Mathematics High School

Elijah is going to invest in an account paying an interest rate of 5.5% compounded
continuously. How much would Elijah need to invest, to the nearest hundred dollars,
for the value of the account to reach $1,400 in 16 years?

Answers

Answer 1

Answer

she will need to invest 77 dllors

Step-by-step explanation:

Related Questions

find the solution to the system of equations.

Answers

I got (-1,1) hope this helps

6. Select the expression that is equivalent to 24 + 64x
. A 8(3 + 8x)
B (8.3) + (8.x)
C 4(6 + 8x)
D 4(6 + x)​

Answers

the answer is a 8*3 =24 and 8*8=64x

Answer:

A

Step-by-step explanation:

A. 8(3+8x)

8 times 3 is 24. 8 times 8 is 64 making it 24+64x

Write the equation of the line that passes through the points (9, -8) and (-7,3).
Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal
line.

Answers

Answer:

y=-0.6875x -1.8125

y= -11/16x -29/16

Step-by-step explanation:

Will give brainliest! Please help

Answers

Answer: 1,2,3,4,5

1a,3b,5c,2d

Step-by-step explanation:

IM NOT SMART SUBSTITUTION METHOD AGAIN

Answers

Answer:

x = 6

y = -3

Step-by-step explanation:

15x + 31y = -3

we are given that x =( - y + 3 )

so in the equation 15x + 31y = -3 we substitute "x" for ( -y + 3 ) and we solve for y

so 15 ( -y + 3 ) + 31y = -3

now we use basic algebra to solve for y

step 1 distribute the 15

15 * -y = -15y

15 * 3 = 45

now we have 45 - 15y + 31y = -3

step 2 combine like terms

-15 + 31y = 16y

now we have 45 + 16y = -3

step 3 subtract 45 from each side  

-3 - 45 = -48

45 - 45 cancels out

now we have 16y = -48

step 4 divide each side by 16

16y/16=y

-48/16=-3

we're left with y = -3

Now to find x we substitute -3 for y in x  = -y + 3

* substitute *

x = - ( -3) + 3

the two negative signs cancel out and we get x = 3 + 3

3 + 3 = 6

we're left with x = 6  

a baker made 192 trays of muffins. they were 14 muffins in each tray. how many muffins were there in all?

Answers

2,688 muffins
192 (trays) x 14 (muffins in each tray) = 2688 (total muffins)

Manuel earns $7.25 per hour helping his neighbor. Last month he earned $348. Choose the correct equation and solution which determines the number of hours, h, Manuel worked.

Answers

Answer:

7.25h=348

Step-by-step explanation:

the diagonals of the rectangle have these equations. y= 4x - 10 y= -4x + 8 find where these lines intersect

Answers

hi

if it's intersect, then :  

4x-10 = -4x+8

-10-8 = -4x-4x

 -18  = -8x

 -18/-8 = x

   18/8 = x

   9*2 /4*2 = X

   9/4 = X

So X is  9/4   then y  is  :   4( 9/4) -10 =  9-10 = -1  

Lines intercept at   (  9/4 ; -1)

How do I solve this arithmetic sequence?

Answers

Answer:

The 16ᵗʰ term of this sequence is 82

Step-by-step explanation:

Here,

First Term = a₁ = 9

Common Difference = (d) = 2

Now, For 16ᵗʰ term, n = 16

aₙ = a + (n - 1)d

a₁₆ = 7 + (16 - 1) × 2

a₁₆ = 7 + 15 × 5

a₁₆ = 7 + 75

a₁₆ = 82

Thus, The 16ᵗʰ term of this sequence is 82

-TheUnknownScientist

Select the three ratios that represent the numbers of blue marbles to red marbles, there are 6 blue marbles and 9 red marbles

Answers

Answer:

6:9 or (2:3)

Step-by-step explanation:

A ratio is a term that gives comparison of values. It helps to determine

how much of a particular thing that is compare to other thing.

Given:

numbers of blue marbles= 6

numbers of red marbles= 9

Hence, ratios that represent the numbers of blue marbles to red = 6:9

We can reduce it using factor of 3, hence the ratio becomes(2:3)

(HELP ILL GIVE BRAINLY PLEASE)

Answers

Answer:

4 is 2059

5 is 6xy^2

Step-by-step explanation:

Can someone pls help me find the area of this please

Answers

12.56

Step-by-step explanation:

A = π x r^2

r =2

2^2 = 4

π × 4 = 12.56

Find the Circumference and Area of the circle with a diameter of 3 inches.

Answers

Answer:

Circumference-18.84956, rounded, 18.85

Area- 28.27433, rounded-38.27

Answer:

C≈9.42in

A≈7.07in²

Step-by-step explanation:

C=2πr

d=2r

C=πd=π·3≈9.42478in

A=πr2

d=2r

A=1

4πd2=1

4·π·32≈7.06858in²

Hope this helps!

4. Before tax, you make $575 every paycheck. If 8% is deducted for taxes, how much tax is taken from your
check?
A) $46 B) $529 C) $621 D) $460

Answers

Answer:

A . $46

Step-by-step explanation:

because 575 - 8% = 529

529 + 49 = 575

Pls answer this I will give 10 points and brainlest for 4 to 6 answers

Answers

Answer:

wheres the question

Step-by-step explanation:

An art dealer makes 17.5% commission on every painting sold. If a painting sold for $1,500, what was the commission?

Answers

Answer:

262.5 dollars

Step-by-step explanation:

17.5% of 1500 is 262.5

Answer:

262.50

Step-by-step explanation:

change 17.5% into 0.175 then multiply it by 1,500

Can someone please help me

Answers

Answer:

I think the answer is b

Step-by-step explanation:

Answer:

C I think

Step-by-step explanation:

What C is essentially saying is that if the lines l and m intersect and form two angles next to each other that are equal then they will be 90 degrees

this is true because if two lines intersect they will form 4 angles and since vertical angles are equal the only way for adjacent angles to be equal is for everything to be 90 degrees which then makes the lines perpendicular

what is the area of the figure below?​

Answers

Answer:

250

Step-by-step explanation:

You have to find the triangle area and the rectangle and then add them.

Rectangle - 10*20 = 200

Triangle - (10*10)/2 = 50

Area - 200 + 50 = 250

PLEASE HELP !!!!!!!! What is the equation of the directrix for the following parabola: -8(x-5)=(y+1)^2

a. y=-3
b. x=7
c. y=7
d. x=-3

Answers

Answer:

x=7

Step-by-step explanation:

The directrix of the equation is x=7

What is directrix of parabola?

The directrix of a parabola is a line that is perpendicular to the axis of the parabola. The directrix of the parabola helps in defining the parabola. A parabola represents the locus of a point which is equidistant from a fixed point called the focus and the fixed line called the directrix. The directrix and the focus are equidistant from the vertex of the parabola. Here we define the directrix for the standard equations of a parabola.

The directrix of the parabola y^2 = 4ax, having x-axis as its axis, passes through (-a, 0), and has the equation x + a = 0.The directrix of the parabola y^2 = -4ax, having x-axis, passes through (a, 0), and has the equation x - a = 0.The directrix of the parabola x^2 = 4ay, having y-axis as its axis, passes through (0, -a), and has the equation y + a = 0.The focus of the parabola x^2 = -4ay, having y-axis as its axis, passes through (0, a), and has the equation y - a = 0.

Given:

-8(x-5)=(y+1)²

Now, using the definition of directrix

x= 8/4 +5

x= 2+ 5

x= 7

Learn more about directrix here:

https://brainly.com/question/17376399

#SPJ2

slope = - 2/5; y-intercept = 0
HELP!!!!!!!!!!!

Answers

Answer:

To form the equation, it would y = -2/5x

Step-by-step explanation:

What is the rate in cups of lime juice per cup of Greek yogurt

Answers

Answer:

2/5 is the rate in cups of lime juice

Answer:

2/5 is the rate in cups of lime juice

Step-by-step explanation:

yes

If (x - 2)2 + 5(x - 2) = -6, which of the following could be the value of x - 2?
A
-1
B
-3
C
-4
D
-5

Answers

Answer: A. -1

Step-by-step explanation:

(x - 2)2 + 5(x - 2) = -6

2x-4 + 5x -10= -6

Combine like terms

7x-14=-6

Add 14 to both sides

7x=8

Divide

X= 8/7 or 1.14 (rounded)

1.14 - 2= -0.86 which can be rounded to -1

Hi there, please help:)

Answers

Answer:

1/5

Step-by-step explanation:

go up one unit from point (0,1) then go 5 units to the right until you reach point (5,2)

Grade low in math help if you can :) Geometry

Lauren wants to build a model airplane using a scale where 2 inches represents 15 feet. If the airplane is 75 feet long, how long should the model be?
A.
5 inches
B.
7.5 inches
C.
10 inches
D.
15 inches

Answers

Answer:

C) 10 inches

Step-by-step explanation:

I think the simplest way to do this is as follows:

divide 75 by 15 to get how many times you need to multiply 2in by

75/15=5

since 15(5)=75 or the actual size of the airplane,

2(5)=10 which is the size of the model airplane

HELP PLEASE 12 POINTS

Answers

Answer:

b. 4m

Step-by-step explanation:

congruent polygons means same shape, size, angles, and sides.

(06.01)The probability that an event will occur is 95%. Which of these best describes the likelihood of the event occurring? Likely Certain Unlikely Impossible

Answers

Answer:

Likely

Step-by-step explanation:

The probability of occurrence of a certain event Given as 95% has a high probability figure and hence such event is LIKELY to occur. We cannot class this probability percentage as certain because, an event which is certain to occur who'll have a probability percentage of 100% or a value of 1. Therefore, a probability percentage of 95% occurrence still has 5% Chace of not happening, hence it is only very likely to occur. Hence, the phrase which best describes the probability of an event with 95% probability happening is LIKELY.

Lisa got a $50 gift card to an online music store. She uses the gift card to buy an album for $10. She also wants to use the gift card to buy some individual songs. Each song costs $1.50.

Which of these inequalities describes the situation for the total amount that Lisa can spend, where n is the number of songs Lisa wants to buy?

Group of answer choices

10 - 1.50n ≤ 50

10 + 1.50n ≥ 50

10 - 1.50n ≥ 50

10 + 1.50n ≤ 50

Answers

Answer:

The fourth answer choice: 10 + 1.50n < 50

I would appreciate Brainliest but no worries.

The Americans with disabilities act sets a maximum angle for a wheelchair ramp entering a business at 4.76 degrees. Determine the horizontal distance needed to accommodate a ramp that goes up to a door.

Answers

Answer:

Step-by-step explanation:

tanα=h/d, where α=angle of elevation, h=height, d=horizontal distance.

d=h/tanα, we are given that h=4ft and α=4.76° so

d=4/tan4.76° ft

d≈48.04 ft  (to nearest hundredth of a foot)

Change this fraction into a decimal: 80/100

.8


.08


8.0

.008




will give brainlist!!!

Answers

Answer:

0.8

Step-by-step explanation:

80 divided by 100 = .8 or 0.8

PLEASE HELP. NO LINKS. NEED REAL EXPLANATION.

Find the volume of a cone with a height of 8in and a base radius of 3in.

Use the value 3.14 for pi, and do not do any rounding. Be sure to include the correct unit in your answer.

Answers

Answer:

75.36 in3

Step-by-step explanation:

Mark me brainliest?

This is the correct answer with the right steps to help you solve this problem. The Formula for the cone is (pi r^2)(h)/ 3
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