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Mariulka [41]
3 years ago
11

The first side of a triangle is 8 m shorter than the second side. The third side is 4 times as long as the first side. The perim

eter is 26 m. Find the length of each side.
Mathematics
2 answers:
anyanavicka [17]3 years ago
4 0
<span>1st side is = x-8
2nd side is = x
3rd side is = 4(x-8)
</span><span>Equations - x-8+x+4(X-8)=28
x-8+x+4x-32=28
6x-40=28
6x=68
x = Does is not an equal number.</span>hope this helps, let me know if its right?
Fynjy0 [20]3 years ago
3 0
All you need to do is half base times high 
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maw [93]

Vas happenin!


The answer is

57 pi ft squared


Hope this helps


-Zayn Malik
3 0
3 years ago
Last month a Carpenter made five tables this month he made 80% more than that how many tables do the carpenter make this month
Nataliya [291]

Answer:

9 tables

Step-by-step explanation:

5 × 1.8 = 9

to find how many tables he made you have to multiply the number he made by 1, then .(whatever the percent is)

4 0
3 years ago
Read 2 more answers
A bank account balance, b, for an account starting with s dollars, earning an annual interest rate, r, and left untouched for n
lesya692 [45]
B = 100(1 + 0.04)^12 = 100(1.04)^12 = 100(1.601) = $160.10
8 0
3 years ago
What is the result of 5/6 + 2/3
Goryan [66]
You can convert 2/3 into a fraction that makes adding a lot easier.

Since 3 times 2 is equal to 6, you can multiply the numerator and denominator of 2/3 by 2 to get 4/6.

From there, you add 4/6 + 5/6 to get 9/6.

Since both 9 and 6 are divisible by 3, you can simplify the fraction to 3/2.

Your final answer would be 3/2
Which can also be formatted as 1 1/2 or 1.5
4 0
3 years ago
The circumference of a sphere was measured to be 76 cm with a possible error of 0.5 cm. (a) Use differentials to estimate the ma
andreev551 [17]

The maximum error in the calculated surface area is 24.19cm² and the relative error is 0.0132.

Given that the circumference of a sphere is 76cm and error is 0.5cm.

The formula of the surface area of a sphere is A=4πr².

Differentiate both sides with respect to r and get

dA÷dr=2×4πr

dA÷dr=8πr

dA=8πr×dr

The circumference of a sphere is C=2πr.

From above the find the value of r is

r=C÷(2π)

By using the error in circumference relation to error in radius by:

Differentiate both sides with respect to r as

dr÷dr=dC÷(2πdr)

1=dC÷(2πdr)

dr=dC÷(2π)

The maximum error in surface area is simplified as:

Substitute the value of dr in dA as

dA=8πr×(dC÷(2π))

Cancel π from both numerator and denominator and simplify it

dA=4rdC

Substitute the value of r=C÷(2π) in above and get

dA=4dC×(C÷2π)

dA=(2CdC)÷π

Here, C=76cm and dC=0.5cm.

Substitute this in above as

dA=(2×76×0.5)÷π

dA=76÷π

dA=24.19cm².

Find relative error as the relative error is between the value of the Area and the maximum error, therefore:

\begin{aligned}\frac{dA}{A}&=\frac{8\pi rdr}{4\pi r^2}\\ \frac{dA}{A}&=\frac{2dr}{r}\end

As above its found that r=C÷(2π) and r=dC÷(2π).

Substitute this in the above

\begin{aligned}\frac{dA}{A}&=\frac{\frac{2dC}{2\pi}}{\frac{C}{2\pi}}\\ &=\frac{2dC}{C}\\ &=\frac{2\times 0.5}{76}\\ &=0.0132\end

Hence, the maximum error in the calculated surface area with the circumference of a sphere was measured to be 76 cm with a possible error of 0.5 cm is 24.19cm² and the relative error is 0.0132.

Learn about relative error from here brainly.com/question/13106593

#SPJ4

3 0
2 years ago
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