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qaws [65]
3 years ago
8

Pls help I’ve been stuck on this for a while

Mathematics
1 answer:
White raven [17]3 years ago
7 0

Answer:

Maybe 60

Step-by-step explanation:

I don't know just please guess sorry but can you mark as brainiest.

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Question 12<br> With steps please
34kurt

Answer:\ \boxed{5^2}

\sqrt[n]{a}=a^\frac{1}{n}\\\\\text{therefore}\\\\\sqrt5=5^\frac{1}{2}\\----------------\\25=5^2\\----------------\\78,125=5^7\\----------------\\\text{use}\\\\a^n\cdot a^m=a^{n+m}\\\\\dfrac{a^n}{a^m}=a^{n-m}\\----------------\\\\\dfrac{\sqrt5\times78,125}{25\times5^{\frac{7}{2}}}=\dfrac{5^\frac{1}{2}\times5^7}{5^2\times5^\frac{7}{2}}=\dfrac{5^{\frac{1}{2}+7}}{5^{2+3\frac{1}{2}}}=\dfrac{5^{7\frac{1}{2}}}{5^{5\frac{1}{2}}}=5^{7\frac{1}{2}-5\frac{1}{2}}=\boxed{5^2}

6 0
3 years ago
$725 before sales tax of 6% was added. How much was the sales tax?
likoan [24]

Answer: $768.50

Step-by-step explanation:

If $725 was the price before sales tax, $768.50 would be the total amount after the 6% sales tax increase.

***If you found my answer helpful, please give me the brainliest. :) ***

4 0
2 years ago
In the coordinate plane, what is the length of the line segment that connects points at
DaniilM [7]
Draw up a right triangle to connect these two points with the line itself being the hypotenuse. Then use pythagorean theorem to solve for the hypotenuse
3 0
3 years ago
Read 2 more answers
A surveyor is measuring the distance across a canyon. He sets up two similar right triangles and finds that the length of CD = 1
Citrus2011 [14]

The length side AB is 64 ft , Option D is the correct answer.

<h3>What is a Right triangle ?</h3>

A triangle that has one angle 90 degree is called Right angled Triangle.

From the figure it can be seen that

The triangle CDE is a right Triangle

Applying Pythagoras theorem to find the length of CE

CE² = 12² + 16²

CE = 20 ft

As both the triangles are similar therefore the ratio of the sides will be equal

BC : CD = AC : CE

48 / 12 = AC / 20

AC = 80ft

As Triangle ABC is also a right angled triangle

Applying Pythagoras theorem to find the length of AB

AC² = BC² +AB²

6400 = 48² +AB²

AB² = 4096

AB = 64 ft

Therefore Option D is the correct answer.

To know more about Right Triangle

brainly.com/question/6322314

#SPJ1

3 0
2 years ago
Chris and his friends are going to the ice cream shop
professor190 [17]

Answer:

2xm

Step-by-step explanation:

5 0
3 years ago
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