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Mashcka [7]
3 years ago
7

What is static equilibrium?

Mathematics
2 answers:
tamaranim1 [39]3 years ago
6 0
Equilibrium acquired in which the object or body does not change the state of rest under the influence of several forces acting on it.
Andre45 [30]3 years ago
6 0
Equilibrium acquired in which the object or body does not change the state of rest under the influence of several forces acting on it.
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Using the triangle below, find the length of side c if side a is 15 and θ =55. Round your answer to the nearest tenth.
Kaylis [27]

Answer:

15 sin 55 = 12

Step-by-step explanation:

It is a basic trigonometry formula

5 0
3 years ago
Which of these shows the result of using the first equation to substitute for y in the second equation, then combining like term
AURORKA [14]

11x=55 just took the test

5 0
3 years ago
Read 2 more answers
What is factorisation ​
liubo4ka [24]

Factorization is a method of writing numbers as the product of their factors or divisors.

<em><u>Solution:</u></em>

<em><u>Factorisation:</u></em>

Factorization is a method of writing numbers as the product of their factors or divisors.

In other words we can say, Finding what to multiply together to get an expression.

It is like "splitting" an expression into a multiplication of simpler expressions.

<em><u>Methods of factorisation:</u></em>

  • Factoring out the GCF
  • The sum-product pattern
  • The grouping method
  • The perfect square trinomial pattern
  • The difference of squares pattern

<em><u>Factoring out the GCF:</u></em>

This methods means that factoring out common factors

For example:

12x^2 + 3x = 3x(4x + 1)

This can be used when each term in given expression shares a common factor

<em><u>The sum-product pattern</u></em>

A quadratic equation may be expressed as a product of two binomials

For example:

x^2 + 7x + 12 = (x + 3)(x + 4)

This method can be used for quadratic equations of form ax^2 + bx + c = 0

<em><u>The grouping method</u></em>

If the polynomial is of the form  ax^2 + bx + c and there are factors of ac that add up to b , we can use this method

For example:

2x^2 + 7x + 3\\\\2x^2 + 6x + 1x + 3\\\\2x(x + 3) + 1(x + 3)\\\\(x + 3)(2x + 1)

<em><u>The perfect square trinomial pattern</u></em>

If the first and last terms are perfect squares and the middle term is twice the product of their square roots , we can use this method

For example:

x^2 + 10x + 25\\\\(x + 5)^2

<em><u>The difference of squares pattern</u></em>

If the expression represents a difference of squares, we can use this method

Because a^2 - b^2 = (a + b)(a - b)

For example:

x^2 - 25\\\\x^2 - 5^2\\\\(x + 5)(x - 5)

6 0
3 years ago
Select the equivalent expression.
Vanyuwa [196]

For this case we must find an expression equivalent to:(y ^ 3 * 2 ^ 5) ^ 2

By definition of power properties we have to meet:

(a ^ n) ^ m = a ^ {n * m}

So, rewriting the expression we have:

y^{3 * 2} * 2^ {5 * 2} =\\y^ 6 * 2^{10}

Answer:

Option B

y^6*2^{10}

4 0
3 years ago
1. Which is the best definition of a proper fraction?
Tju [1.3M]

Answer:

<em>C. A Fraction whose Numerator is smaller than the denominator</em>

Step-by-step explanation:

<u><em>A proper fraction is a fraction whose numerator is smaller than its denominator.</em></u>

<u><em> An improper fraction is a fraction whose numerator is equal to or greater than its denominator. </em></u>

Example:

<em>3/4, 2/11, and 7/19 are proper fractions, while 5/2, 8/5, and 12/11 are improper fractions.</em>

3 0
3 years ago
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