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4 years ago

What's the word phrase for 2(5-n)

Mathematics

1 answer:

solmaris [256]4 years ago

5 0

I would say: 2 times 5 less a number.

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The perimeter of an isosceles triangle is 15.6m. Find the lengths of its sides, if:

agasfer [191]

Answer:

so length of sides is 6 .2 m ( other side will also be 6.2 m)

base = 3.2 cm

Step-by-step explanation:

solution

let the length of sides of isosceles triangle is = x

as two sides of of isosceles triangle are equal

let the length of the side be x

so length of side = x

base = x -3 ( as it is 3 m smaller in length )

according to formula of perimeter of isosceles triangle

perimeter = 2 (side) + Base

adding the values

15.6 = 2 (x) + x-3

15.6 = 2x +x -3

15.6 = 3x-3

15.6 = 3( x-1) taking 3 common

dividing both sides by 3

15.6/3 = 3(x-1)/3

5.2 =x-1

or x -1 = 5.2

adding 1 from both sides

x-1 +1 = 5.2 +1

x = 6.2

so length of sides is 6 .2 m ( other side will also be 6.2 m)

base = x-3 = 6.2-3 = 3.2 m

please mark me as brainliest

3 0

4 years ago

find the mean 164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170

shtirl [24]

Answer:

170.72

Step-by-step explanation:

Add up all data values to get the sum

Count the number of values in your data set

Divide the sum by the count

5 0

2 years ago

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What is 9,200 equal in hundreds

cestrela7 [59]

9,200 contains 92 hundreds.
Explanation:
One hundred can go into 9200 92 times
(9,200 % 100)

5 0

4 years ago

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If the number of bacteria in a colony doubles every 210 minutes and the population is currently 8,000 bacteria, what will the po

marin [14]

Answer:

in 630 minutes, the population of the bacteria will 64,000

Step-by-step explanation:

current population of the bacteria = 8,000

and this population doubles every 210 minutes

0 (minute) ------------------------ 8,000 bacteria

210 + 0 (210 minutes) -------------------- 2 x 8,000 = 16,000 bacteria

210 + 210 ( 420 minutes) -------------------- 2 x 16,000 = 32,000 bacteria

420 + 210 (630 minutes) -------------------- 2 x 32,000 = 64,000 bacteria

Therefore, in 630 minutes, the population of the bacteria will 64,000

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4 years ago

What is the square root of 900

maksim [4K]

Answer:

Step-by-step explanation:

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3 years ago

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