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dimulka [17.4K]
2 years ago
13

Make r the subject of the formula in I=E/R+r​

Mathematics
1 answer:
allochka39001 [22]2 years ago
8 0

Step-by-step explanation:

I =  \frac{E }{ R}  + r

I  -  \frac{ E }{ R}  = r

\frac{I R -E  }{ R}  = r

HOPE IT HELPS Y

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Zachary purchased a computer for ​$1,300 on a payment plan. Five months after he purchased the​ computer, his balance was ​$575.
HACTEHA [7]

Answer:

y=1300-285x

Step-by-step explanation:

1300-575=725

725/5=145

y=1300-285x

6 0
3 years ago
Pi High School ordered 40 science books. The next week, the school ordered 30 algebra books. The bill for the first order was $3
maria [59]

Answer:

Each algebra book costs $60.

Step-by-step explanation:

A=bill for algebra books; S=bill for science books=A+$360

S+A=$3960 Substitute for S

A+$360+A=$3960 Subtract $360 from each side.

2A=$3600 Divide each side by 2.

A=$1800 The order for 30 algebra books cost $1800.

Individual book=A/30

individual book=$1800/30=$60 ANSWER: Each algebra book cost $60.

4 0
3 years ago
Mary gets an annual salary of $56,780. if she is paid semimonthly, what is the amount of her semimonthly gross pay?
Ulleksa [173]
 <span>There are 52 weeks in a year. Being paid biweekly means being paid every other week, or 26 times a year. 

$567.20 * 26 

There are 12 months in a year. If Mary is paid semimonthly, she is paid twice a month, or 24 times a year. 

$56,780 / 24</span>
3 0
3 years ago
Read 2 more answers
AND THEN ONCE U HAVE THE ANSWER <br>FIND THE LENGTH OF AC ​
Vadim26 [7]

Answer:

AC=18

Step-by-step explanation:

To find AC, use the Pythagorean Theorem.  Since the longest side (hypotenuse) is known, instead of a²+b²=c², the equation will be c²-a²=b².  12²-8²=b²

144-64=b²

80=b²

√80=√b²

8.94427191=b

That is for one of the two right triangles that make up the tent.  Since there are 2 triangles, 8.94427191 only equals BC or AB.  So, multiply 8.94427191×2=17.88854382 to find the length of AC.

AC= 18

6 0
3 years ago
Use I = PRT to solve.
Mice21 [21]

Answer:

Time T = 15 year

Step-by-step explanation:

Given:

Interest I = $270,000

Principal P = $150,000

Rate R = 12% = 0.12

Find:

Time T

Computation:

I = PRT

270,000 = (150,000)(0.12)(T)

270,000 = (18,000)(T)

Time T = 15 year

4 0
2 years ago
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