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chubhunter [2.5K]
3 years ago
8

Given the 3rd term =3.2 and d=-0.4, find the fourth term.

Mathematics
1 answer:
Marat540 [252]3 years ago
3 0
That is the solution

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What is the length of the second base of a trapezoid if the length of one base is 24 and the length of the mid segment is 19
rodikova [14]
The sum of the two bases is twice the length of the mid segment
24+x=19*2
x=14
6 0
3 years ago
What is the volume of the metal in this heavy-duty pipe? (It is not drawn to scale and the inside of the pipe is empty space.) S
Jlenok [28]
The volume of the pipe is about 282.6 cubic feet.

First, we need to find the area of each circular cross section and subtract them to find the width of the pipe. The area of a circle is pi(r^2).

pi(3^2) - pi(2^2)
28.26 - 12.56 = 15.7

The width of the pipe is 15.7. Now, multiply that by 18 to find the volume.
15.7 x 18 = 282.6
6 0
3 years ago
Pick the number of the equation that matches this sentence. Four times a number less 10 is equal to 16.
Katen [24]

Answer:

2. 4(x-10) = 16

7 0
2 years ago
Which sentence below represents the number of test questions in the problem below?
katrin2010 [14]

Answer: there are 10 multiple choice questions and 15 short-answer questions

Step-by-step explanation:

Let x represent the number of multiple choice questions in the test.

Let y represent the number of short-answer questions in the test.

If the test has 25 questions, it means that

x + y = 25

Multiple-choice questions are worth 2 points, and short-answer questions are worth 4 points. The test is worth a total of 80 points. It means that

2x + 4y = 80 - - - - - - - -1

Substituting x = 25 - y into equation 1, it becomes

2(25 - y) + 4y = 80

50 - 2y + 4y = 80

- 2y + 4y = 80 - 50

2y = 30

y = 30/2 = 15

x = 25 - y = 25 - 15 = 10

A. The number of multiple-choice questions plus the number of short-answer questions is 25.

4 0
3 years ago
4. If a data set is graphed, what type of graph would form if the data shows a direct variation?
Lady bird [3.3K]

A function represents a direct variation if the ratio between the output values and input values is constant. If two quantities vary directly, the points on a graph form a straight line, and the line runs through the origin.

Please leave a Thanks! It helps!

3 0
2 years ago
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