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3 years ago

What is 9/4 minus 4/3

Mathematics

2 answers:

ahrayia [7]3 years ago

4 0

Answer:

Step-by-step explanation:27/12 - 16/12 = 11/12

Diano4ka-milaya [45]3 years ago

4 0

Answer: 11

Step-by-step explanation:

9 - 4

4 3

27 - 16

11

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A group of 123 students went on a field trip to

irakobra [83]

Answer:

8.2

Step-by-step explanation:

If each student in the group collected 15 shells, we know that there are 123 students on the field trip, so we can take 123 and divide it by 15 to get 8.2 or 41/5.

7 0

3 years ago

Look at the triangle show on the right. The Pythagorean Theorem states that the sum of the squares of the legs of a right triang

Vladimir [108]

Answer:

$cos^2\theta + sin^2\theta = 1$

Step-by-step explanation:

Given

$(\frac{b}{r})^2 + (\frac{a}{r})^2$

Required

Use the expression to prove a trigonometry identity

The given expression is not complete until it is written as:

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = (\frac{r}{r})^2$

Going by the Pythagoras theorem, we can assume the following.

a = Opposite
b = Adjacent
r = Hypothenuse

So, we have:

$Sin\theta = \frac{a}{r}$

$Cos\theta = \frac{b}{r}$

Having said that:

The expression can be further simplified as:

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$

Substitute values for sin and cos

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$ becomes

$cos^2\theta + sin^2\theta = 1$

3 0

3 years ago

The density d kg/m3 of a cube of mass m kilograms and side length x meters is given by the formula: What is the value of d if

bearhunter [10]

Answer:

5000kg/m3

Step-by-step explanation:

Its easy to get the answer of a question from the unit.

So, it will be mass over metre cube.

Therefore, m=40kg x= (0. 2)^3 =0. 008m

40/0. 008 = 5000kg/m^3

6 0

3 years ago

What is -29.9 - 4.6? O A. -6,5 B. 65 C. 0.65 D. -65

natulia [17]

-6.5 which in your answer choices is a

7 0

2 years ago

What is the value of the function f(x)=4(x-15) evaluated at x=10?

slamgirl [31]

The value of the function is -20

6 0

3 years ago