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3 years ago

How do you find the area of a triangle ?

Mathematics

2 answers:

katovenus [111]3 years ago

8 0

Answer:

to find the Area of a Triangle, you have to multiply the base times the height of the triangle to find the Area.

Step-by-step explanation:

For example..

If the Base ( bottom part of the triangle) was 10 and the height ( the vertical line of the triangle) was 5, you would multiply them together to get 50. So 5o would be the area of the Triangle.

<h2><em>Hope this helps and have a Great day!</em></h2>

aev [14]3 years ago

4 0

Answer:

1/2 x b x h

Step-by-step explanation:

b= base

h= hieght

1. Multiply your base by 1/2

2. Then multiply the sum of that by your hieght

Ex: A trianle with a base of 18 and hieght of 4

1. 1/2 x 18 = 9

2. 9 x 4 = 36

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If you rode a bicycle at 12 miles an hour how long will it take you to write 42 miles

Anettt [7]

You divide 42 miles by 12 and you get 3.5
So it would take 3 hours and 50 min

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3 years ago

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.Given: F(x) = 3x2+ 1, G(x) = 2x - 3, H(x) = x

inna [77]

For this case we have the following functions:

$F (x) = 3x ^ 2 +1\\G (x) = 2x-3\\H (x) = x$

We have to:

$G (x) * - 1$ is given by:

$(2x-3) * - 1 = -2x +3$

Thus, the correct option is the option is A.

On the other hand,

$F (x) +G (x) = 3x ^ 2 +1 +(2x - 3) = 3x ^ 2+ 1+ 2x-3 = 3x ^ 2 +2x-2$

Thus, the correct option is the option is A.

We also have:

$F (-2) = 3 (-2) ^ 2+ 1 = 3 (4)+ 1 = 12+ 1 = 13$

Thus, the correct option is the option is B.

Last we have:

$F (3)+G (4) -2H (5) = (3 (3) ^ 2+ 1)+ (2 (4) -3) -2 (5) = (3 (9)+ 1) - (8-3) 10 = 28+ 5-10 = 33$

Thus, the correct option is the option is C.

ANswer:

Option A, A, B, C

8 0

3 years ago

A family wants to save for college tuition for their daughter. What continuous yearly interest rate r% is needed in their saving

sergey [27]

Answer:

The continuous yearly interest is 22.5% per year.

Step-by-step explanation:

Continuous yearly interest:

Continuous yearly interest is defined as the sum of the interest comes from principle and the interest comes from interest.

The formula for continuous interest yearly is

$A=Pe^{rt}$

where A = The final amount =$110,000

P= principle =$4,700

r= rate of interest

t= time (in year)= 14 years

$\therefore 110,000= 4,700e^{r\times 14}$

$\Rightarrow e^{14r}= \frac{110,000}{4,700}$

Taking ln both sides

$\Rightarrow ln e^{14r}= ln(\frac{110,000}{4,700})$

$\Rightarrow {14r}= ln(\frac{1100}{47})$

$\Rightarrow r=\frac{ln( \frac{1100}{47})}{14}$

$\Rightarrow r = 0.225$ (approx)

The continuous yearly interest is 0.225 = 22.5% per year.

4 0

3 years ago

Last question , thanks!!! so much

bezimeni [28]

Answer: (1,3)

Step-by-step explanation:

Find the place where the two lines cross. That’s your answer! It’s (1,3).

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vfiekz [6]

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