3 years ago

Can someone help i’ll mark brilliant

Mathematics

1 answer:

Korolek [52]3 years ago

5 0

Answer: 1.32 x 10^4

Step-by-step explanation:

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What is the inverse of the function f(x) = 2x + 1?

hodyreva [135]

Answer:

The inverse f-1(x) = ( x - 2) / 2.

Step-by-step explanation:

Let 2x + 1 = y

Now find x in terms of y:

2x = y - 1

x = (y - 1) / 2

Replace the x by the inverse f-1(x) and the y by x, so we have:

f-1(x) = ( x - 2) / 2.

4 0

3 years ago

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Round the digit greater than 10, and estimate the answer.<br> 8,572 x 7=<br> P

luda_lava [24]

Answer:

60000

Step-by-step explanation:

8572x7= 60004...

Rounded to the nearest 10 (Which I assume you wanted to happen) is: 60000

[If I am wrong I am very sorry, please message me]

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3 years ago

If the area of the cube is 2 1/2 what is the surfece area

mariarad [96]

Answer:

37.5

Step-by-step explanation:

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3 years ago

1.) Max is driving 42 miles per hour. A dog dog runs into the street and max reacts in about three quarters of a second. What is

Nostrana [21]

Answer: $14.07\ m$

Step-by-step explanation:

Given

Max is driving at a speed of $42\ mph$

It took him three-quarters of a second i.e. $0.75\ s$

Speed in meter per second is $18.77\ m/s$

Distance is given by

$d=v\times t$

Reaction distance is

$d=18.77\times 0.75=14.07\ m$

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3 years ago

Write the rule for finding the coordinates of a point’s 90⁰ clockwise rotation about the origin.

olga nikolaevna [1]

(x,y) -> (y,-x)

hope that help

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4 years ago