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LiRa [457]
2 years ago
14

Find the value of the expression 2 1/2 2 +h. for h 3 4 Write your answer as a fraction or as a whole or mixed number.​

Mathematics
2 answers:
mrs_skeptik [129]2 years ago
7 0
9/4 + 3/4 = 12/4 divide by 4 and the answer is 1/3.
wariber [46]2 years ago
6 0

Answer:

3

Step-by-step explanation:

2 1/4 + h = 2 1/4 + 3/4 = 9/4 + 3/4 = 12/4 = 3

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What is the sum of the arithmetic series
docker41 [41]

Answer:

S_ {12} = 192

Step-by-step explanation:

The nth term of the given arithmetic sequence is

U_n = 3 + 2n

The first term of this series is:

U_1 = 3 + 2(1) = 5

The last term of this series is when

n = 12

U_ {12}= 3 + 2(12)

U_ {12}= 3 + 24 = 27

The sum of the first n terms of an arithmetic series when the first an last term is known is given by:

S_n =  \frac{n}{2}(a + l)

Where a=5 is the first term and l=27 is the last term.

S_ {12} =  \frac{12}{2}(5 + 27)

S_ {12} =6(32) =19 2

6 0
3 years ago
The expression 3P2 represents the number of ways of:?
Vsevolod [243]
The expression 3P2 can also be read as "permutation of 3 taken 2". This represents the number of ways in which the 3 items are arranged with the emphasis on the arrangement of the first two other items. 
5 0
3 years ago
Read 2 more answers
Sketch the graph of this linear equation<br>4y = -7x + 1​
jonny [76]

Answer:

use desmos to graph it

.....

6 0
3 years ago
Can someone tell me what is 9x46288
Bad White [126]
Answer: 416,592

Hope this helps!
4 0
1 year ago
3x+y=115x-y=21 Directions: Solve each system of equations by elimination. Clearly identify your solution.
olchik [2.2K]

To solve, we will follow the steps below:

3x+y=11 --------------------------(1)



5x-y=21 ------------------------------(2)

since y have the same coefficient, we can eliminate it directly by adding equation (1) and (2)

adding equation (1) and (2) will result;

8x =32

divide both-side of the equation by 8

x = 4

We move on to eliminate x and then solve for y

To eliminate x, we have to make sure the coefficient of the two equations are the same.

We can achieve this by multiplying through equation (1) by 5 and equation (2) by 3

The result will be;

15x + 5y = 55 ----------------------------(3)

15x - 3y =63 --------------------------------(4)

subtract equation (4) from equation(3)

8y = -8

divide both-side of the equation by 8

y = -1

8 0
1 year ago
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