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2 years ago

5

Best answer gets brainliest

2 answers:

Goshia [24]2 years ago

5 0

It will be c because when you do the equation they will give the answer a

harina [27]2 years ago

3 0

Answer:

c and b hope it helps you in the long run

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Aleks04 [339]

Answer:

(x, y) =(2,2)

Step-by-step explanation:

5x+3y=16 /*5

3x-5y=-4 /*3

25x+15y=80 (1)

9x-15y=-12 (2)

(1)+(2): 34x=68

9x-15y=-12

x=68/34

9x-15y=-12

x=2

9*2-15y=-12

x=2

18-15y=-12

x=2

-15y=-12-18

x=2

-15y=-30

x=2

y=-30/(-15)

x=2

y=2

(x,y)=(2,2)

4 0

3 years ago

Graph y = -2x + 5. Tell me the coordinates.

Setler [38]

^^^ that is correct and ⚠WARNING DO NOT JOIN THE ZOOM OF 825 338 1513⚠ OR DO NOT JOIN ANY ZOOMS FROM ANYONE EXCEPT REAL LIFE FRIENDS OR FRIENDS FAMILY OR TEACHERS! HIS ZOOM NAME IS Mysterious Men HE ASKS GIRLS TO DO INAPPROPRIATE THINGS PLS COPY AND PASTE THIS TO OTHER COMMENT SECTIONS! PLS PASS THIS AROUND!

7 0

3 years ago

Which equation is the inverse of f(x)=LaTeX: \frac{1}{x+2}1 x + 2 A. LaTeX: f^{-1}\left(x\right)=\frac{1}{x}+2f − 1 ( x ) = 1 x

inna [77]

Answer:

$g^{-1}x = \frac{1-2x}{x}$

Step-by-step explanation:

Given the function $g(x)= \frac{1}{x+2}$ , we are to find the inverse of the function and this can be done y following the simple steps:

Step 1: Replace y with $g(x)$

$g(x)= \frac{1}{x+2}\\y= \frac{1}{x+2}$

Step 2: Interchange x with y

$x= \frac{1}{y+2}$

Step 3: Make y the subject of the formula;

$x= \frac{1}{y+2}\\y+2 = \frac{1}{x}\\y = \frac{1}{x} - 2\\Find \ the\ LCM\\y = \frac{1-2x}{x}$

Step 4: Replace y as $g^{-1}(x)$

$g^{-1}x = \frac{1-2x}{x}$

Hence the inverse of the function is $g^{-1}x = \frac{1-2x}{x}$

3 0

3 years ago

You cut a piece of paper and fold it into a square pyramid. Find the area of the paper. 3 in. 2 in. The area of the paper is not

Doss [256]

Comment:

Then how does that work

Step-by-step explanation:

5 0

3 years ago

Alex is a member of the school track and field team. His times for running various distances are shown. Create a scatter plot fo

frozen [14]

Answer:

(1) Please find attached the graph of the data

(2) 160.396 m

(3) The correlation that exist is a straight line correlation

Step-by-step explanation:

The given data are;

Distance, Time

(m), (s)

50, 6.1

100, 12

150, 18.3

200, 25.2

250, 31.7

(2)

Based on the linear regression formula, we have;

$b = \dfrac{N\sum XY - \left (\sum X \right )\left (\sum Y \right )}{N\sum X^{2} - \left (\sum X \right )^{2}}$

$b = \dfrac{5 \times 17215 - 93.3 \times 750}{5 \times 2156.03 -8704.89} = 7.758$

$a = \dfrac{\sum Y - b\sum X}{N}$

$a = \dfrac{750 - 7.7581 \times 93.3}{5}= 5.234$

The line is

y = 7.7581×x+5.234

When t = 20 s, we have

y = 7.7581*20+5.234 = 160.396 m

(3) The correlation that exist is a straight line correlation

3 0

3 years ago