3 years ago

Find a9 in the arithmetic sequence with a1=-2.75 and d=0.25

Mathematics

1 answer:

AleksAgata [21]3 years ago

3 0

A9=A1+(n-1)
-2.75+(8*0.25)
-2.75+2=-0.75

You might be interested in

Expand and simplify (x+3)(x+5) plsss

Law Incorporation [45]

Answer:

$x^2+8x+15$

Step-by-step explanation:

Use the distributive property of equality to multiply and get:

$x^2+5x+3x+15$

Simplify by combining like terms to get your end result:

$x^2+8x+15$

8 0

3 years ago

he seven problems, which were announced in 2000, are the Riemann hypothesis, P versus NP problem, Birch and Swinnerton-Dyer conj

solniwko [45]

Answer:

Huh these are the world's on solved problems

Step-by-step explanation:

3 0

2 years ago

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? –m + 0.02 + 2.1m = –1.45 –

poizon [28]

since the 2 in 0.02 is in the hundredths place, you need to multiply that by 100 to eliminate the decimal, then you would need to multiply the other numbers by 100 as well

Answer is D) 100

7 0

3 years ago

Read 2 more answers

Which shows an angle that is approximately 40 degrees.

ICE Princess25 [194]

It is a acute I think that is the answer I am in 7th grade so I don’t really know

5 0

3 years ago

The fraction 6/12 can be written as which decimal?

Ivanshal [37]

Answer:

D 0.5

Hope this helps....

7 0

4 years ago

Read 2 more answers