Tony is going to put $900 in a savings account that earns 3.2% simple interest. He will leave the money in there for 4 years. How much money will he earn in interest? What will his account balance be at the end of 4 years?

Answers

Answer 1

Answer: Your answer would be $115.20 for your interest in all. His account balance would be $1015.20 at the end of four years.

I got this answer by first multiplying 900 times .032. I got the .032 by saying that 3 percent is .03, and .2 percent is a .002. .032 would be that percentage in a decimal version. I got 28.8 from that, so that would be your simple interest. Multiply that by four for your total interest together, and add 900 to it to get your answer.

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Can someone please help me ?

Answers

a + b = 1013;
a - b = 9;
2a = 1022 => a = 511; b = 502;

I'm giving 50 points and brainliest answer to whoever can answer this... Please show your work so I can try to understand it xD <3

Answers

Ok, to solve this first you have to set up your proportion:

9/150=x/230

/ is a fraction

x= the number of vials it will take to treat 230 patients

in order to solve this, you have to cross multiply:

9 x 230= 2070

150 · x= 150x

so you get 150x=2070

then divide 2070 by 150

2070/150= 13.8

so it would take 13.8 vials of medicine to treat 230 patients

Okay, firstly, you want to work out how many people will 1 vial of malaria treat. So, you do this:

150 divided by 9= 16.6

That means for every 1 vial, 16.6 people are treated.

Since the question asks you to find out how many vials are needed if you're required to treat 230 people, you would do this:

230 divided by 16.6= 13.8

That means you need 13.8 vials to treat 230 people.

Fran has been struggling with the tasks she has to accomplish over the next few weeks: homework due the next day (Tuesday), a French test that Thursday, an essay due in two weeks, an algebra test next Friday, and a science project the following Monday. To make things worse, she has to plan a surprise party for her best friend's birthday the weekend after next. How should she list her priorities, starting with the most urgent task? Rearrange the list below to build the right sequence.

Answers

The right sequence is
Fran should do her homework today and study for French for Tuesday and Wednesday. Then she should right the essay in Thursday and Friday and plan her friend's birthday on Wednesday to Friday. On Monday to THursday, she should study Algebra.

Step-by-step explanation:

Arrangement according to her priorities are as follow:

1) Finish homework which is due the next day (Tuesday).

2) Prepare for a French test that is due on Thursday.

3) Prepare a science project that is due on the following Monday.

4) Prepare for the algebra test that is on the next friday.

5) Complete her essay that is due in two weeks.

6) Plan a surprise party for her best friend's birthday that is on weekend after next.

Find the slope of the line cor (-1,-6) and (7,12)

Answers

Answer:

$(9)/(4)$

Step-by-step explanation:

$m=(y2-y1)/(x2-x1)$

$=(12-(-6))/(7-(-1))$

$=(18)/(8)$

$=(9)/(4)$

PLEASE HELP The table below represents the distance of a car from its destination as a function of time.

Time
(hour)
x
Distance (miles)
y
0
900
1
850
2
800
3
750

Part A: What is the y-intercept of the function and what does this tell you about the car? (4 points)

Part B: Calculate the average rate of change of the function represented by the table between x = 1 to x = 3 and what does the average rate represent? (4 points)

Part C: What would be the domain of this function if the car traveled the same rate until it reached its destination? (2 points)

Answers

First we have to determine a linear equation. We will take two points (0,900) and (1,850):
y=mx+b
900=m*0+b, b=900
850=m*1+900
m=-50
Linear equation is:
y=-50x+900
Part A: y-interception is y=900 or(0,900).
It means that a car has to travel a distance of 900 miles to reach a final destination.
Part B:Average rate of change: $(y2-y1)/(x2-x1) = (750-850)/(3-1)= (-100)/(2)$ =-50. It represents how many miles per one hour changes the distance from a destination.
Part C: Domain of this function if the car traveled the same rate until it reached its destination:
0=-50x+900
50x=900
x=900/50=18
Domain: x∈ [0, 18].

Answer:

Step-by-step explanation:

First we have to determine a linear equation. We will take two points (0,900) and (1,850):

y=mx+b

900=m*0+b, b=900

850=m*1+900

m=-50

Linear equation is:

y=-50x+900

Part A: y-interception is y=900 or(0,900).

It means that a car has to travel a distance of 900 miles to reach a final destination.

Part B:Average rate of change:=-50. It represents how many miles per one hour changes the distance from a destination.

Part C: Domain of this function if the car traveled the same rate until it reached its destination:

0=-50x+900

50x=900

x=900/50=18

Domain: x∈ [0, 18

If (x + 2 ) is a factor of x3 − 6x2 + kx + 10, k =

Answers

If a binomial x-a is a factor of a polynomial p(x), then p(a)=0.

x+2 is a factor of p(x)=x³-6x²+kx+10, so p(-2)=0.

$p(-2)=0 \n(-2)^3 - 6 * (-2)^2 + k * (-2) + 10=0 \n-8-6 * 4-2k+10=0 \n-8-24-2k+10=0 \n-2k-22=0 \n-2k=22 \nk=(22)/(-2) \n\boxed{k=-11}$

Answer:

-11

Step-by-step explanation:

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