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Lera25 [3.4K]
3 years ago
9

Jane Hilman went to her bank. She had a balance of $1,009.88 in her savings account. She withdrew $130.00 and the teller credite

d her account with $6.19. What is her new balance?
Mathematics
1 answer:
frez [133]3 years ago
3 0
Her new balance is 886.07 dollars hope this helps
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A researcher has noted that the repair times of a sample of 15 new lawn mowers has a standard deviation of 4 minutes. A 95% conf
mamaluj [8]
Answer: C
Hope this helped
4 0
3 years ago
John needs to divide the sample in half once the number of bacteria has reached 1000. How many hours after the initial time must
Reil [10]

Answer:

Option A

Step-by-step explanation:

The complete question is attached here

The rate of increase of bacterial population  be K

As we know

Y = Y_0 * e^{kT}

where Y is the final population. In this case it is 1000

K is the rate of increase of population i.e 3 times per hour

T is the time in hours

Y0 is the initial population = 5

Substituting the given values, we get -

1000 = 5 *e^{3*T}\\200 = e^{3*T}

Taking log on both sides, we get -

ln 200 = ln e^{3T}

2.718 * 2.301 = 3T

T = 2.084 hours

hence, option A is correct

8 0
3 years ago
The volume of the cylinder is 392 cm cubed work out the length
Alik [6]
Well if you are given the radius, you can solve for it. As the volume of a cylinder is area of the base which is a circle times it height.

B • h = Pi r ^2 • h = 392 cm^3.

H = 392/Pi r^2.

This is the height or length.
8 0
3 years ago
If p(x)=3x^2-4, what is p(8a)
vredina [299]
We are tasked to solve the value of p(8a) in the expression p(x)=3x^2-4.
This means that what would find the value of the expression when x=8a. To solve this, we simply substitute the value of x in the expression.

p(x)=3x^2-4
p(8a)=3(8a)^2-4
p(8a)=3(64a^2)-4
p(8a)=192a^2-4

3 0
3 years ago
PLZ I'M BEING TIMED Which equation could have been used to create this table?
Talja [164]

Answer:

y=6x

Step-by-step explanation:

Let us assume the table is the one shown in the attachment.

We can observe the following pattern from the table:

12=6*2

24=6*4

36=6*6

60=6*10

76=6*12

Hence in general

y=6*x

Therefore the equation that could have been used to create this table is

y=6x

7 0
3 years ago
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