The missing coordinate r is 11.
Solution:
Given points are (–15, 1) and (–7, r).
Slope (m) = 
<u>To find the missing coordinate r:</u>
Slope formula:
Substitute the given values in the formula.
Do cross multiplication.
40 = 4r – 4
Add 4 on both side of the equation.
44 = 4r
Divide by 4 on both side of the equation.
11 = r
⇒ r = 11
Hence the missing coordinate r is 11.
its 459.................................................
Answer:it is 4.5
Step-by-step explanation:
9514 1404 393
Answer:
A. 2.1
Step-by-step explanation:
Put the numbers in the equation and do the arithmetic.
1/R = 1/(3 1/2) +1/(5 1/4)
1/R = 1/(7/2) +1/(21/4) = 2/7 +4/21 = (6 +4)/21
R = 1/(10/21) = 21/10
R = 2.1
<h2>~<u>Solution</u> :-</h2>
According to the given question, we have to find the simplified form of the given expressions. Here, we have been given;
<h3>★ <u>Equation</u> 1 :-</h3>
- Hence, (6 + 3)2 - 4 is equals to 14.
<h3>★ <u>Equation</u> 2 :-</h3>
- Hence, 23 + (14 - 4) ÷ 2 is equals to 28.
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