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Nostrana [21]
3 years ago
9

PLEASE HELP ME ON THIS

Mathematics
1 answer:
kiruha [24]3 years ago
7 0

Answer: C

Step-by-step explanation:

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If Moses has an account balance of 19 dollars and Miles has an account balance of -19 dollars, how much
uranmaximum [27]

Answer:

zero dollars

Step-by-step explanation:

19+ (-19) simplifies to 19-19

19-19 equals 0

5 0
4 years ago
Im learning about Recursive and Explicit in Pre-Calc, and it says to use the rule to write the first three terms of each sequenc
Tems11 [23]

Hello,

4. you have sequences defined by the first term and a recursive relation.

a_1=3\\\\a_n=2a_{n-1} \ \ \text{ for n}> 1

Take n = 2, it gives

a_2=2a_1 , right?

But you know a_1=3

so a_2=2a_1=2*3=6

This is the second term. You are asked to find the first three terms.

Now, let's take n = 3

a_3=2a_2=2*6=12

So the first three terms are 3, 6, 12.

6.

a_1=12\\\\a_2=\dfrac{1}{2}a_1+1=\dfrac{12}{2}+1=6+1=7 \\ \\a_3=\dfrac{1}{2}a_2+1=\dfrac{7}{2}+1=\dfrac{9}{2}

8.

a_1=10\\ \\a_2=-3a_1=-3*10=-30\\\\a_3=-3a_2=-3*(-30)=90

10.

a_1=2\\\\a_2=-1\\\\a_3=a_2+a_1=-1+2=1\\\\a_4=a_3+a_2=1-1=0

Do not hesitate if you have any question.

Thank you

8 0
4 years ago
Domain is the set of all input values, while range is the set of all:
Mumz [18]
I am thinking it will be d . Functions
3 0
3 years ago
Each cone of the hourglass has a height of 15 millimeters. The total height of the sand within the top portion of the hourglass
irina1246 [14]
We have to calculate the height of a cylinder : h2 = ( 45 - 2 · 15 )/ 2 = 15 / 2 = 7.5 mm
Volume of the bottom of the hourglass:V = 1/3 r² π h1 + r² π h2 = = 1/3 · 6² · 3.14 · 15 + 6² · 3.14 · 7.5 = = 1/3 · 36 · 3.14 · 15 + 36 · 3.14 · 7.5 = = 565.2 + 847.8 = 1,413 mm³The rate is 10 π mm³/ sec = 31.4 mm³/secTime = 1,413 : 31.4 = 45 sec.Answer: It will take 45 seconds.

8 0
3 years ago
-20 represents the location of a fish 20 feet below sea
Svetllana [295]

Answer:

Sea level

Step-by-step explanation:

That’s what I learned couple weeks ago

8 0
3 years ago
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