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Amiraneli [1.4K]
4 years ago
10

Three consecutive intergers have a sum of 84. Find the intergers ___,___,___,

Mathematics
1 answer:
Fudgin [204]4 years ago
8 0

Answer:

27 + 28 + 29 = 84

Step-by-step explanation:

x + (x+1) + (x+2) = 84

3x + 3 = 84

84 - 3 = 81

81 / 3 = 27

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Plz plz plz help me....
olga2289 [7]

Answer:

Let the tens digit of the required number be x and the units digit be y. Then,

x+y=12 .........(1)

Required Number = (10x+y).

Number obtained on reversing the digits = (10y+x).

Therefore,

(10y+x)−(10x+y)=18

9y−9x=18

y−x=2 ..........(2)

On adding (1) and (2), we get,

2y=14⟹y=7

Therefore,

x=5

Hence, the required number is 57.

Step-by-step explanation:

Hope it is helpful...

6 0
3 years ago
Read 2 more answers
45% of 156 is what number?
riadik2000 [5.3K]

Answer:

x = 70.2

Step-by-step explanation:

<u>Step 1:  Make an expression</u>

45% of 156 is what number

156 * 0.45 = x

<u>Step 2:  Multiply</u>

<u />156 * 0.45 = x

70.2 = x

Answer:  x = 70.2

7 0
4 years ago
Read 2 more answers
he exponential model Upper A equals 347.5 e Superscript 0.024 t describes the​ population, A, of a country in​ millions, t years
yulyashka [42]

Answer:

The population of the country will be 510 million during the year of 2018.

Step-by-step explanation:

The exponential model for the population, in millions, t years after 2003 is.

P(t) = 347.5e^{0.024t}

Use the model to determine when the population of the country will be 510 million.

t years after 2003, in which t is found when P(t) = 510. So

P(t) = 347.5e^{0.024t}

510 = 347.5e^{0.024t}

e^{0.025t} = \frac{510}{347.5}

Applying ln to both sides, so we can find t

\ln{e^{0.025t}} = \ln{\frac{510}{347.5}}

t = \frac{\ln{\frac{510}{347.5}}}{0.025}

t = 15.35

15.35 years after 2003, so during the year of 2018.

The population of the country will be 510 million during the year of 2018.

6 0
4 years ago
Pls help and can you show me how you solved it
CaHeK987 [17]
You are right with multiplying 100 and 3. An easier way to do it is to divide 300 and 4, so you can get the blank.

4 0
4 years ago
The radius of a circle is 18 in. Find its circumference in terms of \piπ.
Ghella [55]

Hi!

circumference of a circle = 2\pi r<u>.</u>

<u />2\pi 18

36\pi inches

<em />

<em>(if you use 3.14 as pi, then it would be 113.04 inches)</em>

<em />

<u><em>For more information, see:</em></u>

brainly.com/question/15747260 (extremely good answer!)

brainly.com/question/12259848

<em />

<em />

<u />

3 0
2 years ago
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