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3 years ago

Please Help

1 answer:

5 0

0.75 is actually three quarters. Three quarters of an hour is equal to 45 minutes.

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In Time (Avoid Using Ordinary Mathematics):

11:20 AM - 3:00 hrs - 45 mins

= 8:20 AM - 45 mins

= 8:20 AM - 20 mins - 25 mins

= 8:00 AM - 25 mins

= 7:35 AM

----------------

Answer:

7:35 AM

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Question 4

irina1246 [14]

Answer:

-8y° -7y

Step-by-step explanation:

Like terms:

13y-11y-9y= -7y

-8y°= -8y°

Simplified Expression:

-8y°-7y

7 0

3 years ago

a certain colony of bacteria doubles in size every 5 minutes if the colony began with two organisms how many will there be after

mezya [45]

Answer:

There will be 128 organisms after 30 minutes.

Step-by-step explanation:

30/5=6

1.) 2*2=4

2.) 4*2=8

3.) 8*2=16

4.) 16*2=32

5.) 32*2=64

6.) 64*2=128

7 0

3 years ago

Multiplying StartFraction 3 Over StartRoot 17 EndRoot minus StartRoot 2 EndRoot EndFraction by which fraction will produce an eq

ziro4ka [17]

The fraction which produce an equivalent fraction with a rational denominator is $\left(\frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}}\right)$

Explanation:

The equation is $\frac{3}{\sqrt{17}-\sqrt{2}}$

To find the rational denominator, let us take conjugate of the denominator and multiply the conjugate with both numerator and denominator.

Rewriting the equation, we have,

$\frac{3}{\sqrt{17}-\sqrt{2}}\left(\frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}}\right)$

Multiplying, we get,

$\frac{3(\sqrt{17}+\sqrt{2})}{(\sqrt{17})^{2}-(\sqrt{2})^{2}}$

Simplifying the denominator, we get,

$\frac{3(\sqrt{17}+\sqrt{2})}{17-2}$

Subtracting, the values of denominator,

$\frac{3(\sqrt{17}+\sqrt{2})}{15}$

Dividing the numerator and denominator,

$\frac{\sqrt{17}+\sqrt{2}}{5}$

Hence, the denominator has become a rational denominator.

Thus, the fraction which produce an equivalent fraction with a rational denominator is $\left(\frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}}\right)$

6 0

3 years ago

Read 2 more answers

Please help ASAP!! Will give brainliest to correct answer!

snow_lady [41]

Answer:

2/4

Step-by-step explanation:

4 0

3 years ago

Using substitution, determine the solution to the system of equations. Include a photo of your work

kiruha [24]

Answer:

I can't submit a photo but here:

x = 4, y = 16

(4,16)

You can choose whichever format

Step-by-step explanation:

We have x given to us already. Since we know the value of x, we can input the value into the other equation to solve for y

Solve:

Substitute 4 for x:

y = 2x + 8
y = 2(4) + 8
y = 8 + 8
y = 16

Our solution is x = 4 and y = 16, or (4,16)

-Chetan K

6 0

3 years ago