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Alinara [238K]
3 years ago
5

The isosceles triangle has a perimeter of 570m. the third side is 30m shorter than twice the length

Mathematics
1 answer:
erik [133]3 years ago
5 0

Answer:

sides 1 and 2 are 150 m. Side 3 is 270m

Step-by-step explanation:

perimeter = 570 m

sides 1 and 2 = x

side 3 = 2x-30

permeter = side+side+side

570=x+x+2x-30

600=4x

x = 150

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UkoKoshka [18]
150. 

You can read the uppermost point on the graph which is pretty much that point. 
4 0
3 years ago
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amir lent Rs. 600 to hameed for 2 years and Rs. 150 to aman for 4 year and received altogether from both Rs. 90 as simple intere
aniked [119]

Interest = Pin = principal * interest rate * number of years

Let interest rate be i, then
600*i*2+150*i*4=90
1200i+600i = 90
i=90/(1200+600)=90/1800=1/20=0.05 or 5%

8 0
3 years ago
Sarah needs 10 feet of fabric for a project she is working on, but the store only sells the fabric in meters. One meter of fabri
Aleks [24]
<h2>Hello!</h2>

The answer is:

The fabric will cost $4.58

D.$4.58

<h2>Why?</h2>

Since it's a conversion exercise, we need to pay special attention to the conversion procedure.

From the statement we know that:

1ft=0.305m

So, if she needs 10 feet of fabric, we need to convert it to meters, and then, calculate its cost.

We have that:

10*1ft=10*0.305m\\\\10ft=3.05m

Now, we have that each meter of fabric cost $1.50, so, 3.05m of fabric will cost:

\frac{1m}{1.50(dollars)}=\frac{3.05m}{cost}\\\\cost=\frac{3.05m*1.50(dollars)}{1m}=4.575(dollars)=4.58(dollars)

Hence, we have that the cost of the fabric will be $4.58.

The correct option is: D.$4.58​

Have a nice day!

6 0
3 years ago
What heat transfer is Christmas lights radiation or convention or conduction
Firdavs [7]

Answer:

The heat from the sun or heat released from the filament of a light bulb is the example of radiation.

7 0
3 years ago
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Solve for x <br> This is also an octagon if it helps!
Karo-lina-s [1.5K]

Answer:

x = 10

Step-by-step explanation:

it has 8 sides so:

total interior angle degrees = (180° x 8 sides) - 360° = 1080°

11x + 14 + 4x + 87 +2x + 70 + 4x + 31 + x + 92 + 3x + 167 + 5x + 48 + 2x + 251 = 1080°

combine like terms:

32x + 760° = 1080°

subtract 760° from both sides of the equation:

32x = 320°

divide both sides by 32:

x = 10

8 0
3 years ago
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