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Liula [17]
3 years ago
15

Jessie read 1/3 of a book in the morning, and she read some more at night. By the end of the day, she still had 1/5 of the book

left to read. How much of the book did Jessie read at night?
Mathematics
2 answers:
Mrac [35]3 years ago
6 0
7/15 She read 7/15 at night
PilotLPTM [1.2K]3 years ago
5 0

Answer:

7/15

Step-by-step explanation:

I converted 1/3 into 5/15

Then I converted 1/5 into 3/15

I added 5/15 and 3/15 and got 8/15

Then I subtracted 15/15-8/15=7/15.

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The amount of carbon 14 remaining in a sample that originally contained A grams is given by C(t) = A(0.999879)t where t is time
Nadya [2.5K]

the answer would be 63000 i hope this helps

8 0
3 years ago
3x - 6 + z (if x =9) (if z = 1 )​
solmaris [256]

Answer:

<em><u>hope </u></em><em><u>this </u></em><em><u>answer </u></em><em><u>helps</u></em><em><u> </u></em><em><u>you </u></em><em><u>dear!</u></em>

8 0
3 years ago
Read 2 more answers
Mario has LaTeX: 2\frac{1}{4}2 1 4 pounds of trail mix. He puts equal amounts of the trail mix into 6 bags for a hike with his f
ioda

Answer:

<h2><em>0.375 pounds </em></h2>

Step-by-step explanation:

Let the amount of trail mix in each bag be x pounds. If Mario has 2\frac{1}{4} pounds of trail mix and puts equal amounts of the trail mix into 6 bags for a hike with his friends, the amount of trail mix in each bag can be derives using the expression;

2\frac{1}{4} = 6 * x

solving for x

\dfrac{9}{4} = 6x\\\\2.25 = 6x\\\\divide\ both \ sides \ by \ 6\\\\\dfrac{2.25}{6} = \dfrac{6x}{6} \\\\x = 0.375\\

<em>Hence 0.375 pounds of trail mix will be in each bag</em>

<em></em>

7 0
3 years ago
A projectile is fired straight up from ground level with an initial velocity of 112 ft/s. Its height, h, above the ground after
PtichkaEL [24]

Answer:

Step-by-step explanation:

We can do this the easy way and just set up an inequality and let the factoring do the work for us. The inequality will look like this:

-16t^2+112t>192 We will move the constant over and get

-16t^2+112t-192>0 and when you factor this you get that

3 < t < 4

Between 3 and 4 seconds is where the projectile reaches a height higher than 192 feet. With a little more work and some calculus you can find the max height to be 196 feet.

5 0
3 years ago
The width of a rectangle is 5 cm less than the length. The perimeter is 38 cm. Find the dimensions of the rectangle
VikaD [51]

Answer:

Step-by-step explanation:

38=2(5)+2(x ) find X  

2x5-10

38-10=28

28/2=14  

14/2=7

x =7

so you length is 7

8 0
3 years ago
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