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2 years ago

A pattern follows the rule "Start at 3 and add 10."

Mathematics

1 answer:

Gre4nikov [31]2 years ago

6 0

B: Each term is 10 times the previous term because the tens digit goes up by 1 and the ones digit stays the same.

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Which is a parallelogram with four congruent sides whose diagonals bisect each other and intersect at four right angles?

Charra [1.4K]

Answer:

I believe that the answer is B. Rhombus.

Step-by-step explanation:

A rhombus has the properties of a parallelogram and the diagonals intersect at right angles.

Hope this helps!

3 0

3 years ago

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Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared. n2+5/2n

leonid [27]

Answer:

$n^2 + \frac{5}{2}n + \frac{25}{16}$

$(n + \frac{5}{4})^2$

Step-by-step explanation:

Given

$n^2 + \frac{5}{2}n$

Required

(a) Make a perfect square trinomial

(b) Write as binomial square

Solving (a)

Let the missing part of the expression be k;

This gives

$n^2 + \frac{5}{2}n + k$

To solve for k, we need to square half the coefficient of n;

i.e. Since the coefficient of n is $\frac{5}{2}$ , then

$k = (\frac{1}{2} * \frac{5}{2})^2$

$k = (\frac{5}{4})^2$

$k = \frac{25}{16}$

Hence;

$n^2 + \frac{5}{2}n + k$ = $n^2 + \frac{5}{2}n + \frac{25}{16}$

Solving (b)

$n^2 + \frac{5}{2}n + \frac{25}{16}$

Expand $\frac{5}{2}n$

$n^2 + \frac{5}{4}n+ \frac{5}{4}n + \frac{25}{16}$

Factorize

$n(n + \frac{5}{4})+ \frac{5}{4}(n + \frac{5}{4})$

$(n + \frac{5}{4})(n + \frac{5}{4})$

$(n + \frac{5}{4})^2$

Hence:

$n^2 + \frac{5}{2}n + \frac{25}{16}$ = $(n + \frac{5}{4})^2$

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3 years ago

Factor. x^2+14x+48 please

iogann1982 [59]

The answer is (x + 8) x (x + 6)

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3 years ago

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PLZ help I am confusion. Math is hard

Andrej [43]

Answer:

It is C I am good at math

Step-by-step explanation:

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3 years ago

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Alex17521 [72]

Answer:

1. x=25

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3 years ago