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Free_Kalibri [48]

2 years ago

6

Ron and Hermione are lifting feathers into the air with magic. Hermione can lift a feather 3,525 centimeters[cm] into the air. T

hat is 5 times as high as Ron can lift a feather.
How high can Ron lift a feather with his magic?

2 answers:

Citrus2011 [14]2 years ago

5 0

Answer:

705

Step-by-step explanation:

BigorU [14]2 years ago

4 0

705 all you have to do is divide 3525 by 5

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On a coordinate plane, triangles R S T and L M N are shown. Triangle R S T has points (5, 5), (2, 1), and (1, 3). Triangle L M N

ivolga24 [154]

Answer:

LMN has a larger area

Step-by-step explanation:

Given

RST

$R =(5,5)$

$S= (2,1)$

$T = (1,3)$

LMN

$L = (0,-1)$

$M= (2,-4)$

$N= (-2,-3)$

Required

Compare both areas

The area of triangle is:

$Area = \frac{1}{2}|x_1y_2 - x_2y_1 + x_2y_3 - x_3y_2 + x_3y_1 - x_1y_3|$

For RST, we have:

$Area = \frac{1}{2}|5*1 - 2*5 + 2*3 - 1*1 + 1*5 - 5*3|$

$Area = \frac{1}{2}|-10|$

Remove absolute signs

$Area = \frac{1}{2}*10$

$Area = 10$

For LMN, we have:

$Area = \frac{1}{2}|x_1y_2 - x_2y_1 + x_2y_3 - x_3y_2 + x_3y_1 - x_1y_3|$

$Area = \frac{1}{2}|0*-4-2*-1+2*-3--2*-4--2*-1-0*-3|$

$Area = \frac{1}{2}|-14|$

Remove absolute signs

$Area = \frac{1}{2}*14$

$Area = 7$

<em>By comparing both areas, we can conclude that LMN has a larger area</em>

3 0

2 years ago

I need help help given

Tanya [424]

The answer is most likely to be B

5 0

2 years ago

If 72 = 12x, what does x equal?

CaHeK987 [17]

Answer:

x=6

Step-by-step explanation:

So, x is our unknown variable. An so you have to ask yourself, what times 12= 72? The answer would be 6, because 12x6=72

The proper way to do it, would be to divide 12/12 so you isolate the variable, and what you do to one side, you do to the other, so divide 72 by 12 and you get 6! Hope this helps!

6 0

2 years ago

bella types at a constant rate of 42 per minute. is the number of words she can type proportional to the number of minutes she t

Ksivusya [100]

Yes I think so because she write 42 per minute the question doesn't tell you anything else.
I am not sure :(

8 0

2 years ago

What is the slope of (-7, 0), (-7, -6)?

Bess [88]

Answer:

A line passes (-7, 0), (-7, -6).

These two passed points have same x-component (x = -7).

=> This is the line which has equation: x = -7.

This is a vertical line (parallel with y axis) and the slope is undefined.

Hope this helps!

:)

3 0

2 years ago