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Genrish500 [490]
2 years ago
6

Write each ratio as a fraction in simplest form. 5. 48 : 76 6. 20 inches to 4 feet

Mathematics
1 answer:
Delicious77 [7]2 years ago
3 0

Answer:

48:76 would be 48/76 which would reduce to 12/19.

20:4 would be 5/1 reduced or just 5.

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Solve b to the second power=77​
zubka84 [21]

Answer:

\large\boxed{b=\pm\sqrt{77}}

Step-by-step explanation:

b^2=77\iff b=\pm\sqrt{77}\\\\\text{because}\\\\(-\sqrt{77})^2=77\ \text{and} \ (\sqrt{77})^2=77

3 0
3 years ago
-5(c-2)=20-5c+10<br> help please
Rudiy27

Answer:

10 is the answer

Step-by-step explanation:

C(5,2) = 5! / 2! (5-2)!

C(5,2) = 5! / 2!3!

C(5,2) = 120/12

C(5,2) = 10

6 0
3 years ago
Read 2 more answers
Given the explicit formula an=3(-4)n-1, what is the sixth term?
Sholpan [36]

Answer:

  a6 = -3072

Step-by-step explanation:

Put 6 where n is and do the arithmetic.

Since the form of your function looks like it is trying to describe a geometric sequence, we assume you actually mean ...

  an = 3(-4)^(n-1)

So, for n=6, this has the value ...

  a6 = 3(-4)^(6-1) = 3(-1024)

  a6 = -3072

_____

Same deal if you really mean

  an = -12n -1

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5 0
2 years ago
A circle has a circumference of 654 units. Approximate the diameter of the circle.
Liula [17]
Do u have a formula chart if not that would help you get your answer
3 0
2 years ago
Read 2 more answers
on a map with a scale 1: 25000,the area of a lake is 33.6 square centimeters. calculate the actual area of the lake, giving your
svlad2 [7]

Given :

On a map with a scale 1: 25000 .

The area of a lake is 33.6 square centimeters.

To Find :

The actual area of the lake.

Solution :

Let, actual area of lake is A.

So,

\dfrac{33.6}{A}=\dfrac{1}{25000}\\\\A = 840000\ cm^2

We know , 1 \ cm^2 = 10^{-10}\ km^2

Area in km² is :

A = 840000\times 10^{-10}\ km^2\\\\A = 8.4 \times 10^{-5}\ km^2

Hence, this is the required solution.

6 0
2 years ago
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