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3 years ago

I tried 8 and 1 and this is probably and easy question but can you pls help

Mathematics

1 answer:

Anarel [89]3 years ago

5 0

Answer:

perimeter is the outside, so count around the outside for the answer, which is 18

the area is correct though so good job

good luck :)

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Find an equation of the plane passing through (0 comma negative 4 comma 1 )(0,−4,1) that is orthogonal to the planes 55xplus+33y

meriva

Answer:

26x + 15y + 35*z = -25

Step-by-step explanation:

Given the planes:

5x + 3y -5z = 0

-5x + 4y + 2z = 9

First we have to find the cross product of the normal vectors of these planes:

<5, 3, -5> x <-5, 4, 2> = <3*2 - 4*(-5), -[5*2 - (-5)*(-5)], 5*4 - (-5)*3> =

<26, 15, 35>

Then substitute these and the point (0, -4, 1) into the standard plane equation:

ax + by + cz = d

26*0 + 15*(-4) + 35*1 = d

-25 = d

4 0

3 years ago

Fernando followed two diagonal paths, Paths 1 and 2, to get from his house, F, to a neighborhood corner store, C, as shown below

aleksandrvk [35]

Answer:

42 meters

Step-by-step explanation:

Given

See attachment for complete question

Required

Calculate distance FC

FC is calculated as:

$FC = Path\ 1 + Path\ 2$

Where

$Path\ 1 = FB$

$Path\ 2 = BC$

Considering $\triangle FEB$ , we have:

$FB^2 = FE^2 + BE^2$ --- Pythagoras theorem

Where

$FE = FD - BA$

$FE = 22m - 15m$

$FE = 7m$

and

$BE = CD - CA$

$BE = 32m - 8m$

$BE = 24m$

So:

$FB^2 = FE^2 + BE^2$

$FB^2 = 7^2 +24^2$

$FB^2 = 49 +576$

$FB^2 = 625$

Take square roots of both sides

$FB = 25$

So:

$Path\ 1 = 25$

Considering $\triangle BAC$ , we have:

$BC^2 = BA^2 + AC^2$ --- Pythagoras theorem

Where:

$BA = 15$ and $AC = 8$

So, we have:

$BC^2 = 15^2 + 8^2$

$BC^2 = 225 + 64$

$BC^2 = 289$

Take square roots of both sides

$BC = 17$

So;

$Path\ 2= 17$

Recall that:

$FC = Path\ 1 + Path\ 2$

$FC = 25 + 17$

$FC = 42$

6 0

3 years ago

A squirrel in a tree drops an acorn. How long does it take the acorn to fall 24 feet?

GaryK [48]

The time taken by the acorn to fall 1.16 seconds

7 0

3 years ago

For the data set 100, 100, 104, 107, 107, the mean is 103,. What is the mean absolute deviation

Anna35 [415]

Answer:

Mean Absolute Deviation is 3.

Step-by-step explanation:

103-100=3

103-104=1

103-107=4

3+3+1+4+4=15/ the five numbers

15/5= 3

5 0

3 years ago

True or False?<br><br> The 64 oz detergent is the better buy.

Lostsunrise [7]

Answer:

true because if you buy the 4.80 you are paying .80 more and need to by 4 of the small ones to equal the 64 oz and the 62 oz is cheaper for the amount your getting

Step-by-step explanation: please brainliestttt

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3 years ago