1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alexxx [7]
3 years ago
14

1. Mr. Davis deposited $1,250 into an account. He made no additional deposits or withdrawals. Mr. Davis earned 4.25% annual simp

le interest on the money in the account. What was the balance in dollars and cents in Mr. Davis’ account at the end of 4 years? (Use your STAAR chart to find formula)
Mathematics
1 answer:
notsponge [240]3 years ago
4 0

Answer:

At the end of 4 years, Mr Davis will have $1462.50 in his account

Step-by-step explanation:

Simple Interest SI = (Principal P × Rate R × Time T)/100

SI = (P × R × T)/100

P = $1250, R = 4.25%, T = 4 years

SI = ($1250 × 4.25 × 4)/100

SI = (21250)/100

SI = $212.50

The balance will therefore be

$1250 + $212.50 = $1462.50

You might be interested in
Rewrite the statement in mathematical notation. (Let y be the distance from the top of the ladder to the floor, x be the distanc
In-s [12.5K]

Answer:

\frac{dy}{dt}=\frac{6y}{x}\text{ ft per sec}

Step-by-step explanation:

Let L be the length of the ladder,

Given,

x = the distance from the base of the ladder to the wall, and t be time.

y = distance from the base of the ladder to the wall,

So, by the Pythagoras theorem,

L^2 = y^2 + x^2

\implies L = \sqrt{y^2 + x^2},

Differentiating with respect to time (t),

\frac{dL}{dt}=\frac{d}{dt}(\sqrt{x^2 + y^2})

=\frac{1}{2\sqrt{x^2 + y^2}}\frac{d}{dt}(x^2 + y^2)

=\frac{1}{2\sqrt{x^2 + y^2}}(2x\frac{dx}{dt}+2y\frac{dy}{dt})

=\frac{1}{\sqrt{x^2 +y^2}}(x\frac{dx}{dt}+y\frac{dy}{dt})

Here,

\frac{dy}{dt}=-6\text{ ft per sec}

Also, \frac{dL}{dt} = 0           ( Ladder length = constant ),

\implies \frac{1}{\sqrt{x^2 +y^2}}(x(-6)+y\frac{dy}{dt})=0

-6x + y\frac{dy}{dt}=0

y\frac{dy}{dt}=6x

\implies \frac{dy}{dt}=\frac{6y}{x}\text{ ft per sec}

Which is the required notation.

8 0
3 years ago
At first,Ben had $90 and Chandra had $48 .each bought a shirt at the same price.the amounts of money Ben and chandra had left we
antiseptic1488 [7]
90-48 = 42
3 units = 42
1 unit = 14
48-14=34
7 0
3 years ago
What is the slope of a line that is perpendicular to a line whose equation is 3y=−4x+2 ?
vova2212 [387]

we know that

if two lines are perpendicular, then the product of their slopes is equal to minus one

so

m1*m2=-1

Step 1

<u>Find the slope of the given line</u>

we have

3y=-4x+2

Solve for y

Divide by 3 both sides

3y/3=(-4x+2)/3

y=-\frac{4}{3}x+ \frac{2}{3}

the slope of the given line is m1=-\frac{4}{3}

Step 2

<u>Find the slope  of a line that is perpendicular to the given line</u>

we have

m1=-\frac{4}{3}

m1*m2=-1

m2=-1/m1

substitute the value of m1

m2=-1/(-4/3)=\frac{3}{4}

therefore

<u>the answer is</u>

the slope is \frac{3}{4}

4 0
3 years ago
How many solutions can be found for the equation −4x − 11 = 2(x − 3x) + 13?
AveGali [126]
The answer is No solution
7 0
2 years ago
Read 2 more answers
Please help me....I really need help!!
scoundrel [369]

\dfrac{c^2-4}{6c^4+15c^3}\div\dfrac{c^2+4c+4}{12c^3+30c^2}=\dfrac{c^2-2^2}{3c^3(2c+5)}\div\dfrac{c^2+2(c)(2)+2^2}{6c^2(2c+5)}\\\\_{\text{use}\ a^2-b^2=(a-b)(a+b)\ \text{and}\ (a+b)^2=a^2+2ab+b^2}\\\\=\dfrac{(c-2)(c+2)}{3c^3(2c+5)}\cdot\dfrac{6c^2(2c+5)}{(c+2)^2}=\dfrac{(c-2)}{c}\cdot\dfrac{2}{(c+2)}=\boxed{\dfrac{2(c-2)}{c(c+2)}}

6 0
3 years ago
Other questions:
  • G + 15.5 = -23.4 solve for g
    8·2 answers
  • Needs to be checked.............
    12·2 answers
  • Please click on the photo and help
    14·2 answers
  • Four consecutive integers just greater than -9
    14·2 answers
  • A teachers chocolate is 60 ounces for $7.20. A students chocolate is 75 ounces for $8.25. Which one is
    9·1 answer
  • Which of the following is true about the expression 7 + V3?
    14·1 answer
  • Write the equations of the line that passes through the point 4,3) and is perpendicular to the line y=2x−4 . Write the equation
    7·1 answer
  • Your $440 gets 5.8% compounded annually for 8 years. What will your $440.00 be worth in<br> 8 years?
    8·1 answer
  • The playing time X of classical CDs has the normal distribution with mean 54 and standard
    13·1 answer
  • Mr. smith leaves 3 hours before mrs smith. if he averages 55mph and she 65mph how many hours will it take mrs smith to catch up
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!