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3 years ago

Help me! what is the domain or range?

Mathematics

1 answer:

Lapatulllka [165]3 years ago

5 0

Domain is [-10,∞)
2 is included , only at x=2 new function begins
Range is the values of y , so range is [-7]∪[-4,6
I think, it should be like this.

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A sphere is partially filled with air. If the volume of the sphere is increasing at a rate of 548 cubic feet per second, what is

Rama09 [41]

Answer:

137/(36π) ft/s

Step-by-step explanation:

The rate of change of volume will be the product of the rate of change of radius and the area of the sphere. The area of the sphere is ...

A = 4πr² = 4π(6 ft)² = 144π ft²

Then the relationship above is ...

dV/dt = A·dr/dt

548 ft³/s = (144π ft²)·dr/dt

dr/dt = (548 ft³/s)/(144π ft²) = 137/(36π) ft/s ≈ 1.2113 ft/s

8 0

3 years ago

The area of a circle is 616 m square find the radius 5 equals to 22/7

astra-53 [7]

Step-by-step explanation:

$here \: is \: your \: solution : - \\ \\ GIVEN \: \: -:- \\ \\ = > \: area \: of \: circle \: = 616 \: m {}^{2} \\ \\ \ = > pi = 22 \div 7 \\ \\ = > we \: need \: to \: find \: radius \: \\ \\ = > area \: of \: circle \: = \pi \: r {}^{2} \\ \\ = > \: \pi \: r {}^{2} = 616 \: m {}^{2} \\ \\ = > \: r {}^{2} \times (22 \div 7) = 616 \\ \\ = > \: r {}^{2} =( 616 \times 7) \div 22 \\ \\ = > \: r { }^{2} = 4312 \div 22 \\ \\ = > r {}^{2} = 196 \\ \\ = > \: r = \sqrt{196} \\ \\ = > \: r = 14 \: \: \: (ANSWER✓✓✓) \\ \\ HOPE \: IT \: HELPS \: YOU \: (◕ᴗ◕✿)$

7 0

2 years ago

363 · 62 . 46-4 Plsss help solve it :)

Andreas93 [3]

Answer:

1035272

Step-by-step explanation:

4 0

2 years ago

What question is answered by the equation d=4 (32)

Doss [256]

By this equation: d = 4(32), we know what d equals, which means we have the value of d.

d= 4*32
d = 128

5 0

3 years ago

How many rays intersect at point O 1. 5 2. 4 3. 6 4. 3

Vilka [71]

Answer:

3 is correct ans

ray on point o

is 3

option 4 3 is correct

line intersecting on same point on o

5 0

1 year ago