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2 years ago

HELP

Mathematics

1 answer:

Harrizon [31]2 years ago

5 0

Answer:

Step-by-step explanation:

y - 2 = 2/3(x - 6)

y - 2 = 2/3x - 4

y = 2/3x - 2

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What is the image point of (-1,4) after a translation left 5 units and up 2 units

shepuryov [24]

Answer:

(-6,6)

Step-by-step explanation:

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3 years ago

Does the following represent a function? <br> f = [ (3, -1), (2, 5), (4, -6), (3, 4), (5, -8) ]

ella [17]

Answer:

Not a function

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2 years ago

Express 17.5m in dm,cm,dam,mm,hm,km

Len [333]

Answer:

17.5 metres

175 decimetres

1750 centimetres

17500 millimetres

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Hope it helps,

Pls mark as brainliest answer...

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

The numbers of students in the 7 schools in a district are given below.

Sidana [21]

The mean will decrease

6 0

3 years ago

a spherical balloon is deflated at a rate of 256pi/3 cm^3/sec. at what rate is the radius of the balloon changing when the radiu

Hunter-Best [27]

What you need to look for is $\frac { dr }{ dt }$ when r=8.

Now:

$Volume\quad of\quad a\quad sphere:\\ \\ V=\frac { 4 }{ 3 } \pi { r }^{ 3 }$

$\therefore \quad \frac { dV }{ dr } =\frac { 4 }{ 3 } \pi \cdot 3{ r }^{ 2 }=4\pi { r }^{ 2 }\\ \\ \therefore \quad \frac { dr }{ dV } =\frac { 1 }{ \frac { dV }{ dr } } =\frac { 1 }{ 4\pi { r }^{ 2 } }$

$And:\\ \\ \frac { dV }{ dt } =-\frac { 256\pi }{ 3 } \\ \\ Therefore:\\ \\ \frac { dr }{ dt } =\frac { dr }{ dV } \cdot \frac { dV }{ dt }$

$\\ \\ =\frac { 1 }{ 4\pi { r }^{ 2 } } \cdot -\frac { 256\pi }{ 3 } \\ \\ =-\frac { 256 }{ 12 } \cdot \frac { \pi }{ \pi } \cdot \frac { 1 }{ { r }^{ 2 } }$

$\\ \\ =-\frac { 64 }{ 3{ r }^{ 2 } } \\ \\ When\quad r=8,\\ \\ \frac { dr }{ dt } =-\frac { 64 }{ 3\cdot { 8 }^{ 2 } } =-\frac { 1 }{ 3 } \\ \\ Answer:\quad -\frac { 1 }{ 3 } \quad cm/sec$

3 0

3 years ago