2 years ago

Which equation is equivalent to y/a=b

Mathematics

1 answer:

rewona [7]2 years ago

4 0

The correct answer is the second option (b)

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9x1/10+6x1/100+4x1/1,000 how can this measurement be written as a decimal

omeli [17]

The above equation can be written as
$\frac{9}{10} + \frac{6}{100} + \frac{4}{1000}$
Then make all the denominators the same
$\frac{900}{1000} + \frac{60}{1000} + \frac{4}{1000} = \frac{964}{1000}$
964/1000 = 0.964

8 0

3 years ago

"Seven less than a number, divided by 5, is -2." Can you turn it into a equation please??

Xelga [282]

Answer:

Seven less than a number, divided by 5, is -2." Can you turn it into a equation please??

let the number be x

x-7/5= -2

x-7= -10

x= -10+7

x= -3

Step-by-step explanation:

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3 years ago

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N76 [4]

Answer:

y=70x+260

y=82x

Step-by-step explanation:

3 0

3 years ago

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suris age is 4 less than 3 times her cousins age. suri is 17 years old. which method can be used to find c, her cousins age?

Vlad [161]

The answer is: D
You have 3c (3 times her cousins age) -4 (4 less than)

3 0

3 years ago

A sales analyst listed the probabilities of profits and losses in dollars for a certain company. Find the mean for the probabili

kakasveta [241]

Answer: The mean for the probability distribution will be 69.25.

Explanation:

Since we given that

$At\ x_1= -500 ,P(x) = 0.076\\$

$At\ x_2= -250,P(x)= 0.191\\$

$At\ x_3=0, P(x)= 0.265\\$

$At\ x_4=250 , P(x)= 0.316\\$

$At\ x_5=500 , P(x)= 0.152\\$

As we know the formula for expectation of x i.e. known as mean for the probability distribution,

$E(x)=x\sum_{1}^{5} P(x)$

So, we apply this formula in our case,

$-500\times 0.076+(-250)\times 0.191+0\times 0.265+250\times 0.316+500\times 0.512=69.25$

$\mu = 69.25$

Hence, the mean for the probability distribution will be 69.25.

4 0

3 years ago

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