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boyakko [2]
3 years ago
11

PLEASE HELP ME!! THANK YOU!!

Mathematics
1 answer:
Tems11 [23]3 years ago
4 0

9514 1404 393

Answer:

  [-4,3]

Step-by-step explanation:

The domain is the left-right (horizontal) extent of the function. The dots at the end of the continuous line are solid, so the brackets on the interval are square brackets.

The left dot is at x=-4; the right dot is at x=3, so the domain is ...

  [-4,3]

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Area of a circle with a diameter of 6
Marina86 [1]

The area of the circle is 28.26

<u>Step-by-step explanation:</u>

Given that,

The diameter of the circle = 6

The formula to find the area of the circle is given by,

Area of the circle = πr²

where,

  • r is the radius of the circle
  • π has the default value of 3.14

The steps to find the area of a circle is to square the radius or multiply it by itself. Then multiply the squared radius by 3.14 to get the area.

Now, to find the radius = diameter /2

Radius = 6/2

r = 3

Substitute r = 3 in the area formula,

Area of circle = (3.14) × (3)²

⇒ 3.14 × 9

⇒ 28.26

Therefore, the area of the circle is 28.26

8 0
4 years ago
Find the range of the function.<br> f(x) = -5x^2 + 9
lutik1710 [3]

Answer: B {x:x<=9

Step-by-step explanation:

7 0
3 years ago
Mike is tiling his kitchen floor. Each tile costs $1.79 and covers 2.25 square feet. If
vova2212 [387]

Step-by-step explanation:

First, let's find out how many tiles Mike needs.

Mike's kitchen is 75sqft, each tile covers 2.25sqft, so 75sqft/2.25sqft=33.3333...,

multiply that number by the cost per tile and round to the nearest hundredth.

4 0
3 years ago
Read 2 more answers
In Triangle A B C, what is the value of x?
Nadusha1986 [10]

Answer:

x = 70

Step-by-step explanation:

180 - 112 = 68

2x + 2x + 12 + 68 = 360

4x + 80 = 360

4x = 360 - 80

4x = 280

x = 280/4

x = 70

2x = 2*70 = 140

2x + 12 = 2*70 + 12 = 152

180 - 140 = 40

112 + 40 = 152

180 - 152 = 28

112 + 28 = 140

7 0
3 years ago
What's the three methods ratio
pantera1 [17]
Fractions: ½ , colon: 1:2 and using to: 1 to 2
8 0
3 years ago
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