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Vladimir [108]
2 years ago
5

Please answer these and find the slope intercept form for each one. Best answer gets brainliest

Mathematics
1 answer:
aksik [14]2 years ago
7 0
11) y=1/4x+2.5

12) y=-2x+8
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Divide: 3/7 ÷ 1/2<br><br> A) 116<br><br> B) 67<br><br> C) 25<br><br> D) 314
labwork [276]
The answer is B) 6/7
8 0
2 years ago
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Given fx ( ) = 2x 2 + 4 f 2 , determine ( ) f −1 and () .
TEA [102]

Answer:

<h2>12 and 6</h2>

Step-by-step explanation:

The equation is not properly formatted presumably here is the format.

Given

f(x) = 2x^2 + 4

determine f(2) , and f(−1).

So we are expect to perform substitution operation and return an answers for values of x= 2 and x= -1

1. When x= 2 we have

f(2) = 2*2^2 + 4\\\\f(2)= 2*4+4\\\\f(2)= 8+4\\\\f(2)= 12

2. When x= -1 we have

f(-1) = 2*-1^2 + 4\\\\ f(-1)= 2*1+4\\\\ f(-1)= 2+4\\\\ f(-1)= 6

5 0
3 years ago
Whats the suface area?
Fiesta28 [93]

We can see that

There are four triangle on the surface

and five squares

For finding surface areas , we will find area of each surface and then add them

Calculation of area of triangle:

We are given

base=b=8

height=h=10

now, we can use area formula

A=\frac{1}{2}*b*h

A=\frac{1}{2}*8*10

A=40

Calculation of area of square:

base=width=8

A=8*8

A=64

There are four triangle and five squares on the surface

so, we can find surface area

SA=4* triangle + 5*square

SA=4*40+5*64

SA=480ft^2

so, surface area is 480ft^2.............Answer


6 0
3 years ago
Select the correct answer. Find the solution(s) for x in the equation below.<br> x2-9x+20=0
trasher [3.6K]

Step-by-step explanation:

Given

x² - 9x + 20 = 0

x² - ( 4 + 5) x + 20 = 0

x² - 4x - 5x + 20 = 0

x ( x - 4 ) - 5 (x - 4 ) = 0

(x - 4 ) ( x - 5 ) = 0

Either

x - 4 =0

x = 4

or

x - 5 =0

x = 5

x = 4 and 5

Hope it will help :)

.)

8 0
2 years ago
Read 2 more answers
There were m visitors in an exhibition on the first day and 1,200 fewer vistors on the second day. On the third day, the number
STALIN [3.7K]

Answer:

Step-by-step explanation:

The average number is given by :

[m + (m - 1200) + (m - 1200)(1.30 ] / 3   =

[ 2m + 1.30m - 1200 - 1560] / 3   =

[3.3m - 2760] / 3  =

[1.1 m  - 920 ]

6 0
3 years ago
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