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DanielleElmas [232]
2 years ago
10

I need to solve 5 :(

Mathematics
1 answer:
GuDViN [60]2 years ago
8 0

Answer:

the distance between df is just 2dj so i belive its 12.

Step-by-step explanation:

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If sum of first 6 digits of AP is 36 and that of the first 16 terms is 255,then find the sum of first ten terms.
Cloud [144]

Answer:

100

Step-by-step explanation:

We have the sum of first n terms of an AP,

Sn = n/2 [2a+(n−1)d]

Given,

36= 6/2 [2a+(6−1)d]

12=2a+5d ---------(1)

256= 16/2 [2a+(16−1)d]

32=2a+15d ---------(2)

Subtracting, (1) from (2)

32−12=2a+15d−(2a+5d)

20=10d ⟹d=2

Substituting for d in (1),

12=2a+5(2)=2(a+5)

6=a+5 ⟹a=1

∴ The sum of first 10 terms of an AP,

S10 = 10/2 [2(1)+(10−1)2]

S10 =5[2+18]

S10 =100

This is the sum of the first 10 terms.

Hope it will help.

4 0
2 years ago
Read 2 more answers
When they say solve the product in the lowest terms what do they mean?
m_a_m_a [10]

when people say " in lowest terms" they usually mean like the simplified version of an answer

an example of this would be like

make \frac{2}{4} into lowest terms

the answer would be \frac{1}{2}

if you dont understand comment on this and ill try to break it down more

8 0
3 years ago
How do you divide 270 into 3000
chubhunter [2.5K]
         3000
       /   270
        ______
        11.111111111111111111111111r

      r = reoccurring 
4 0
3 years ago
Help with me with this please!!!!<br><br> Find the unknown side length, x
Nadya [2.5K]

Answer:

B

Step-by-step explanation:

5^2 - 3^2 = 4^2 So you know that 4 is the height. 4^2 + 7^2 is 65. Find the square root. Square root of 65.

4 0
3 years ago
Justin deposited $2,000 into an account 5 years ago. Simple interest was paid on the account. He has just withdrawn $2,876. What
RSB [31]

Answer: 8.76%

Step-by-step explanation:

The formula to find the simple interest is given by :-

I=Prt, where P is the principal amount, r is rate of interest () in decimal and t is the time ( in years).   (1)

Given : Justin deposited $2,000 into an account 5 years ago.

i.e. P = $2,000 ,  t= 5 years

He has just withdrawn $2,876. i.e. Future value = $2,876

Interest (I)=$2,876-$2,000=$876  [Subtract Principal value from Future value]

Substitute all the above values of P , t , and I in the formula (1) , we get

876 =(2000)r(5)\\\\\Rightarrow\ r=\dfrac{876 }{2000\times5}\\\\\Rightarrow r=\dfrac{876}{10000}=0.0876

In percent , r=0.0876\times100=8.76\%

Hence, the rate of interest = 8.76%

6 0
3 years ago
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