1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nimfa-mama [501]
3 years ago
7

Find the 15th term of the arithmetic sequence if a1 = -3 and d = 2

Mathematics
1 answer:
pantera1 [17]3 years ago
3 0

Answer:

25

Step-by-step explanation:

a1 = - 3               Given

d = 2                   Given

n = 15                  Given

Formula

tn = a1 + (n - 1) * d

Substitute and solve

t15 = -3 + (15 - 1) * 2               Calculate what's in the brackets.

t15 = -3 + 14*2                        Combne

t15 = -3 + 28                          Add the two terms

t15 = 25


You might be interested in
Find the area of the composite figure
-BARSIC- [3]

Answer:

48 ft^2

Step-by-step explanation:

5.5 times 6 equals 33 (larger square part)

2.5 times 6 equals 15 (two triangles combined so you dont have to 1/2)

4 0
3 years ago
A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7 if you want to cooy back to its original size by what
slamgirl [31]

Answer:

1/7

Step-by-step explanation:

Given that:

Using a scale factor of 7 ; the dimension of a rectangle is : 2 inches by 3 inches

In other to obtain the original size of the rectangle, all that is needed is to multiply the sacl d dimension by the reciprocal of the initi. Scale factor used, that is 1 / 7

This gives :

(2 inches by 3 inches) * 1/7

2/7 inches by 3/7 inches

Hence, required scale factor is 1/ 7

3 0
3 years ago
Sabrina rides her bike 2 miles to school each day she leaves her house 7:30 and arrives at 7:50 What is Sabrina's average speed
MakcuM [25]

6 mph.

To find this, create a ratio.

2/20 = x/60

This will allow you to compare here time of twenty minutes to an hour in the same context.

Multiply 2 by 60 and divide by 20 to get the answer of 6 mph.

Thus, Sabrina's average speed in miles per hour is six miles per hour.

Hope this helps!

7 0
2 years ago
The replacement set for an equation is {10, 24, 25, 36}. The equation is represented by the sentence, "56 of a number is 30." Wh
Margaret [11]

Answer:

The answer is {36}

Step-by-step explanation:

I took the quiz hope this helps

4 0
2 years ago
The area of a regular hexagon circumscribed about a circle with radius 2 is _______________.
Yuliya22 [10]

Answer:

relate the values and find the correct answer

7 0
3 years ago
Read 2 more answers
Other questions:
  • Is a fraction a numerical or algebraic <br><img src="https://tex.z-dn.net/?f=%20%20%5Cfrac%7Bn%7D%7B4%7D%20" id="TexFormula1" ti
    11·1 answer
  • a rectangle has a width of 4 cm and a length of 8cm is scaled by a factor of 6.what are the side lengths of the scaled copy
    7·2 answers
  • What is 7 1/6 subtract 3 5/6 in simplest form
    10·2 answers
  • 4d+15 is equal to or greater than -1
    12·1 answer
  • Write two division expressions that have the same value as 36.8 divided by 2.3 (16)
    7·1 answer
  • Solve for x. Assume that lines which appear tangent are tangent. X=
    12·2 answers
  • Plzzzzz can any one help me I don’t understand :(
    7·1 answer
  • A corner store sells two kinds of baked goods: cakes and pies. A cake costs $7 and a pie costs $6. In one day, the store sold 10
    5·1 answer
  • Please show your work I’m trying to learn 35.60 x 2.07
    7·2 answers
  • Which equation represents the line that passes through the point (3, –1) and is perpendicular to the graph of x + 4y = 10?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!