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1 year ago

What is the area of an isosceles right triangle whose hypotenuse is 5 √2 m long?

Mathematics

1 answer:

tangare [24]1 year ago

5 0

Answer:

Sides other than hypotenuse of an isosceles triangle are equal.

Let the other two sides be x each.

Using pythagoras theorem

=(5

)

=50

⇒x

=25

⇒x=5cm

So the other two sides are 5cm each.

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An individual has 3 different email accounts. Most of her messages, in fact 60% come into account #1, whereas 30%come into accou

laila [671]

Answer:

the probability is 0.02 (2%)

Step-by-step explanation:

defining the event S= the message is spam , then the probability is

P(S) = probability that a randomly selected message comes from account #1 * probability that the message is spam given that the message is from account #1 + probability that a randomly selected message comes from account #2 * probability that the message is spam given that the message is from account #2 + probability that a randomly selected message comes from account #3 * probability that the message is spam given that the message is from account #3 = 0.6 * 0.01 + 0.3 * 0.03 + 0.1 * 0.05 = 0.02 (2%)

thus the probability is 0.02 (2%)

7 0

2 years ago

If 2x - 3y = 24 and 3x + 4y = 2, what is the value of x - y ?

Reika [66]

Answer:

Step-by-step explanation:

2x - 3y = 24 ------ (1)

3x + 4y = 2 ------ (2)

(1) × 4,

8x - 12y = 96 ------ (3)

(2) × 3,

9x + 12y = 6 ------ (4)

(3) + (4)

17x = 96 + 6

= 102

x = 102 ÷ 17

= 6

Sub x = 6 into (2),

3(6) + 4y = 2

18 + 4y = 2

4y = 2 - 18

= -16

y = -16 ÷ 4

= -4

Therefore,

x - y = 6 - (-4)

= 6 + 4

= 10

i hope this helps you !!

7 0

2 years ago

I live in a state with a 6.5% sales tax. What would the tax be for a TV with a

Sedaia [141]

Answer:

Step-by-step explanation:

500*6.5%=32.50 tax

tax is $32.50

total with tax is $532.50

4 0

2 years ago

Please hurry I will mark you brainliest

LenaWriter [7]

Answer:

p = -2

Step-by-step explanation:

px + 2y + 8 = 0

px + 2y = -8

p(4) = -8

p = -2

8 0

2 years ago

Read 2 more answers

The cost of a car rental is thirty dollars a day plus fifteen cents a mile. If the total cost to rent the car was one hundred an

Elan Coil [88]

Answer:

Step-by-step explanation:

Alright, lets get started.

Suppose car was driven x miles in its 4 days trip.

Cost of a car rental is thirty dollar per day.

So, for 4 days, the car rental will be = $30*4=120$ $

For 1 mile, it adds fifteen cents,

So, for x miles, the cost will be = $0.15 x$ $

As per question, total rent is 180 $

Total rent will be = $120 + 0.15 x = 180$

Subtracting 120 in both sides

$0.15 x = 180-120=60$

$x=\frac{60}{0.15}$

$x=400$

It means car was driven 400 miles. : Answer

Hope it will help :)

4 0

2 years ago