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babymother [125]
3 years ago
6

Jennifer started out with 8 dollars. Then she got some more money for her birthday she ended up with 15 dollars. How much did sh

e get for her birthday
Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0
Answer: $7

Step by step explanation: so first, we have to form any equation to show that some amount of money was added to eight dollars to get a total of fifteen dollars. Our equation becomes 8+x=15
Where eight is the origins amount, x is the amount that's added to the original amount and fifteen is the final amount.
We then move eight to the other side as a negative number
x=15-8
Therefore, x is equal to seven dollars.
Mrrafil [7]3 years ago
4 0
15-8 = 7. so she got $7 for her birthday.
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A sum of money is deposited in a bank which offers a simple interest rate of 0.325% per annum. At
nikitadnepr [17]

Answer:

The sum of money deposited is approximately $22,021.74

Step-by-step explanation:

The given interest and amounts of the deposit are outlined as follows;

The simple interest per annum, R = 0.325%

The number of years the money is deposited, T = 4 years

The total amount received (Interest + Initial deposit), A = $50,650

We have;

I = P × R × T

Where;

P = The principal (initial amount deposited)

R = The (annual) interest rate = 0.325%

T = The time = 4 years

Therefore;

The total amount received, A = P + I

P + I = P + P × R × T = P × (1 + R × T)

∴ A = P + I = P × (1 + R × T)

P = A/(1 + R × T)

Plugging in the values, gives;

P = 50,650/(1 + 0.325 × 4) = 506,500/23 ≈ 22,021.74

The sum of money deposited, P = $22,021.74

3 0
2 years ago
42 decreased by the product of 12 and a number is 6.
levacccp [35]
42 - 12x = 6
Solve for 6

12x = 36

x = 3
4 0
3 years ago
Need help with this question
Lilit [14]

Answer: 30

Step-by-step explanation: To solve this problem, we're going to have to use the Pythagorean theorem...

a² + b² = c²

24² + 18² = c²

576 + 324 = c²

c² = 900

\sqrt{900}

30

30 = c

I hope this helps!

6 0
3 years ago
In order to circumscribe a circle on a triangle, which line must you construct?
SIZIF [17.4K]
<span>D) perpendicular bisector <em>I believe.
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3 years ago
On Sunday, a local hamburger shop sold a combined total of 428 hamburgers and cheeseburgers. The number of cheese burgers sold w
melisa1 [442]
The equation you can use is x + 3x = 428 with x as the number of cheeseburgers and 3x the number of hamburgers 
you solve for x and get 4x= 428 and x=107

so 321 hamburgers were sold that day.
5 0
2 years ago
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