Ask question

Ask question

All categories

2 years ago

14

The second term of an arithmetic sequence is 7, the sum of the first four terms in the arithmetic sequence is 12, find the first

term and the common difference

1 answer:

Montano1993 [528]2 years ago

3 0

Consider the following short explanation.
Answer: a1=15; d= -8.

You might be interested in

If f(4) = 5, find f ^-1 (5).

Levart [38]

Answer:

4

Step-by-step explanation:

The relation defined by f includes (4, 5). Then the inverse relation will include (5, 4).

$f^{-1}(5)=4$

7 0

3 years ago

1/4 + 7/8 = ?<br> 2/3<br> 5/8<br> 1 1/8<br> 13/4

Marta_Voda [28]

Answer:

c

Step-by-step explanation:

1/4 + 7/8 =

2/8 + 7/8 Convert the 1/4 to the denominator as 8 so we can add the top number.

9/8 Add the top number.

1 1/8 Simplifly the result.

4 0

2 years ago

Read 2 more answers

What is the surface area of the right prism given below?

Sloan [31]

Answer:

10*15= 150

150 *8= 1,200

1,200 ÷ 2 = 600.

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Two swim clubs are having a membership sale. Aqua Plus is offering a two-year membership for $237.36. Water World is offering an

galina1969 [7]

Divide the price by the number of months to find the monthly rate.
<span>$237.36 ÷ 24 = $9.89 per month </span>
<span>$184.50</span><span> ÷ 18 = $10.25 per month

The two year club, Aqua Plus is cheaper

</span>

8 0

3 years ago

Read 2 more answers

A rock climber ascends 18 3/4 feet to the top of a rock ledge. He descends 8 1/8 feet and takes a break on a rock outcrop. Write

aalyn [17]

Answer:

3

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers