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3 years ago

900 + 8 + 0.9 + 0.06 + 0.007

Mathematics

1 answer:

photoshop1234 [79]3 years ago

5 0

Answer:

908.967

Step-by-step explanation:

i hope this helps :)

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Answer:(15x +14)

Step-by-step explanation:

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4 years ago

What is the simplified form of the cube root of x squared times the third root of x squared

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Cubert (x^2) * cubert(x^2)=
Since they're both cube roots you can multiply the radicands.
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4 years ago

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Is the following sentence true or False? Geologists are able to drill to the center of Earth

Andru [333]

Answer:

It is false the center of the Earth is way to hot for anyone to go down their if they do they will burn

Step-by-step explanation:

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3 years ago

What restrictions must be made on x, y, and z so that the triple (x, y, z) will represent a point on the y axis? On the z axis?

Aneli [31]

Answer:i) The point on y-axis is (0,y,0)

ii) The point on z-axis is (0,0,z)

iii) The point on x z plane is (x,o,z)

iv) The point on y z plane is (0,y,z)

Step-by-step explanation:

Explanation:-

i) For every point on x-axis, y-co-ordinate is zero and z- co-ordinate is zero

i .e., y=0 and z=0

The point on x-axis is (x,0,0)

ii) For every point on y-axis, x-co-ordinate is zero and z- co-ordinate is zero

i .e., x=0 and z=0

The point on y-axis is (0,y,0)

iii) For every point on z-axis, x-co-ordinate is zero and y- co-ordinate is zero

i .e., x=0 and y=0

The point on z-axis is (0,0,z)

iv) For every point on X Z plane then Y=0

The point on x z plane is (x,o,z)

v) For every point on Y Z plane then X=0

The point on yz plane is (0,y,z)

vi) For every point on X Y plane then Z=0

The point on x y plane is (x,y,0)

3 0

4 years ago

The time t required to drive certain distance varies inversely with the speed r. It takes 2 hours to drive the distance at 40 mi

Roman55 [17]

Answer:

$\frac{16}{9}$ hours

Step-by-step explanation:

Whenever 2 quantities (suppose a and b) are inversely proportional to each other, we can write an proportionality equation (with k as proportional constant) as:

$a=\frac{k}{b}$

Since, here t is INVERSELY PROPORTIONAL to r, we can say:

$t=\frac{k}{r}$

Firstly, we have t = 2 hour and r = 40 mph, so we find k:

$t=\frac{k}{r}\\2=\frac{k}{40}\\k=2*40\\k=80$

Now, secondly, we have r = 45 and k = 80, we need to find t:

$t=\frac{80}{45}\\t=\frac{16}{9}$

So, it would take $\frac{16}{9}$ hours

4 0

3 years ago