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jeka94
3 years ago
7

Please help me i’m confused

Mathematics
1 answer:
mafiozo [28]3 years ago
3 0
Sorry but i’m confused too
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Perimeter of a mirror is 260. The length is x cm. Find the height of the mirror in terms of x
Elenna [48]

\bf \textit{perimeter of a rectangle}\\\\ P=2(L+h)~~ \begin{cases} L=length\\ h=height\\[-0.5em] \hrulefill\\ P=260\\ L=x \end{cases}\implies 260=2(x+h) \\\\\\ \cfrac{260}{2}=x+h\implies 130=x+h\implies 130-x=h

4 0
3 years ago
Find f(2) for the following functions: f(x) = x - 14
BaLLatris [955]

Answer:

<h2>f(2) = - 12</h2>

Step-by-step explanation:

f(x) = x - 14

To find f(2) substitute the value of x that's 2 into f(x). That is for every x in f(x) replace it with 2

We have

f(2) = 2 - 14

We have the final answer as

<h3>f(2) = - 12</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
Select the correct answer.
morpeh [17]

Answer:

The answer is B

Step-by-step explanation: Hope this helps

3 0
2 years ago
Given the perimeter of a rectangle and either the length or​ width, find the unknown measurement using the appropriate formula.
Ad libitum [116K]
The width is 18.

step by step:
1. 2 lengths are 20 which is 20+20 that's 40.
2. 76-40= 36
3. Two widths are 36 cm.
4. so do 36÷2 and that equals 18
8 0
3 years ago
Read 2 more answers
Hypotenuse of triangle with sides of 36 and 39
worty [1.4K]

Answer: The hypotenuse is 53 (approximately)

Step-by-step explanation: In this question we shall apply the Pythagoras theorem which states that;

AC^2 = AB^2 + BC^2

Where AC is the hypotenuse and AB and BC are the two other sides. Having been given that the two other sides are 36 and 39 units respectively, the hypotenuse is now,

AC^2 = 36^2 + 39^2

AC^2 = 1296 + 1521

AC^2 = 2817

Add the square root sign to both sides of the equation

AC = 53.0754

Therefore the hypotenuse is approximately 53 units.

8 0
3 years ago
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