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2 years ago

Please help....title of the work assignment...WHERE DOES THE DECIMAL GO USING ESTIMATION WHEN DIVIDING DECIMALS.....

Mathematics

1 answer:

ycow [4]2 years ago

5 0

The correct equation of 146 ÷ 7 = 20857 is 146.0 ÷ 7.0 = 20.857

<h3>How to divide the decimals?</h3>

The equation is given as:

146 ÷ 7 = 20857

The above equation is wrong.

The equation can be rewritten as:

146.0 ÷ 7.0 = 20857

The significant digits in 146.0 and 7.0 are 3 and 1, respectively.

3 - 1 = 2

This means that

So, the decimal place in the result must be after the second digit.

So, we have:

146.0 ÷ 7.0 = 20.857

Using the above highlights, we have:

146 ÷ 0.7 = 208.57

1.46 ÷ 7 = 0.20857

14.6 ÷ 0.7 = 20.857

1460 ÷ 70 = 20.857

The reasoning behind the above equations is that the decimal position in the results is dependent on the decimal positions in the dividend and divisor

Read more about dividing decimals at:

brainly.com/question/311920

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WILL AWARD A MEDAL AND FIVE STARS!!!!

ycow [4]

Hello,

f(x)-2x-7

g(x)=-4x+3

(fog)(x)=f(g(x))=f(-4x+3)=-2(-4x+3)-7=8x-6-7=8x-13

(fog)(-5)=8*(-5)-13=-53

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3 years ago

EMERGENCY (NEED HEP NOW!!!)

diamong [38]

Answer:

x=-2.25,y=-2.25

Step-by-step explanation:

The given system is

$4x - y = - 9 \\ 3x - 3y = 0$

We want to solve the system for x and y that makes the system true.

Let us multiply the first equation by 3 while maintaining the second equation:

$12x -3 y = - 27 \\ 3x - 3y = 0$

Subtract the current second equation from the first one.

$12x = - 27$

Divide through by 12:

$x = - \frac{27}{12} = - 2.25$

From the second equation we have:

$3x = 3y$

This implies that:

$x = y = - 2.25$

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4 years ago

Write a definition of your choice. Then write the definition as a biconditional.

igomit [66]

Answer:

Biconditional statements do not use the key words 'if' and 'then. ' Biconditional statements are true statements that combine the hypothesis and the conclusion with the key words 'if and only if. ' For example, the statement will take this form: (hypothesis) if and only if (conclusion).

Step-by-step explanation:

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3 years ago

I need to solve this expression

insens350 [35]

Hello,

(-9)⁴= (-9).(-9).(-9).(-9)= 81.81 = 6561

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3 years ago

Topic/Objective: Function Applications pp. 228-252

e-lub [12.9K]

Graphing them and see what the difference is

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3 years ago