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2 years ago

QUESTION

Mathematics

2 answers:

miss Akunina [59]2 years ago

8 0

Answer:

$\frac{1}{3600}$

Step-by-step explanation:

400^2 = 160,000

5 2/6 = 32/6 = 16/3

6 70/30 = 250/30 = 25/3

16/3 * 25/3 = 400/9

400/9 / 160,000 = 1/3600

ehidna [41]2 years ago

3 0

The answer should be around 2.778 when the equation is inputted into a calculator.

To visualize in the form of improper fractions:

5 2/3 = 32/6
6 70/30 = 250/30
32/6 * 250/30 / (400)^2 = 2.778

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If f(x) and f^-4(x) are inverse functions of each other and f(x) = 2x+5, what is f^-1(x)?

miss Akunina [59]

For this case we must find the inverse of the following function:

$f (x) = 2x + 5$

Then, we follow the steps:

We change $f (x)$ by y:

$y = 2x + 5$

We exchange the variables:

$x = 2y + 5$

We clear the variable "y":

$x-5 = 2y\\y = \frac {x-5} {2}$

We change y for $f^{-1}(x):$

$f^{-1}(x) = \frac {x-5} {2}$

Answer:

$f^{-1}(x) = \frac {x-5} {2}$

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2 years ago

Car traveling at 262.5 miles in 31/2 hours what was the car speed

lidiya [134]

Its 75 miles per hour hope you understand

6 0

2 years ago

Convert 25 1/3% to decimal. Round to the nearest thousandth if necessary.

Anni [7]

Decimal: 25.3333, but converted properly it is
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6 0

3 years ago

Point W is located at (0, 7), and point X is located at (4, 0). Julianne wants to find point F on WX such that the ration of WF

aniked [119]

The coordinate of point F will be (1.6,4.2) for the given line segment.

<h3> What is a line segment?</h3>

A line section that can connect two places is referred to as a segment.

In other words, a line segment is just part of a big line that is straight and going unlimited in both directions.

The line is here! It extends endlessly in both directions and has no beginning or conclusion.

Given the F intercept 2 and 3

x = [2(4) + 3(0)]/(2+3)

x = 8/5 = 1.6

Similarly

y = [2(0) + 3 (7)]/(2+3)

y = 21/5 = 4.2

Hence "The coordinate of point F will be (1.6,4.2) for the given line segment".

For more about line segment,

brainly.com/question/25727583

#SPJ1

6 0

1 year ago

Read 2 more answers

Help me pls due tmrw

stiv31 [10]

( a )pairs of vertical angles :

AGB and EGD

Vertical angles are a pair of opposite angles formed by intersecting lines. Vertical angles are equal in magnitude.

( b ) a pair of adjacent angles :

AGB and BGC

Adjacent angles are two angles that have a common side and a common vertex (corner point) but do not overlap in any way.

AGB and BGD

Two angles are called supplementary when their measures add up to 180 degrees.

(d) A pair of complementary angles :

AGF and FGE

Two angles are called complementary when their measures add to 90 degrees.

(e) Find measure of CGD :

( look into the photo attached for better understanding)

CGD = 55°

<em>hope this helps :)</em>

8 0

1 year ago