x is the raw score for his exam grade

Substitute the values,

$1.67=\dfrac{x-88}{7}$

$1.67\times 7=x-88$

$11.69=x-88$

$x=88+11.69$

$x=99.69$

Therefore, the raw score for his exam grade is 99.69.

7 0

3 years ago

I have two questions

Montano1993 [528]

1.) 1/9, 2/18, 3/27
2.) 6/10, 12/20, 9/15

5 0

3 years ago

What is the scale factor?

Sever21 [200]

Answer:

I think the scale factor is 2 because 12 divided by 6 is 2.

8 0

3 years ago

1. The snow pack on Mt. Hood in the Oregon Cascades was 150 inches on

Damm [24]

Answer:

The rate of change is 10%

Step-by-step explanation:

The computation of the rate of change is as follows:

Given that as on Jan 15, the snow pack is 150 inches

And, the last year, it would decrease by 11 inches a week after jan 15

So, the rate of change is

= 15 ÷ 150

= 10%

8 0

3 years ago