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UNO [17]
2 years ago
11

A sum of money when invested for a definite period at r% simple interest will yield an interest of rm80 .using the same interest

rate, find the interest earned if the sum is tripled and the investment period is doubled
Mathematics
1 answer:
maks197457 [2]2 years ago
7 0
The invest could probably be maybe 8% for a question
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Ms. stone buys groceries for a total of $45.32. she now has $32.25 left. which equation could be used to find out how much money
bezimeni [28]
Let x be the total money she had
So x-45.32=32.25
□ x =45.32+32.25
5 0
2 years ago
Suppose c and d vary inversely, and d = 2 when c = 17.
balu736 [363]

Answer:

c = 34/d

d = 1/2

Step-by-step explanation:

Part A

Basic Formula

c = k/d

17 = k/2         Multiply both sides by 2

17*2 = k*2/2     Combine

34 = k

So the equation is c = 34/d

Part B

c = 68

k = 34

d = ?

68 = 34/d               Multiply both sides by d

68*d = 34 * d/d      Simplify.

68 d = 34                Divide by 68

d = 34/68                Simplify

d = 1/2

5 0
2 years ago
Jenny bought a new car for $25,995. The value of the car depreciates by 16 percent each year. Which type of function could model
motikmotik

Answer: The answer is expensive the car is expensive. JK the answer is c. you can eliminate a and d because the 16 % a year increase so your left with c and b it's not b because of the price so your best answer would have to be c

hoped this helped lol have a good day

6 0
2 years ago
Read 2 more answers
The number that is 75% of one less than a number n.
gizmo_the_mogwai [7]

Answer:

The number is n-0.75

Step-by-step explanation:

Here in this question, we are interested in giving a number which is 75% of 1 less than a number n.

The first thing we do here is to calculate the value of 75% of 1.

That would be;

75/100 * 1 = 0.75

So this value less than n will be;

n- 0.75

7 0
2 years ago
A boat is traveling east across a river that is 112 meters wide at 8 meters per second. If the river has a northward current of
andreyandreev [35.5K]
This is the concept of application of the Pythagorean theorem. The resultant speed of the motorboat which is crossing the river that has a northward current of 5 m/s at a speed of 8 m/s will be given by:
c^2=a^2+b^2
c^2=8^2+5^2
c^2=64+25
c^2=89
c=sqrt89
c=9.4 m/s
6 0
2 years ago
Read 2 more answers
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