You deposit $400 in an account. The account earns $18 simple interest in 9 months.What is the annual interest rate?​

Answers

Answer 1

Use the formula,

I = Prt

P = Principal amount = 400

I = interest = 18

r = annual rate

t = time in years = 9/12 = 3/4

so,

18 = 400*r*3/4

r = 0.06

so the annual interest rate is 0.06 or 6%


Related Questions

polygon ABCD is dilated using a scale factor of 6/5 to produce polygon A'B'C'D with the origin as the center of dilation.

Answers

Answer:

the answer is A

Step-by-step explanation:

A bag contains 3 red marbles. The ratio of red marbles to blue marbles is 3 : 7. Find the number of blue marbles in the bag.

Answers

Answer:

7 blue marbles

Step-by-step explanation:

because 3:7 equals red:blue so blue = 7

3:7
3=red
7=blue
There are 7 blue marbles in a bag.

50 = -2.5%
Can someone help me with this????

Answers

Answer:

what is the question? like... what is -2.5% of 50?

Step-by-step explanation:

If the question is what is -2.5% of 50?

The Answer is -1.25

An angle measures 27.2° less than the measure of its supplementary angle. What is the measure of each angle?

Answers

Answer:

Step-by-step explanation:

Supplementary angles have a sum of 180 degrees.

a+a-27.2=180

2a-27.2=180

2a=207.2

a=103.6, and since b=a-27.2

b=76.4

So one angle is 103.6 degrees and the other is 76.4 degrees.


Please help me ASAP



What is 7/16 x 1/2

Answers

Answer: 7/32

Step-by-step explanation:

Multiply straight across the numerator and do the same for the denominator.

7x1=7 (numerator)

16x2=32 (denominator)

Answer is 7/32

Please help.
Is algebra.

Answers

Answer:

a.

d.

Step-by-step explanation:

Other answer choices would not work. y= means you can substitute what y= into the opposite equation for "y."

What is the y-intercept of the line shown? (4 points)

3.5

0

1

3

Answers

People shoot their shot and they try to call me out

But really wanna diss so they can have some of my CLOOOUT

If EBCD is a parallelogram, EB = 16, ED = 25, BF = 11, EC = 34, mZBED = 55°, mZCDB = 67°,

and mZBCE = 24º, find each missing measure.

B

с

BC =

mZEDC =

BD =

mZEBD =

F

FC =

E

D

mZBEC =

mZDBC =

CD =

Answers

Answer:

1. BC = 25

2. m∠EDC = 125°

3) BD = 22

4) m∠EBD = 67°

5) FC = 17

6) m∠BEC = 24°

7) CD = 16

8) m∠DBC =  58°

Step-by-step explanation:

The dimensions of parallelogram EBCD are;

EB = 16, ED = 25, BF = 11, EC = 34, m∠BED = 55°, m∠CDB = 67°

1. BC = ED = 25 Opposite sides of a parallelogram are equal

2. m∠BCD = m∠BED = 55 opposite angles of a parallelogram are equal

m∠BCD + mEDC = 180° adjacent sides of a parallelogram are supplementary

m∠EDC = 180° - m∠BCD

∴ m∠EDC = 180° - 55° = 125°

m∠EDC = 125°

3) BD = BF × 2 Diagonals of a parallelogram bisect each other

∴ BD = 11 × 2 = 22

BD = 22

4) m∠EBD = m∠CDB = 67° from alternate angles between parallel lines

5) FC = EC/2 from diagonals of a parallelogram bisect each other

∴ FC = EC/2 = 34/2 = 17

FC = 17

6) m∠BEC = m∠BCE = 24° Alternate angles between parallel lines

m∠BEC = 24°

7) CD = EB = 16 Opposite sides of a parallelogram are equal

8) m∠EBC = m∠EDC = 125° from opposite angles of a parallelogram are equal

m∠DBC + m∠EBD = m∠EBC from angle addition postulate

∴ m∠DBC = m∠EBC - m∠EBD

m∠DBC = 125° - 67° = 58°

m∠DBC =  58°

pls help question is in the picture

Answers

Answer:

x = 5

Step-by-step explanation:

Sum up all the angles in a triangle is 180 degree, so 4x + 135 + 25 = 180, solve for x get x = 5

help if u mayy:)))))))

Answers

Answer:

R= 16

M=  -12

N=  -4

Step-by-step explanation:

what you need to do next time is when you figer out one of the numbers see what it is multiplying by so you know what the numbers would be

Have a nice week.  Please mark as brainllest

[o]-[o]

\___/

pam is 17 years old and her sister is 9. her two brothers are 11 and 7 years old. what is the mean of their ages

Answers

Answer:

11

Step-by-step explanation:

17+9+11+7 divided by 4

because the mean= sum of the terms divided by the number of terms

the sum= 17+9+11+7=44

the number of terms= 4

44 divided by 4= 11

Answer:

(17+9+11+7) / 4 mean is an average

it is equal to the sum of the elements divided by the number of elements

the sum is 44

the number of elements is 4

the mean is the average= 44/4=11

Step-by-step explanation: i dont know why they would ask that

pls help meeeee....zzzz

Answers

Answer:

I think its a or b? But I think mostly a, sorry if I'm wrong

The answer is D:3,4,5

Toni bought 5 t-shirts for 35 if each T-shirt cost the same amount .how much tony would pay for20 shirts 

Answers

Answer: The answer is Toni can buy 20 tee shirts for 140 dollars

Step-by-step explanation:

First you find out how many times 5 can go into 20

Next you see that 5 can go into 20, 4 times so you take the 35 and multiply 4 and you get 140 so you can buy 20 tee shirts for 140 dollars.

Mhanifa please help! Explain how you can use the perpendicular bisector of a segment to draw an isosceles triangle.

Answers

Answer:

If you construct the perpendicular bisector of a line segment, every point on the perpendicular bisector will be the same distance from both point A and point B.

To construct an isosceles triangle, you can start from any point on the perpendicular bisector and draw line segments to point A and to point B

The required steps are in the solution that to use the perpendicular bisector of a segment to draw an isosceles triangle.

What is an isosceles triangle?

An isosceles triangle is defined as a triangle with two sides of equal length.

To use the perpendicular bisector of a segment to draw an isosceles triangle, you can follow these steps:

Draw the segment for which you want to find the perpendicular bisector.

Use a compass to draw a circle with its center at the midpoint of the segment.

With the compass still set to the same radius, draw two arcs that intersect the segment at two points. These points will be the base points of the isosceles triangle.

Draw a line through the midpoint of the segment and the point where the arcs intersect the segment. This line is the perpendicular bisector of the segment.

Use a ruler to draw a line segment connecting the base points of the isosceles triangle.

Use a ruler to draw a line segment connecting the apex of the isosceles triangle (the point where the perpendicular bisector intersects the base) to one of the base points.

At this point, you should have a triangle with two equal sides and a right angle at the apex. This is an isosceles triangle.

Learn more about Isosceles Triangle here:

brainly.com/question/2456591

#SPJ2

36% of the members in a gym are females. There are 252 female gym members
a .
How many members are there altogether in the gym?​

Answers

Answer:

700members

Step-by-step explanation:

36%=252

100%=?

100×252/36

=700

Answer:

700 members in the gym

Step-by-step explanation:

A certain television is advertised as a 10-inch TV (the diagonal length). If the width of
the TV is 6 inches, how many inches tall is the TV?

Answers

Answer:

8 in

Step-by-step explanation:

Given data

DIagonal= 10 in

Width= 6 in

`Height=???

We know that the expression that can be used to find the missing dimension is given as

d^2= w^2+h^2

substitute

10^2=6^2+h^2

100= 36+h^2

100-36= h^2

64= h^2

h= √64

h= 8 in

Hence the height is 8 in

Pllllz help, brainieledt and 15 points

Answers

Answer:

y=-3/2x+20

Step-by-step explanation:

slope is -3/2 and the y intercept is 20

Read the problem below. Type in your answer on the box.
The length of a rectangle is (3x - 1) and its width is ( 2x + 5). What is the area of the rectangle?

Answers

Answer:

3x^2 + 13x - 5

Step-by-step explanation:

To find the area, you multiply the length by width. So its is (3x - 1) * (2x + 5)

Then distribute. (3x * 2x) + (3x *5) + (-1 *2x) + (-1 * 5)

So 3x^2 + 15x -2x -5

Final Answer: 3x^2 + 13x - 5

Answer:

30 INCHES

Step-by-step explanation:

Help me, please! I need help with this.

Answers

Answer:

x = 9

Step-by-step explanation:

Because the angles are vertical angles their measures are congruent so make them equal to each other:

3x -8 = 2x +1     subtract 2x from both sides

-2x       -2x

x -8 = 1            add 8 to both sides

 +8    +8

x = 9            

Hope this helps

Please rate 5 stars

Determine the y intercept

Answers

Answer:

The Y intercept adds on +6 every time.

Step-by-step explanation:

Hope this helps! :3

Answer:

(0, 19)

Step-by-step explanation:

Find the equation.

Find the slope:

[tex]m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

22-16/1-(-1) = 6/2 = 3

Here's our equation so far:

y = 3x + b

Find b by plugging in one pair of (x,y) coordinates.

22 = 3(1) + b

22 = 3 + b

b = 19

Now we now the equation:

y = 3x + 19

So, the y-intercept is 19.

Scientific notation of 48200

Answers

Answer:

4.82 × 10^4

Step-by-step explanation:

the answer is 4.28 x 10^4!!

Find the value of i^9

Answers

Answer:

The answer is i (i^9)

Step-by-step explanation:

ANSWER THIS NOW please. An amusement park constructed a new ride called the "Haunted Hotel." There are x2 –
3 floors in this hotel. Each floor is 2x2 + 5 feet high. Which expression shows the total
height of this hotel?

Answers

Answer:

2x⁴ - x² - 15

Step-by-step explanation:

(X² - 3)(2x² + 5)

[x²(2x² + 5)] - [3(2x² + 5)]

= 2x⁴ - x² - 15

may someone please help?

Answers

(-7,3) here is the answer, easy one

Answer:

B' = (-7,3)

Step-by-step explanation:

B = (7,3)

mirrored would be:

B' x position would be -7

B' y position would not change

B' = (-7,3)

HELP ASAP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

+.5

Step-by-step explanation:

Kelly lives 2 miles away from school. Harry closer to the school than Kelly. Which could be the distance that harry lives from school?

Answers

Answer:

D. 3,461

Step-by-step explanation:

There are 3520 yards in two miles and 3,461 yards is less than 3,520... meaning that he lives closer to the school.

3,461 < 3,520

Matthew has $0.72. He wants to buy stickers that cost $0.08 each. How many stickers can he buy?​

Answers

9......
he can buy 9

Answer:

Matthew can buy 9 stickers.

Step-by-step explanation:

0.72 / 0.08 =

72 / 8 = 9

so he can buy 9 stickers

Plz mark as brainliest if correct! Have a nice day!!!

-Lil G

Anybody know? Need help

Answers

Answer:

option c is the correct answer

Answer:

C consecutive angle

Step-by-step explanation:


How many groups of 1/2 day are in 1 week? Use a multiplication or division equation to explain your answer

Answers

Answer:

14

Step-by-step explanation:

you need to do 1 week divided by 1/2 so 1 week is 7 days.7 divided by 1/2 is basically 7*2 =14

im using all my points for this pls help
A. The area of a square is 196 cm.?. What is the length of each side?
B. The area of a rectangle is 94.5 in.. The length is 9 inches. What is the
width?
What is the answer to a and b

Answers

Answer:

A. 14 cm

B. W== 0.5in

Step-by-step explanation:

Hope this helps

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