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3 years ago

The volume of a cube is 66cm cubed what is the height?

Mathematics

2 answers:

sweet-ann [11.9K]3 years ago

6 0

The height is 4.04124002062 or 4.04cm

Leto [7]3 years ago

3 0

The height = $\sqrt[3]{66}$ = 4.04 cm;

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HELP!!! Simplify cos^2 0 -1/ 4sin^2 0?

Shkiper50 [21]

We need to simpify the given expression. The given expression to us is ,

Given Expression :-

$\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta }$

Using Identity :-

$\sf\implies \red{ sin^2\theta + cos^2\theta = 1}$

So that :-

$\sf\implies - sin^2\theta = cos^2\theta -1$

We have :-

$\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta } \\\\\sf\implies\dfrac{ - sin^2\theta}{4sin^2\theta}=\boxed{\sf -\dfrac{1}{4}}$

Hence the required answer is -1/4. 

5 0

3 years ago

An ounce is equal to about 28 g. If 1 g of soil contains 2.5 billion bacteria, how many bacteria are in 1 oz of soil?

Nimfa-mama [501]

Answer:

About 700 billion bacteria

Step-by-step explanation:

Given

$1oz \approx 28g$

$1g = 25\ billion\ bacteria$

Required

Number of bacteria in 1 oz

$1g = 25\ billion\ bacteria$

Multiply both sides by 28

$28 * 1g = 25\ billion\ bacteria * 28$

$28g = 700\ billion\ bacteria$

Recall that

$1oz \approx 28g$

This means:

$1oz \approx 700\ billion\ bacteria$

5 0

3 years ago

.........don't mind this I put this up by accident

JulijaS [17]

Answer:

Really?

Step-by-step explanation:

Ok....................

5 0

3 years ago

Can someone smart at math help me cause a girl tried and can’t do this vodo thing my teacher gives me

krek1111 [17]

3: t will equal 60°
180 divided by 3 is 60

5 0

3 years ago

What is the answer to this problem 3z+4=34

finlep [7]

Solve for z

3z+4=34

Subtract 4 from both sides.

= 3z=30

Divide both sides by 3

z=10

Hope I helped! :D

3 0

3 years ago

Read 2 more answers