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3 years ago

What is 6+4? I am so confused HELPPPPPP MEEEEE

Mathematics

1 answer:

katovenus [111]3 years ago

3 0

Answer:

6 + 4 = 10

Step-by-step explanation:

This is the normal answer but if you meant monkey math then it is: 6 + 4 = 64

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Show that the points A(-1,2), B (5,2) and C (2,5) are the vertices of an isosceles triangle. Find the area of ∆ABC

EastWind [94]

Answer:

the area of ∆ABC = 9

Step-by-step explanation:

$CA=\sqrt{\left( -1-2\right)^{2} +\left( 2-5\right)^{2} } = \sqrt{18} =3\sqrt{2}$

$CB=\sqrt{\left( 5-2\right)^{2} +\left( 2-5\right)^{2} } = \sqrt{18} =3\sqrt{2}$

<em>Since</em> CA = CB <em>then</em> A(-1,2), B (5,2) and C (2,5) are the vertices of an isosceles triangle.

Area calculation:

Let The point H be the midpoint of side AB

$x_{H}=\frac{-1+5}{2} =2\\y_{H}=\frac{2+2}{2} =2$

Then

H(2 , 2)

therefore,

$CH=\sqrt{\left( 2-2{}\right)^{2} +\left( 2-5\right)^{2} } =3$

Finally,

$\text{the area of triangle ABC} =\frac{\text{CH} \times \text{AB} }{2} =\frac{3\times 6}{2} =9$

5 0

2 years ago

A ship traveled for 4 hours heading west and for 5 hours heading north. If the total distance traveled was 119 miles, and the sh

Eduardwww [97]

To answer this problem, we will use the formula of hypotenuse:

c^2 = a^2 + b^2

Where,

c = total distance traveled / displacement = 119 miles

<span>a = distance traveled north = 5 hours * x mph = 5 x</span>

b = distance traveled west = 4 hours * (x + 5) mph = 4 (x + 5)

Substituting to the equation:

119^2 = (5 x)^2 + [4(x + 5)]^2

14,161 = 25 x^2 + 16 (x + 5)^2

14,161 = 25 x^2 + 16 (x^2 + 10 x + 25)

14,161 = 25 x^2 + 16 x^2 + 160 x + 400

0 = 41 x^2 + 160 x – 13,761

x =[ - b ± sqrt (b^2 – 4ac)]/ 2a

x = [- 160 ± sqrt (160^2 – 4 * 41 * (– 13,761))] / 2 * 41

x = - 1.95 ± 18.42

x = -20.37 , 16.47

Since speed cannot be negative, therefore x = 16.47

Therefore the speed of the ship travelling west is:

<span>x + 5 = 21.47 mph (ANSWER)</span>

4 0

3 years ago

Would you expect the rates of change of a car's speed during a drive through a city to be constant or variable?

laiz [17]

Answer:Variable

Step-by-step explanation:

The speed would always be changing, meaning varying. It would not be a static speed or constant speed.

8 0

3 years ago

. Suppose the coordinate of A is 0 and AR = 5 and AT = 7.

ASHA 777 [7]

<h3>Possible coordinates of R = -5 or 5</h3><h3>Possible coordinates of T = -7 or 7</h3>

==================================================

Explanation:

If we're on a number line, then R could be at either R = 5 or R = -5. This is so the distance from A to R is 5 units. Distance is never negative. You count out the spaces to get the distance, or use subtraction and absolute value.

Saying "distance from A to R is 5" can be written as AR = 5. Meaning segment AR is 5 units long.

Now if AT = 7, then T could be at 7 or -7 on the number line. The reasoning as similar as to why R could be at -5 or 5.

8 0

4 years ago

Discussion Topic

jeyben [28]

Data can be analysed in a situation when one wants to know how increase in price has an effect on purchasing power.

<h3>What is a trend?</h3>

It should be noted that a trend simply means the general direction or price over a period of time. A situation when I need data was when I wanted to know how increase in prices had an effect in one's purchasing power.

To get the data, I had to take the prices of goods when there was no inflation and prices when there was inflation and how they had an impact on income.

It showed that an inverse relationship existed as an increase in prices had a negative impact on one's purchasing ability.

Learn more about data on:

brainly.com/question/19243813

5 0

3 years ago