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3 years ago

Rounding 123, 499 with 3 being underlined

Mathematics

2 answers:

valentinak56 [21]3 years ago

4 0

123,000 because when a number is underlined it means that the rest of the numbers are zeros

777dan777 [17]3 years ago

3 0

123,000.... I hope this answers your question

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A researcher is exploring the notion that there is an economy of scale in raising children. While having one child might add to

trasher [3.6K]

Answer:

The probability is $G = 85%$

Step-by-step explanation:

From the question we are told that

The percentage of parents that have one child under 18 in their homes is k = 15%

The percentage of parents that have two children is T = 65%

The percentage of parents that have three or more children is Y = 20%

Generally the probability that any given family who is selected have two or more children at home is mathematically evaluated as

$G = T + Y$

=> $G = 65% + 20%$

=> $G = 85%$

4 0

3 years ago

A diver dives from the board at a local swimming pool. Her height, y, in metres, above the water in terms of her horizontal dist

Aneli [31]

Answer:

4 meters

Step-by-step explanation:

Given a quadratic equation in which the coefficient of $x^2$ is negative, the parabola opens up and has a maximum point. This maximum point occurs at the line of symmetry.

Since the divers height, y is modeled by the equation

$y= -x^2 + 2x + 3$

Step 1: Determine the equation of symmetry

In the equation above, a=-1, b=2, c=3

Equation of symmetry, $x=-\dfrac{b}{2a}$

$x=-\dfrac{2}{2*-1}\\x=1$

Step 2: Find the value of y at the point of symmetry

That is, we substitute x obtained above into the y and solve.

$y(1)= -1^2 + 2(1) + 3=-1+2+3=4m$

The maximum height of the diver is therefore 4 meters.

8 0

3 years ago

Can someone please help me !!i really need this answer

Zarrin [17]

Yes they are congruent because they are reflecting on to each other

4 0

3 years ago

Identify the rule that could possibly describe this set of data.

Elina [12.6K]

option D is the correct option

y= 10- 2x

Now, if we take the first value of x i.e 1

then, y= 10-2(1)

= 10-2 = 8 ---------> this value matches with the given value of y

take,x =2

y=10-2(2) = 10-4 = 6--------->this value matches with the given value of y

taking, x = 3

y= 10-2(3) = 10- 6=4-------->this value matches with the given value of y

7 0

3 years ago

A geometry fact that I find helpful. (Brainly, please don't take this down it is very educational)

sergeinik [125]

Answer:

Thank you so much for this

Step-by-step explanation:

Have a nice day ! :)

5 0

2 years ago

Read 2 more answers