3 years ago

Find the hypotenuse of a right triangle with side lengths of 4 and 13. Round your answer to one decimal place.

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

6 0

Answer:

c≈13.6

Step-by-step explanation:

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Tony is trying to find the solution of the system 2x - 4y +12 using elimination 3x + 4y = 48 He wrote these steps to solve the p

kobusy [5.1K]

Answer: Solution: (12, 3)

Step-by-step explanation:

2x - 4y = 12

3x + 4y = 48

Add both equations

5x = 60

Divide both sides by 5

x = 12

We can use the value of x to find y

3x + 4y = 48

3 (12) + 4y = 48

36 + 4y = 48

Subtract 36 from both sides

4y = 12

Divide both sides by 4

y = 3

Solution: (12, 3)

7 0

3 years ago

Order these numbers from least to greatest. 5 10/11 117/20 5.84 5.822

Sliva [168]

Least to greatest: 5 10/11 , 5.822 , 5.84, 117/20.

8 0

3 years ago

Please help !!!!!!!!!!!!!

arlik [135]

Answer:

Step-by-step explanation:

7 0

3 years ago

1. The sum of first n terms of an arithmetic sequence is 3n²+4n

valentina_108 [34]

Answer:

Step-by-step explanation:

$a_1=S_1=3\cdot1^2+4\cdot1=3+4=7$

$a_1+a_2=S_2\\\\a_1+a_1+d=3\cdot2^2+4\cdot2\\\\7+7+d=3\cdot4+8\\\\14+d=12+8\\\\d=6\\\\\\a_n=a_1+d(n-1)\\\\a_n=7+6(n-1)\\\\a_n=7+6n-6\\\\\underline{a_n=7n+1}$

$a_{20}=7\cdot20+1=141$

5 0

3 years ago

A line contains the points (-5, 3) and (0, -7). What is the equation of this line in slope-intercept form?

pychu [463]

Answer:

D. y = –2x – 7

Step-by-step explanation:

First, find the rate of change [slope]:

-y₁ + y₂\-x₁ + x₂ = m

$- \frac{3 - 7}{5 + 0} = -\frac{10}{5} = -2$

In this case, the y-intercept of [0, -7] is ALREADY given to you, so we would not have to go further in this case.

I am joyous to assist you anytime.

8 0

3 years ago

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