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Musya8 [376]
3 years ago
14

What is the reciprical of 4/7?

Mathematics
2 answers:
Umnica [9.8K]3 years ago
8 0

Answer:

7/4

Step-by-step explanation:

To find the reciprocal of 4/7, flip the fraction.

The numerator goes in the denominator and the denominator goes in the numerator

7/4

Ivan3 years ago
8 0

Answer:

7/4

Step-by-step explanation:

Keep it, change it, flip it.

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PLEASE HELP<br> ANSWER SERIOUSLY
alex41 [277]

Answer:

raise a product to a power.

you first simplify the parenthesis in the numerator by raising 2 by the power of three and multiplying the exponents.

i suck at explaining, but after the first step the expression looks like:

(\frac{8r^{6}t^{3}  }{4t^{2} })^{2}

Step-by-step explanation:

5 0
3 years ago
What is the degree measure of an arc 4(pi) ft. long in a circle of radius 10 ft.?
olya-2409 [2.1K]
Hey there!

20*pi/360=4*pi/x solve for x x=360*4*pi/(20*pi)=72 degrees

Your correct answer would be. . . 

\boxed{\boxed{72}}

Hope this helps.
~Jurgen
3 0
3 years ago
Read 2 more answers
A cylindrical water towers has a diameter of 15 meters and a height of 5 meters. About how many gallons of water can the gallon
Artemon [7]

Answer:

233445.54 gallons

Step-by-step explanation:

Given data

Diameter= 15m

Radius= 7.5m

Height= 5m

Let us first find the volume

the volume of a cylinder is given as

V= πr^2h

substitute

V= 3.142*7.5^2*5

V= 3.142*56.25*5

V=883.6875 m^3

Hence the volume in gallons is

233445.54 gallons  (from conversion tables)

7 0
3 years ago
What is the area of this figure?<br><br> A.49.5 in²<br> B.66.5 in²<br> C.84 in²<br> D.91 in²
aliya0001 [1]
The area of a trapezoid with base lengths 7 in and 19 in is given by
  A = (1/2)(b1 + b2)h
  A = (1/2)(7 +19)·7 = 91

The appropriate choice is
  D. 91 in²


_____
It can also be figured by adding the area of the 7 in square (49 in²) to the area of the 7×12 in right triangle (42 in²).
3 0
3 years ago
Read 2 more answers
Find the area of the triangle
BARSIC [14]

Answer:

The Area of Δ ABC = 219.13

Step-by-step explanation:

<em>The hard part about this problem is finding the area without the height</em>

The formula to do this is Area = \sqrt{S(S-A)(S-B)(S-C)}

A, B, C represent the sides

S represents \frac{1}{2} (A + B + C)

In this equation, we will make the base be A, and the other two sides will be B and C

<u>Sides B and C are the same length</u> because they meet at a 90° angle

Lets plug the numbers into the variables

A = 28

B= 21

C= 21

<u>Remember:</u> S represents  \frac{1}{2}  (A + B + C)

S =  \frac{1}{2} (28 + 21 + 21)

S =  \frac{1}{2} (70)

S = 35

<em>Lets plug the numbers into the Area Formula now!</em>

Area = \sqrt{35(35 - 28)(35 - 21)(35 - 21)}

According to the order of operations, we need to do the calculations in parentheses <u>first</u>

35 - 28 = 7

35 - 21 = 14

35 - 21 = 14

14 x 14 x 7 = 1372

1372 x 35 = 48020

\sqrt{48020} = 219.13

The Area of Δ ABC = 219.13

3 0
3 years ago
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