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Alona [7]
3 years ago
14

Solve for x: |x|-8=-5

Mathematics
2 answers:
xxMikexx [17]3 years ago
4 0

x*-8 would be -8x

then you would divide -8 by both sides

should get a decimal as your answer I believe

Bezzdna [24]3 years ago
4 0
Answer : 
± x = 3

Explanation: 
Absolute deviation bars mean that the value inside them will be positive no matter what. 

Solve for x:
|x| – 8 = –5 
    + 8    + 8 
|x| = 3 
So ± x = 3
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Please I need help!!
telo118 [61]

The regression equation which correctly models the data in this table is y = 1.49x - 107.5,

<h3>How to determine the regression equation?</h3>

From the table of data values, we have the following parameters:

∑x = 632

∑y = 404

∑x² = 80.142

∑xy = 51.448

Mathematically, the regression equation is represented by the following slope equation:

y = Bx + A

Next, we would determine A by using this expression:

A = (∑y·∑x² - ∑x·∑xy)/(n∑x² - (∑x)²)

A = (404×80,142 - 632×51,448)/(5×∑x² - (632)²)

A = (32,377,368 - 32,515136)/(5×80142 - 399,424)

A = -137,768/1286

A = 107.5

For B, we have:

B = (n∑xy· - ∑x·∑y)/(n∑x² - (∑x)²)

B = (5×51,448 - 632×404)/(5×∑x² - (632)²)

B = 1.49.

y = Bx + A

y = 1.49x - 107.5

Read more about regression equation here: brainly.com/question/28037520

#SPJ1

7 0
1 year ago
What is the inverse function of y=x^2-7
Vikentia [17]
With inverse functions you just swap 'x' and 'y' and solve for 'y'.

\sf y=x^2-7

Swap 'x' and 'y':

\sf x=y^2-7

Add 7 to both sides:

\sf x+7=y^2

Take the square root of both sides:

\sf y=\boxed{\sf\pm\sqrt{x+7}}
3 0
3 years ago
Multiple by moving the decimal point 24.6x100,37x1,000 0.367x10,000,0.005x1000,000 .
lesya [120]

The answers are 2460, 37,000, 3670 and 5000

Step-by-step explanation:

  • Step 1: Find the answers for each by multiplying.

24.6 × 100 = 2460 (moved one decimal point)

37 × 1000 = 37,000

0.367 × 10000 = 3670 (moved three decimal points)

0.005 × 1000,000 = 5000 (moved three decimal points)

8 0
3 years ago
If he eats the sugar cookie that he grabbed the first time and then he grabs another one, what is the probability that both cook
Gnesinka [82]

Answer:

It is a 50% chance that both cookies are sugar cookies.

Step-by-step explanation:

3 0
3 years ago
(15-24)+3-(58) what is the anwer​
Musya8 [376]

Answer:

(15-24)+3-(58)

Step-by-step explanation:

(15-24)+3-(58)

3 0
3 years ago
Read 2 more answers
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