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Goshia [24]
3 years ago
15

Write a linear equation for slope: 0; y-intercept: -8

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0

Answer:

x = -8

Step-by-step explanation:

Since there is no slope, there is no need for a y variable to appear in your final equation. The graph will cross y = -8 horizontally. So therefore, x = -8

This is a pretty short explanation, but there's not too much to it. Hope this helped :)

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Complete the table by converting each decimal to a fraction. Show your work. Repeating decimals. 0.2, 0.5, 0.7
Helga [31]

<u>Answers </u>

Part 1 = 2/9


Part 2 =5/9


Part 3 =7/9



<u>Explanation</u>

To convert the a repeating decimals this are the steps;

Part 1

Let x = 0.222222... (i)

10x = 2.222222... (ii)


Subtract equation (i) from equation(ii)


10x = 2.222222....

<u> -x = 0.222222....</u>

9x = 2.00000..


∴ 9x = 2

Divide by 9 both sides;


x = 2/9


Part 2

Let x = 0.5555...

10x = 5.5555...

subtract equation (i) from equation (ii).


10x = 5.5555..

<u> - x = 0.5555..</u>

9x = 5.0000..


∴ 9x = 5

x = 5/9


Part 3

Let x = 0.7777....

10x = 7.7777...


Subtracting equation (i) from equation (ii)


10x = 7.7777...

<u> -x = 0.7777...</u>

9x = 7.000..


∴ 9x = 7


x = 7/9


Pattern noted

When converting the repeating decimals to fraction only one number was repeating. This made the three decimals have the same fraction.

5 0
4 years ago
7x-6=-90 <br> Plz Show work!
gavmur [86]

Answer:

x= -12

Step-by-step explanation:

Move the constant to the right

7x-6=-90

Calculate

7x=-90+6

Divide both sides by 7

7x=-84

Solution

x=-12

6 0
4 years ago
Read 2 more answers
Look at the multipication in the box.<br>use the same integers to write down two divisions​
Vadim26 [7]

Answer:

-30 ÷ 6= -5

-6 × 5 = -30

-30 ÷ -5 = 6

Step-by-step explanation:

3 0
3 years ago
Which of the following describes the function shown in the table below? x y -4 16 -1 2 2 0. 25 4 0. 0625 5 0. 03125 exponential,
horsena [70]

The given table is an example of constant exponential decay.

It is given that

X          Y

-4          16

-1           2

2          0.25

4          0.0625

5          0.03125

<h3>What is an exponential function?</h3>

An exponential function is a relation of the form y = a^x, with the independent variable x ranging over the entire real number line as the exponent of a positive number a.

The y-value at -4 is 16 while the y-value at -1 is 2, a decrement of 1/8 times for an increment in x-value by 3

Again, the y-value at 2 is 0.25 while the y-value at 5 is 0.03125, a decrement of 1/8 times for an increment in x-value by 3.

In both cases, the rate of decrement is constant.

So we can say that this is an example of constant exponential decay.

We can also see this behavior from the attached graph.

Therefore, the given table is an example of constant exponential decay.

To get more about exponential function visit:

brainly.com/question/11464095

5 0
3 years ago
Find the sale price when the original price is $210.20 and the discount rate is 40%
Nuetrik [128]
$5.255 I hope this helps
4 0
3 years ago
Read 2 more answers
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