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3 years ago

Write 7.264 51 correct to 3 decimal places

Mathematics

2 answers:

melamori03 [73]3 years ago

8 0

Answer:

7.265

Step-by-step explanation:

pav-90 [236]3 years ago

7 0

ANSWER

$7.26451$ correct to 3 decimal places is $7.265$

EXPLANATION

We start counting from the first number after the decimal point.

So starting from 2, we count 3 decimal places to the right and land on 4.

Next, we check to see if the number after 4, is greater or equal 5, then we round up, else we round down.

Since that number is 5, it is greater than or equal to 5.

Therefore we round up to obtain $7.265$

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3 years ago

The functions f(x) = (x + 5)^2 + 2 and g(x) = -(x − 3)^2−3 have been rewritten using the completing-the-square method. Is the ve

Stolb23 [73]

Answer:

When the leading coefficient is positive, the graph opens up. It means the vertex is its minimum.

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3 years ago

Which equation does not represent this line?

WARRIOR [948]

when you get this kind of exercise, you just need to check which equations resemble the graph

A. y= 6-4x

y= -4x+6

B. y= -4x+8-2

y= -4x+6

C. y= -4x-8-1

y= -4x-9

D. y= -4x+6

-> A, B and D are the same equations

-> the easiest way to find which graph is correct (A/B/D OR C), is to create the graph yourself using the drawn graph:

y= ax+b

a= negative (the line goes down)

to find the a you go 1 step to the left and look which point of the graph has the same x. in this exercise it's when y=4

a=-4

b= the y-coordinate of the point where the graph cuts the y-axis.

b=6

-> graph shown in picture is y= -4x+b

-> graph A/B/D is correct

-> C is does not represent this line

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2 years ago

(05.03)Calculate the area of the regular pentagon below: A regular pentagon with side length of 22.3 inches and dotted line from

Marat540 [252]

Answer:

The area of the regular pentagon is $A=858.55\ in^{2}$

Step-by-step explanation:

we know that

The area of a regular polygon is equal to

$A=\frac{1}{2}Pa$

where

P is the perimeter of the regular polygon

a is the apothem

Find the perimeter P

$P=5(22.3)=111.5\ in$ ----> the regular pentagon has five equal sides

$a=15.4\ in$ ---> distance from center to middle of side

substitute

$A=\frac{1}{2}(111.5)(15.4)$

$A=858.55\ in^{2}$

5 0

3 years ago

Read 2 more answers