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Ierofanga [76]
3 years ago
8

5/9 - 2/5 = and what is 1/2-1/9 =

Mathematics
1 answer:
Arada [10]3 years ago
7 0

Answer: 7/45, 7/18

Step-by-step explanation:5/9 - 2/5 = 25/45 - 18/45 = 25 - 18/45 = 7/45

and 1/2 - 1/9 = 9/18 - 2/18 = 7/18

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Daryl invested $2,200 for 3 years. He received interest of $264. What was the interest rate?
Klio2033 [76]

Answer:

4%

Step-by-step explanation:

264 interest/3 years=88 interest/year

principal x interest rate =interest/year

2200 x interest rate =88

interest rate =88/2200

interest rate =.04 or 4%

8 0
3 years ago
PLEASE HELP, MARKING BRAINLIEST!!!!<br><br> What is the value of x??
Montano1993 [528]

Answer:

10

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Find an expression for the nth term ( tn ) in each of the following sequences:
Alexandra [31]

Answer:

The expression for the nth term is Tn = 8n -7

Step-by-step explanation:

Here, we are to find an expression for the nth term of the sequence.

Mathematically, the nth term of an arithmetic sequence can be expressed as;

Tn = a + (n-1)d

for T2, the equation is

a + d = 9

for T4, the equation is

a + 3d = 25

we can substitute the equation of T2 into T4 but we first need to rewrite T4

a + d + 2d = 25

9 + 2d = 25

2d = 25 -9

2d = 16

d = 16/2

d = 8

now since a + d = 9

a = 9-d

a = 9-8

a = 1

So the expression for the nth term would be;

1 + (n-1)8

1 + 8n - 8

= 8n -8+1

= 8n -7

6 0
3 years ago
Multiply. Do not round your answer.<br><br> 6.9 × 1.221 = <br><br><br> Thanks :D
Ann [662]

Answer:

8.4249 ur answer....

hope it helps

6 0
3 years ago
4.2z + 3.8z simplify the expression ​(Use the operation symbols in the math palette as needed. Simplify your answer. Use whole n
alexandr1967 [171]

Answer:

8z

Step-by-step explanation:

Since these are like terms, add the numbers together and then put the z on.

4 0
3 years ago
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