The solution of the equation are as follows:
x = 6 and y = -5
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<h3>How to solve the system of equation?</h3>
4x + 5y = -1
-5x - 8y = 10
Therefore,
20x + 25y = -5
-20x - 32y = 40
-7y = 35
y = -5
Hence,
4x + 5(-5) = -1
4x - 25 = -1
4x = -1 + 25
4x = 24
x = 24 / 4
x = 6
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Quadratic equations CAN be used to solve word problems so the answer to your question is false
Knowing that logarithm functions and exponential functions are inverse to each other, the procees to convert a logarithmic equation to its equivalent is to perform all the operations to set an equation of the typ:
,
then invert to show it equivalent form:
.
With that you have solved the equation for x.
Answer:
-6
Step-by-step explanation:
15/4 ÷ -5/8
Copy dot flip
15/4 * -8/5
Rewrite
15/5 * -8/4
3 * -2
-6
The amount that will be expected to be paid for the bonds that are bought will be C. $3,318.33
<h3>How to calculate the amount of bonds?</h3>
From the information given, the bonds from the city of tavel gorge worth $1,000 each are selling at 110.611 and Sean wishes to purchase three such bonds.
Therefore, the amount for the bonds will be:
= 1110.611 × 3
= 3,318.33
In conclusion, the correct option is C.
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