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BARSIC [14]
3 years ago
6

I need a bit of help.. (Brainliest + 15 pts)

Mathematics
1 answer:
DIA [1.3K]3 years ago
3 0

Answer:

1. 4

2. 5/9

3. 1/2

4. 11

Step-by-step explanation:

1. The cube root of 64 is 4

2. The square root of 25/81 is 5/9

3. The cube root of 1/8 is 1/2

4. The square root of 121 is 11

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The table shows a linear function. <br>which equation represents the function?
Bas_tet [7]

Answer:

Option C is correct.

The equation f(x)= -\frac{1}{2}x +4 represents the function.

Step-by-step explanation:

Using slope intercept form to find the equation of line :

For any two points (x_1, y_1) and  (x_2, y_2) the equation of line is given by:

y -y _1 = m(x-x_1) ......[1] ;where m is the slope given by:

m = \frac{y_2-y_1}{x_2-x_1}

Consider any two points from table :

let (4, 2) and (0, 4) be any two points.

calculate slope:

m = \frac{y_2-y_1}{x_2-x_1}= \frac{4-2}{0-4}

m = \frac{2}{-4} = -\frac{1}{2}

Now, substitute in equation [1]  we have:

y - 2 = -\frac{1}{2} (x-4)

Distributive property i.e,  a\cdot (b+c) = a\cdot b + a\cdot c

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

Add both sides 2 we get;

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

Simplify:

y = -\frac{1}{2}x+4

Since, y= f(x)

f(x)= -\frac{1}{2}x +4

therefore, the equation f(x)= -\frac{1}{2}x +4 represents the function.


8 0
3 years ago
Help and explain plzzzzzz
nignag [31]
Its 2.59%. i mean i figured it out and i got 2.59%
8 0
3 years ago
Emma has a gift box in the shape of a cube. Each side of the box measures 9 centimeters. What is the volume of the gift box?
BARSIC [14]

Answer:

729

Step-by-step explanation:

Each side of the cube measures 9cm

The volume of a cube is V^3

Therefore the volume can be calculated as follows

= 9^3

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Hence the volume is 729

3 0
3 years ago
Which matrix is equal to P + Q?
irga5000 [103]

Answer:

It's the first one

Step-by-step explanation:

All you gotta do is add the value of p with the value of q

7 0
3 years ago
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If a point in Quadrant I is reflected across the x-axis, where is the reflection located?
musickatia [10]
It would be quadrant iv
8 0
3 years ago
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