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kotegsom [21]
3 years ago
6

Add rational numbers 3/5+4/5= How do you get the answer 1. /5

Mathematics
1 answer:
Nikitich [7]3 years ago
3 0
I don’t understand you second question but this is the work for the first one.

Hope it helps!

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Need help and will be giving Brainliest
Katena32 [7]

Answer:

x-intercept (s):

For this case h (x) = 0

x2 - 2x - 8 = 0

(x-4) * (x + 2) = 0

x1 = 4

x2 = -2

y-intercept:

For this case x = 0

h (0) = (0)2 - 2 (0) - 8

h (0) = - 8

vertex:

We derive the equation:

h '(x) = x2 - 2x - 8

h (x) = 2x - 2

We match zero:

2x-2 = 0

x = 2/2

x = 1

We evaluate the function for x = 1

h (1) = (1)2 - 2 (1) - 8

h (1) = 1 - 2 - 8

h (1) = -9

The vertex is:

(1, -9)

axis of symmetry of the function:

x = 1

Step-by-step explanation:

hope it helps

6 0
3 years ago
A scale drawing of a bedroom is shown below. The scale is 1 : 30.
ladessa [460]

Answer: 75 feet²

Step-by-step explanation:

     The scale means that for every one unit in the scale drawing, it is 30 units in the actual room. We will convert the dimensions using proportions.

\frac{1}{3} =\frac{30}{x}

x = 90

-

\frac{1}{4} =\frac{30}{x}

x = 120

   The area of a rectangle can be found by multiplying the length by the width:

A = L * W

A = 90 * 120

A = 10,800 inches²

 To get this into square feet, we will divide by 144. Why? There are 12 inches in a foot. 12 times 12 is 144.

10,800 inches² / 144 = 75 feet²

           The area of the room, in square feet, is 75 feet².

3 0
2 years ago
Rewrite the simplest terms : 6(6r+8)-2r ?
borishaifa [10]

Answer:

72r2+96r

Step-by-step explanation:

im just smurt i think

7 0
3 years ago
Read 2 more answers
I NEED HELP ON THIS PLEASE SOMEBODY PLEASE JUST GIVE ME THE RIGHT ANSWER.
ella [17]

Answer: I am pretty sure it is 300. If it is not my bad But I am pretty sure it is.

Step-by-step explanation: I worked it out.

7 0
3 years ago
C^2-4c+cd-4d=(c-4)() find the missing factor
Nadya [2.5K]
It is (c+d)

you can basically use FOIL (first,outside,inside,last) to solve this.

you know the first term of the factor has to be C because of the c^2

the second then has to be D because you haven't seen D in the factor yet and it is in the equation.

then you know from the equation that the terms with D are not negative so D isn't negative so you have form the information above (c+d)
6 0
3 years ago
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