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3 years ago

Round 73.654 to the nearest tenth

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

73.650

hope this works for you

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Please show the steps as well.

Verdich [7]

Answer:

x = 4

Step-by-step explanation:

Rewrite the equation as

$2^{x -1}=8\\$
$2^{x -1}=2^3$

Powers are equal if bases are same

$x -1=3$
$x=3+1$
$x=4$

6 0

2 years ago

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Leo is running a 5% mile race. It took him 2 minutes to run the first mile of the race. If Leo continues running at the

Alexeev081 [22]

Answer:

8 minutes

Step-by-step explanation:

Leo has already run 1 mile, leaving him with 4 more to finish the race. At 2 minutes a mile (a ridiculously impressive pace, considering the world record mile time is just a little under 3:45), it will then take him 4 x 2 = 8 minutes to cross the finish line.

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3 years ago

The length of a rectangle is 5M more than twice the width and the area of the rectangle is 63M to find the dimension of the rect

Mice21 [21]

Answer:

width = 4.5 m

length = 14 m

Step-by-step explanation:

okay so first you right down that L = 5 + 2w

then as you know that Area = length * width so you replace the length with 5 + 2w

so it's A = (5 +2w) * w = 63

then 2 w^2 + 5w - 63 =0

so we solve for w which equals 4.5 after that you solve for length : 5+ 2*4.5 = 14

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3 years ago

The isosceles triangle has a base that measures 14 units.

QveST [7]

We know that
The Triangle Inequality Theorem states that the sum of any sides of a triangle must be greater than the measure of the third side
so
Attached photo 1
...
therefore
the answer is
The value of y must be greater than 7
Attached photo 2

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3 years ago

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The temperature of a point $(x,y)$ in the plane is given by the expression $x^2 + y^2 - 4x + 2y$. what is the temperature of the

ollegr [7]

$x^{2} + y^{2}-4x+2y$

can be written as follows:

$x^{2} -4x+ y^{2}+2y$

$(x^{2} -4x+4)-4+ (y^{2}+2y+1)-1$

$(x-2)^{2}+(y+1)^{2} -5$

since $(x-2)^{2}$ and $(y+1)^{2}$ are always positive, except for x=2 and y=-1, when they become 0,

the minimum value of this expression is when x=2, and y=-1, that is -5

Answer: -5

3 0

3 years ago