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fgiga [73]
2 years ago
15

Find missing side then find perimeter Brainiest answer to whoever is first

Mathematics
1 answer:
Alik [6]2 years ago
5 0

Answer:

look down

Step-by-step explanation:

the missing side is \sqrt{52} so the perimeter is 34+2\sqrt{13}

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A bus travels 168 km on 14 litres of petrol how far will it travel on 27 litre​
wariber [46]

Answer:

324 km

Step-by-step explanation:

5 0
2 years ago
The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form.
Y_Kistochka [10]

Answer:

(x-1)²+ (y-0.5)²=6.25

Step-by-step explanation:

<u>The standard form of equation of a circle is;</u>

(x-a)²+(y-b)²=r² where (a,b) are the center of the circle and r is the radius

<u>Finding the mid-point of the given points</u>

(-1,2) and (3,-1)⇒midpoint will be 1/2(x₁+x₂) , 1/2(y₁+y₂)

midpoint= {1/2(-1+3), 1/2(2+-1)}

midpoint=(1,0.5)

<u>Finding the radius r; the distance from the center to either of the given two points</u>

Apply the distance formula d=√ (x₂-x₁)² +(y₂-y₁)²

Taking (x₁,y₁) as (1,0.5) and (x₂,y₂) as (-1,2) then

d=√ (-1-1)² +(2-0.5)²

d= √ (-2)²+(1.5)²

d=√4+2.25⇒√6.25⇒2.5

r=2.5

<u>Equation of the circle</u>

(x-1)² + (y-0.5)²=2.5²

(x-1)²+ (y-0.5)²=6.25

3 0
3 years ago
PLS HELP ME I HAVE ONLY 10 MINS
anastassius [24]
Sorry habibti it’s okay tho f school
8 0
2 years ago
A train is traveling at a constant speed of 90 miles per hour. How many feet does it travel in 10 seconds? Remember that 1 mile
Flauer [41]

Hi

1 mile = 5280 feet  

at  90 mile per hour, you have  5280 *90  = 475 200 feets  

an hour is  60*60 = 3600 second  

so in 1 second the train travel  :  475 200 /3600 = 4752 /36 = 132 feets

so in 10 seconds  :  132*10 = 1320 feets.

7 0
3 years ago
N x n x n^4/ n^2<br> write as a single power.
bekas [8.4K]
N^4

1 + 1 + 4 - 2 = 4

Mark brainliest
5 0
2 years ago
Read 2 more answers
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