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3 years ago

What Is The Formula Of Triangle, Rhombus, Parallelogram

Mathematics

1 answer:

Rufina [12.5K]3 years ago

5 0

$\purple{\underline{{\boxed{\bf{QUESTION: }}}}}$

What Is The Formula Of Triangle, Rhombus, Parallelogram

$\purple{\underline{{\boxed{\bf{ ANSWER: }}}}}$

➬ The formula of Triangle is:

$\frac{1}{2} \times base \times height \:$

➬ The formula of rhombus is:

$diagonal1 \times diagonal2$

➬ The formula of parallelogram:

$base \times height$

$\purple{\underline{{\boxed{\bf{MORE\: TO \: KNOW: }}}}}$

<h3 />

➬ <u>The Area of </u><u>Triangle:</u> $\frac{1}{2}base \times height$

<u>Perimeter of Triangle:</u> $sum \: of \: three \: sides$

➬ The Area of Rhombus: $d1 \times d2$

The Perimeter of Rhombus: $4 \: Sides$

➬ The Area of Parallelogram: $base \times height$

The perimeter of Parallelogram: $4 \: sides$

<h2>Hope it'll help you Army! </h2><h3>Purple you! ⁷⟭⟬</h3>

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Answer:

the guarantee period should be less than 136010 miles

Step-by-step explanation:

From the given information;

Let consider Y to be the life of a car engine

with a mean μ = 170000

and a standard deviation σ = 16500

The objective is to determine what should be the guarantee period T if the company wants less than 2% of the engines to fail.

i.e

P(Y < T ) < 0.02

For the variable of z ; we have:

$z = \dfrac{x - \mu }{\sigma}$

$z = \dfrac{x - 170000 }{16500}$

Now;

$P(Y < T ) = P( Z < \dfrac{T- 170000}{16500})$

$P( Z < \dfrac{T- 170000}{16500})< 0.02$

From Z table ;

At P(Z < -2.06) ≅ 0.0197 which is close to 0.02

$\dfrac{T- 170000}{16500}$

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4 years ago

There are 10 coconuts at-the base of your tree. The coconuts are falling off the tree at a rate of 6 coconuts per week. Assume t

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Answer: y = 6x +10.

After 7 weeks there will not be any coconut on the tree.

Step-by-step explanation: Given initial number of coconuts under the tree = 10 coconuts.

The rate of falling of coconuts each week = 6 coconuts per week.

Let us assume number of weeks be x and y be total number of coconuts after x weeks.

So, total number of coconuts after x weeks would be = Rate of falling of coconuts × number of weeks + Initial number of coconuts.

Therefore,

y = 6x +10.

a) y = 6x +10

Let us graph the linear equation with y-intercept 10 and slope rise/run = 6/1.

b) Total number of coconuts after x weeks = 52.

Plugging y=52 in above equation, we get

52 = 6x+10.

Subtracting 10 from both sides, we get

52-10 = 6x=10-10

42 = 6x.

Dividing both sides by 6, we get

42/6 = 6x/6

7 = x.

Therefore, after 7 weeks there will not be any coconut on the tree.

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4 years ago

HELP...... rewrite the equation by completing the square.<br> x ^2 +10x+16=0

Sonbull [250]

Answer:

$(x+5)^{2} = 9$

Step-by-step explanation:

To complete the square you need to add $\frac{b}{2}^{2}$ to both sides. (Parenthesis around b/2)

b = 10

b/2 = 5

(b/2)^2 = 25

$x^{2}$ +10x + 16 = 0

subtract 16 to both sides

$x^{2}$ + 10x = -16

add 25 to both sides

$x^{2}$ +10x + 25 = 9

Perfect Square Trinomial Factoring

$(x+5)^{2}$ = 9

5 0

3 years ago

What Is The Formula Of Triangle, Rhombus, Parallelogram​

What Is The Formula Of Triangle, Rhombus, Parallelogram