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olganol [36]
2 years ago
10

Help me please????!!!

Mathematics
1 answer:
balandron [24]2 years ago
8 0

Answer:

Helene invested $700 in the 5% interest account and $500 in the 10% interest account.

Step-by-step explanation:

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5 cm<br> 7 cm<br> 15 cm<br> What is th5 surface area of the figure?<br> _square centimeters
Rus_ich [418]
The answer is 5 cm because
4 0
3 years ago
The product of a number and negative two is the same as 5 less than the half the number. What is the equation the represents thi
snow_tiger [21]

Answer:

N(-2) = \frac{n(-2)\\}{2}-5       this is also equal to n=2.5

Step-by-step explanation:

multiply both sides by 2

-4n = -2n-5

add 2n to both sides

-2n = -5

divide both sides by -2

n=2.5

3 0
3 years ago
Please explain how you got the answer also, thank you
harina [27]

Answer:

See Explanation

Step-by-step explanation:

You are doing simple math within the square root. For instance where x=-2 you substitute -2 for x then add 2 which gives you 0 leaving you with -6.

for x=2 you end up with "square root 2+2" which gives you 4 and the square root of 4 is 2 so you add -6 to 2 giving you the answer of -4.

7 0
3 years ago
Solve the equation for x<br>√x+4-7=1 <br>Options:<br>x=4<br>x=12<br>x=60<br>x=68​
KIM [24]

Answer:

i honestly dont know its tooooo hard

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A hospital prepares a 100mg supply of technetium-99m which has a half-life of 6 hours. what is the decay factor?
SashulF [63]
For a half- life, the formula is
A(t) = A0(0.5)^( t / t_0.5)
where A(t) is the amount of substance at time t
A0 is the initial amount of subtance
t_0.5 is the time it will reduce its amount to half
t is the time

substitute the given to the formula
A(t) = 100(0.5)^( t/6 )
so the decay factor is 0.5^( t/6 )
6 0
3 years ago
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