Please explain there are 9 thirds in in 3 ones

Mathematics

2 answers:

Katarina [22]2 years ago

5 0

Well, there are 3 thirds in a whole (1) so if you have 3 wholes then you are basically doing 3*3 which is 9.

borishaifa [10]2 years ago

3 0

Answer:

Imagine 3 cookies each cut into 3 equal parts, how many parts would you have?

Step-by-step explanation:

:3 good luck!

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The population of Groverdale is

wolverine [178]

Answer: Yes alaina is correct

Step-by-step explanation: first look at the populations

553,000

535,841

Tittlehook has a 3 in the ten thousands place whilst groverdale has a 5 in the thousands place.

Hope this helps :)

6 0

3 years ago

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Alika [10]

Answer:

a. .15 b. 5.40

Step-by-step explanation:

Hi! The first thing you want to do is find the unit rate, which would be 9 divided by 60. This should be 15 cents per hour. Next, for the second part, you multiply by 36, which should be $5.40. Hope this helps!

5 0

2 years ago

Could i have some really really quick help?

nata0808 [166]

Answer:

1125 m

Step-by-step explanation:

Given equation:

$h=-5t^2+150t$

where:

h = height (in metres)
t = time (in seconds)

<u>Method 1</u>

Rewrite the equation in vertex form by completing the square:

$h=-5t^2+150t$

$\implies h=-5t^2+150t-1125+1125$

$\implies h=-5(t^2-30t+225)+1125$

$\implies h=-5(t-15)^2+1125$

The vertex (15, 1125) is the turning point of the parabola (minimum or maximum point). As the leading coefficient of the given equation is negative, the parabola opens downward, and so vertex is the maximum point. Therefore, the maximum height is the y-value of the vertex: 1125 metres.

<u>Method 2</u>

Differentiate the function:

$\implies \dfrac{dh}{dt}=-10t+150$