All categories

2 years ago

Sara says, “if you subtract 19 from my number and multiply the difference by -5, the result is -40. is Sara’s number?

Mathematics

1 answer:

Marta_Voda [28]2 years ago

5 0

Answer:

Sara's number is 27

Step-by-step explanation:

27-19=8

-5*8=-40

You might be interested in

Which triangle is a 30 -60 -90

scZoUnD [109]

Answer:

the one that has all irregular sides

Step-by-step explanation:

7 0

2 years ago

Find the future value of an annuity due of $400 each quarter for 4 1 2 years at 13%, compounded quarterly. (Round your answer to

Flura [38]

Answer:

$9891.23

Step-by-step explanation:

The formula for future value of annuity due is:

$FV=P[\frac{(1+r)^{n}-1}{r}]*(1+r)$

Where,

FV is the future value of the annuity (what we need to find)
P is the periodic payment (here it is $400)
r is the interest rate per period (here 13% yearly interest is actually $\frac{13}{4}=3.25$ percent per period(quarter))
n is the number of periods (here the annuity is for $4\frac{1}{2}$ years, which is $4\frac{1}{2}*4=18$ periods, since quarterly and there are 4 quarters in 1 year)

Substituting all those values in the equation we get:

$FV=400[\frac{(1+0.0325)^{18}-1}{0.0325}]*(1+0.0325)\\=400[23.9497]*(1.0325)\\=9891.23$

Hence, the future value of the annuity due is $9891.23

3 0

3 years ago

Jeffersonville Bank is offering it's customers a record 3.4% compound interest on new savings accounts. Mr. Kirks opens an accou

slega [8]

The answer to ur question is $2171.40. to find the answer out you would divide 2,100 by 100 then multiply that by 3.4 and ur answer would be 71.4 and jus add that to his total and u have ur answer

6 0

2 years ago

PLEASE GOD HELP ME!!!!

lara [203]

Another expression for the given rational function is $x =r^\frac{1}{2}s^\frac{1}{2}$

<h3>Indices expression</h3>

Given the rational function expressed as:

x = √rs

We can reconstruct the expression by writing it using exponents as shown;

$x =\sqrt{rs}=(rs)^{\frac{1}{2} }$

Separate to have:

$x =r^\frac{1}{2}s^\frac{1}{2}$

Hence another expression for the given rational function is $x =r^\frac{1}{2}s^\frac{1}{2}$

learn more on rational function here: brainly.com/question/1851758

#SPJ1

8 0

1 year ago

Help fast plz I WILL DO ANYTHING

kaheart [24]

Answer:

I only have 2

Step-by-step explanation:

each sides is multiplying by 2

each order is multiplying by 12

5 0

2 years ago