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3 years ago

Find the area of this triangle.

Mathematics

1 answer:

Misha Larkins [42]3 years ago

6 0

Answer:

72 m

Step-by-step explanation:

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Use the distance formula to determine the distance between (-8,10) and (-6,7)

hjlf

Answer:

Distance: $\sqrt{13}$ units

Step-by-step explanation:

The distance formula is $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ where:

$d$ is the distance between points $(x_1,y_1)$ and $(x_2,y_2)$
$(x_1,y_1)$ are the coordinates of the first point
$(x_2,y_2)$ are the coordinates of the second point

We are given that:

$(x_1,y_1)=(-8,10)$
$(x_2,y_2)=(-6,7)$

To determine the value of our distance, $d$ , we plug in our given information into the formula and solve for

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$d=\sqrt{(-6-(-8))^2+(7-10)^2}$

$d=\sqrt{(-6+8)^2+(-3)^2}$

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

$d=\sqrt{4+9}$

$d=\sqrt{13}$

Therefore, the distance between $(-8,10)$ and $(-6,7)$ is $\sqrt{13}$ units.

See the attached graph for a visual.

5 0

3 years ago

For the function f(x) = x2<br> Find f(5) = <br><br> Find f(-5)

vladimir1956 [14]

Answer:

f(5)=(5)²=25

f(-5)=(-5)²=25

NB. Some teachers don't want 2 equals on one line, if it's your case please don't write the 2 equals on the same line

3 0

3 years ago

What is -2t-5t ? is it -7t or is it something else?

Amiraneli [1.4K]

Answer:

-7t

Step-by-step explanation:

you are correct

5 0

3 years ago

How do i solve this

Mars2501 [29]

Answer:

it's going to be no solutions. it cancels itself out

Step-by-step explanation:

6x+6-3x=6+3x

3x+6=6+3x

6 0

3 years ago

The figure shows two triangles on the coordinate grid: A coordinate grid is shown from positive 6 to negative 6 on the x-axis an

pentagon [3]

Answer:

A 180 degree counterclockwise rotation about the origin followed by a translation 5 units to the right

Step-by-step explanation:

4 0

4 years ago