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3 years ago

State when the following equations and inequalities will be true and when they will be false 38= 9k

1 answer:

3 0

The equation 38 = 9k will be true when k equals 38/9. (Do 38 divided by 9 to get k, k equals 38/9, which can't be simplified any more.)

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the sum of the first nine terms of an arithmetic series is 162, and the sum of the first 12 terms is 288. Determine the first fi

Natali5045456 [20]

Answer:

$\boxed{\pink{\tt \leadsto Sum \ of \ first \ five \ terms \ is \ 50 . }}$

Step-by-step explanation:

Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

$\boxed{\red{\bf \bigg\lgroup For \ answer \ refer \ to \ attachment \bigg\rgroup }}$

<h3>Related Information :- </h3>

• The sum of n terms of an AP is

$\boxed{\orange{\sf S_n = \dfrac{n}{2}[2a+(n-1)d] }}$

• nth term of an AP is given by ,

$\boxed{\blue{\sf T_n = a+(n-1)d }}$

8 0

2 years ago

Find the area of the triangle. A drawing of a triangle with base of 18 inches and height of 7 inches. The area is square inches.

Citrus2011 [14]

Answer:

Step-by-step explanation:

First we multiply :)

18 x 7 = 126

Now we divide :)

126/2 = 63

Therefore your answer will be 63. :)

Have an amazing day!!

Please rate and mark brainliest!!

3 0

1 year ago

If Alice give an interest of 90$ for two years and 9% p.a., find the sum she has borrowed .

hodyreva [135]

Refer the attachment for your answer :)

4 0

2 years ago

Please help me, I've been stuck on this problem forever and I need help! Please don't answer with something random to get points

vodomira [7]

1. given
2. measure angle 1 plus measure angle 2 equals 90 degrees
3. B D bisects angle A D C
4. definition of angle bisector
5. definition of congruence
6. measure angle 1 is equal to measure angle 3
7. angle 1 is congruent to angle 3
7. definition of congruence
hope that helps

8 0

3 years ago

John’s bank account increased in value from last year to those year by 8% to $250. If the account increases by the same percenta

inessss [21]

Answer:

$270

Step-by-step explanation:

We are given;

The rate of increase is 8%
The new amount is $250

We need to determine the value in the next year with the same rate of increase;

Therefore;

250% = 100%

New amount = 100 + 8 = 108%

Therefore;

New amount = (250 × 108)÷ 100

= $270

Therefore, the value in the next year is $270

4 0

3 years ago