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k0ka [10]
3 years ago
13

The equation of a function is y = 10 – 9x.Find the value of x when

Mathematics
1 answer:
USPshnik [31]3 years ago
4 0

Answer:

x = 2, x = 4

Step-by-step explanation:

The equation y = 10 - 9x is a linear equation and the value of either y or x can be found by substituting the given values of either y or x.

given that y = -8, and substituting this into equation y = 10 - 9x,

we have, -8 = 10 - 9x

10 + 8 = 9x

9x = 18; dividing both sides by 9

x = 2

given that y = -26, and substituting this into equation y = 10 - 9x,

we have, -26 = 10 - 9x

10 + 26 = 9x

9x = 36; dividing both sides by 9

x = 4

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−4 4/5 ÷ 4<br><br> A. -1 1/5<br><br> B. -4/5<br><br> C. 4/5<br><br> D. 1 1/5
kogti [31]

Answer:

A. -1⅕

Step-by-step explanation:

-4\frac{4}{5}\div 4 = -4,8\div 4 = -1,2 =  -1 \frac{1}{5}

I am joyous to assist you anytime.

7 0
3 years ago
I don't really know what to do on this one so could someone help me
Yanka [14]

Answer:

because the gross is the total amount of money they get without the subtraction of taxes that they have to pay

Step-by-step explanation:

4 0
3 years ago
A diagonal shortcut across a rectangular lot is 130 feet long. The lot is 50 feet long. What is the other dimension of the lot
ryzh [129]
We use the pithagorean formula: x^2 = 130^2 - 50^2 = 16900 -2500 = 14400;
then, x = \sqrt{14400} = 120 feet has the other dimension of the lot.
6 0
3 years ago
What is the range of the set of data this box-and-whisker plot represents? 10 12 13 14 15 16 17 18 19 20 10 8 3 6​
sesenic [268]

Answer:

The 2 box-and-whisker plot is the correct one.

Step-by-step explanation:

The first step you need to do is write the numbers from least to greatest.

5, 7, 8, 10, 13, 14, 17, 17, 21. 5 and 21 will be the end points.

To make the box we need to find the median first. All you have to do is pick the middle number and it is 13. That just leaves box-and-whisker plots 2 and 3.

To find the first and third quartile, you need to take the other numbers from 13 to the left (10+8+7+5) and add them up then divide by 4 to get 7.5 and that is the first quartile.

To find the third quartile, you will go from 13 to the right (14+17+17+21) and divide by 4 to get 17.25.  

This equals the 2nd box-and-whisker plot.

8 0
3 years ago
Does anyone know what that number would be?
motikmotik

Step-by-step explanation:

The new c term be 49 for completing the square.

x² - 14x + 49

= x² - 2 * x * 7 + 7²

= ( x - 7) ²

Hope it will help :)

3 0
2 years ago
Read 2 more answers
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