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Viefleur [7K]
3 years ago
15

I WILL GIVE BRAINLIEST!!! In a certain isosceles right triangle, the altitude to the hypotenuse has length 4sqrt2. What is the a

rea of the triangle?

Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0

Step-by-step explanation:

{x}^{2}  +  {x}^{2}  =  {4}^{2}  \\ 2 {x}^{2}  =  {4}^{2}  \\  {x}^{2}  = 8 \\ then \: the \: area \: of \: a \: triangle \: is \\  \frac{1}{2}  \times  {x}^{2}  \\  \frac{1}{2}  \times 8 \\ 4 \: square \: unit

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If x-2y=0 and 3x + y =7 what is the value of x
Agata [3.3K]

Answer:

x=2

Step-by-step explanation:

If 3x + y = 7, then y= 7 - 3x.

Substitute in x - 2y = 0

So:

x - 2(7-3x)=0

x-14+6x=0

7x=14

x=2

6 0
3 years ago
What does x/4=3/2 equal?
MrRissso [65]
x/4 = 3/2
x/2 = 3 (multiply both sides by 2)
x = 6 (multiply both sides by 2)
Therefore 6/4 = 3/2
6 0
3 years ago
Can you guys help me?​
kumpel [21]

Answer:

Step-by-step explanation:

1. y = 2x

       y = 2*4 = 8  Checks, therefore

y = 20  for x = 10

2. y = 3x

       y = 3*(0.3) = 0.9  Checks, therefore:

y =  3*(1.5) = 4.5  

       y = 3*

3. y = 5/x

       y = 5/(1/2) = 10  Checks, therefore:

       3 = 5/x

x = 5/3

4 v = wu

7*3 = 21  Checks, therefore:

v =  (3/4)*(6) = (18/4) = (9/2)

v = (2/3)wu

v = (2/3)*7*3 = 14 Checks

5 m = Kn/p  [Add the K as a constant that will make m = Knp true at some value of K]

9 = K*2/(1/3)

27 = (K*2)

27 = 2K

K = (3/2)

       m = (3/2) (n/p)

       m = (3/2)*((1/2)/(1/3))

        m = (3/2)*(3/2)

        m = 1

   

7 0
3 years ago
How many hundreds in 43617
Nana76 [90]
There are 436 hundreds in 43617.
You can find this by dividing 43617 by 100 and rounding down to the nearest whole number (note: with this method, you have to round down).

Hope this helps :)
7 0
3 years ago
Read 2 more answers
Mandy and Jeff start running around the track in the same direction at the same time. Mandy runs one lap in 2 minutes and 30 sec
Savatey [412]

Answer:

At 8:52:30 am they will be side-by-side again

Step-by-step explanation:

Let s be the distance ran in one 1 lap.

Here Jeff runs one extra lap compared to Mandy for coming side by side again.

Mandy runs one lap in 2 minutes and 30 seconds = 150 s

Speed of Mandy, =\frac{s}{150}

Jeff runs one lap in 2 minutes and 15 seconds = 135 s

Speed of Jeff, =\frac{s}{135}

Let t be the time when Jeff run one extra lap,

That is

              t\times \frac{s}{135}-t\times \frac{s}{150}=s\\\\t\left ( \frac{1}{135}-\frac{1}{150}\right )=1\\\\t\times \frac{15}{135\times 150}=1\\\\t=1350s

So after 1350 seconds Jeff comes side by side to Mandy,

They both start at 8:30 am

             1350 s = 22.5 minutes = 22 minutes 30 seconds

          Time = 8:52:30 am

3 0
3 years ago
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