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3 years ago

What is 32.15 in expanded fraction

2 answers:

6 0

<span>It's really simple
(3 x 10) + (2 x 1) + (1/10) + (5/100)

Your basicly using distributive property, for ex; 30 + 2 + 1 + 5 and then from there you just put into fractions or distribute them

Hope this helped

</span>

agasfer [191]3 years ago

3 0

Hi!

The answer is :
32.15 = (3 x 10) + (2 x 1) + (1/10) + (5/100)

That's 32.15 in expanded fraction.

Hope it helps and have a wonderful day!

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Which number line correctly illustrates 0.97 ?

Verdich [7]

Answer:

Number Line C shows 0.97 exactly.

Step-by-step explanation:

Look the number line starts from 0.95.

So the 3rd line shows 0.97.

I hope it helps.

8 0

3 years ago

Is ac perpidicular to xz? explain

pashok25 [27]

AC is not perpendicular to XZ, because the slope of AC is -1 and the slope of XZ is 2/3. Hence, the correct answer options are:

B. Is not

A. -1

<h3>How to calculate the slope of any straight line?</h3>

Mathematically, the slope of any straight line can be calculated by using this formula;

Slope, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Slope, m = (y₂ - y₁)/(x₂ - x₁)

For the slope of AC, we have:

Point at A = (-1, 3)

Point at C = (4, -2)

Slope, m of AC = (-2 - 3)/(4 - (-1))

Slope, m of AC = (-2 - 3)/(4 + 1)

Slope, m of AC = -5/5.

Slope, m of AC = -1.

For the slope of XZ, we have:

Point at X = (12, 2)

Point at Z = (6, -2)

Slope, m of XZ = (-2 - 2)/(6 - 12)

Slope, m of XZ = -4/-6.

Slope, m of XZ = 2/3.

In Mathematics, a condition that must be met for two lines to be perpendicular is given by this mathematical expression:

m₁ × m₂ = -1

-1 × 2/3 = -1

-2/3 = -1 (False).

Read more on slope here: brainly.com/question/3493733

#SPJ1

<u>Complete Question:</u>

Look at the picture. Then choose the correct option from each drop-down menu.

AC choose..

A. Is

B. Is not

perpendicular to XZ, because the slope of AC is Choose...

A. -1

B. -2

C. 2

D. 1

and the slope of XZ is 2/3

5 0

1 year ago

bacteria colonies can triple in size every 4 days. if you start with 40 bacteria microorganisms, how large would the colony be a

Westkost [7]

<span>Assuming the reaction is of 1st order, we can start using the formula for rate of 1st order reaction:</span>

dN / dt = k * N

Rearranging,

dN / N = k dt

Where N = amount of sample, k = rate constant, t = time

Integrating the equation from N = Ni to Nf and t = ti to tf will result in:

ln (Nf / Ni) = k (tf – ti)

Since k is constant, we can equate to situations. Situation 1 is triple in size every days, situation 2 is after 20 days.

ln (Nf / Ni) / (tf – ti) = k

ln (3Ni / Ni) / 4 = ln (Nf / 40) / 20

Calculating for Nf,

<span>Nf = 9,720 bacteria </span>

6 0

3 years ago

Read 2 more answers

A basketball team played six games. In those games, the team won by 7 points, lost by 12, won by 8 , won by 11 , lost by 1

ioda

They won all together by 31 points and lost all together by 13 so 31-13=18

4 0

3 years ago

You are dealt five cards from a standard and shuffled deck of playing cards. Note that a standard deck has 52 cards and four of

Gre4nikov [31]

Answer:

((4 choose 3)·(48 choose 2) + (4 choose 4)·(48 choose 1)) / (52 choose 5) = 19/10829 = 0.0018

8 0

3 years ago