All categories

3 years ago

I have an exercice in statistics, but I absolutely don't know how to answer the question. Could you please guys help?

Mathematics

1 answer:

Nataly [62]3 years ago

6 0

Answer:

0.01

Step-by-step explanation:

Y and X is y

You might be interested in

Triangle ABC has vertices at A(-2,1), B(-2,-3), and C(1,-2). What is the area of the triangle? a 18 square units b 9 square unit

natka813 [3]

Answer:

Option C. 6 square units

Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.

Let

a,b,c be the lengths of the sides of a triangle.

The area is given by:

$A=\sqrt{p(p-a)(p-b)(p-c)}$

where

p is half the perimeter

p= $\frac{a+b+c}{2}$

we have

Triangle ABC has vertices at A(-2,1), B(-2,-3), and C(1,-2)

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

step 1

Find the distance AB

$d=\sqrt{(-3-1)^{2}+(-2+2)^{2}}$

$d=\sqrt{(-4)^{2}+(0)^{2}}$

$dAB=4\ units$

step 2

Find the distance BC

$d=\sqrt{(-2+3)^{2}+(1+2)^{2}}$

$d=\sqrt{(1)^{2}+(3)^{2}}$

$dBC=\sqrt{10}\ units$

step 3

Find the distance AC

$d=\sqrt{(-2-1)^{2}+(1+2)^{2}}$

$d=\sqrt{(-3)^{2}+(3)^{2}}$

$dBC=\sqrt{18}\ units$

step 4

$a=AB=4\ units$

$b=BC=\sqrt{10}\ units$

$c=AC=\sqrt{18}\ units$

Find the half perimeter p

p= $\frac{4+\sqrt{10}+\sqrt{18}}{2}=5.70\ units$

Find the area

$A=\sqrt{5.7(5.7-4)(5.7-3.16)(5.7-4.24)}$

$A=\sqrt{5.7(1.7)(2.54)(1.46)}$

$A=\sqrt{35.93}$

$A=6\ units^{2}$

7 0

3 years ago

You want to purchase a house in 5 years. You estimate its cost as $150,000 and you want to make a 20% down payment. How much do

HACTEHA [7]

Answer:

500.00

Step-by-step explanation:

6 0

3 years ago

What is the volume that can fit exactly 128 cubes with 1/2 inch sides?

aleksandrvk [35]

I think it is 64 cause i multiplied

8 0

3 years ago

128 is the product of hectors score and 8<br><br><br> Fastest answer will be the brainliest

Inga [223]

Answer:

The equation would be 8h= 128

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

F(x) = 7|x| awnser the question for some points

Eddi Din [679]

f(x) = 7|x|

if x= 1

then f(x) = 7

5 0

3 years ago

Read 2 more answers