MATHEMATICS HIGH SCHOOL

Say that the economy is in a recession, which is causing the value of gold to fall by three percent. If you have gold reserves which were previously worth $8,590, how much value have you lost as a result of this recession, to the nearest cent?

Answers

Answer 1
Answer:

Answer:

value we have lost as a result of this recession, to the nearest cent is:

 257 dollars and 70 cents

Step-by-step explanation:

We have a gold which was worth $8590.

The value of gold fell by three percent.

Value we have lost as a result of this recession is:

      3% of $8590

  = (3)/(100)*8590

  =  $ 257.7

1 dollar= 100 cents

257.7 dollars           =    257 dollars and 70 cents  

                       

hence,  value we have lost as a result of this recession, to the nearest cent is:

 257 dollars and 70 cents
Answer 2
Answer: Given:
Value of gold = 8,590
decrease in value = 3%

8,590 * 3% = 257.70 amount lost due to recession.

8,590 - 257.70 = 8,332.30 new value of gold.

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ben the camel drinks tea (so classy!). he drinks 350 liters of tea every 2 days. how many liters of tea does ben drink every 6 days?

Answers

I think its 1050 liters . I divided the 350 liters by 3 .

two times antonios age plus three times sarahs age equals 34. sarahs age is also five times antonios age how old is sarah

Answers

sarah is 10 hope this helped '
Sarah's age is 10 years and Antonio's age is 2 years. 

What is the discriminant of the quadratic equation 2x + 5x2 = 1?–18
–16
22
24

Answers

Applying it's formula, the discriminant of the quadratic equation 2x + 5x² is given of 24.

What is the discriminant of a quadratic equation?

A quadratic equation is modeled by:

y = ax^2 + bx + c

The discriminant is:

\Delta = b^2 - 4ac

In this problem, the equation is:

2x + 5x² = 1.

In standard form:

5x² + 2x - 1 = 0.

Hence the coefficients are a = 5, b = 2, c = -1, and the discriminant is given by:

\Delta = b^2 - 4ac = (2)^2 - 4(5)(1) = 4 + 20 = 24.

More can be learned about discriminant at brainly.com/question/19776811

#SPJ2
Hello,

Answer D

Δ=2²-4*5*(-1)=4+20=24

Find the first six terms of the sequence. a1 = 4, an = an-1 + 8

OPTIONS ARE
a. 0, 8, 16, 24, 32, 40
b. 12, 20, 28, 36, 44, 52
c. 4, 12, 20, 28, 36, 44
d. 4, 8, 16, 24, 32, 40

Answers

The arithmetic sequence:
a 1 = 4,  a n = a n-1 + 8,  d = 8
a 2 = 4 + 8 = 12
a 3 = 12 + 8 = 20
a 4 = 20 + 8 = 28
a 5 = 28 + 8 = 36
a 6 = 36 + 8 = 44
Answer:
C ) 4, 12, 20, 28, 36, 44

Answer:

(C) 4, 12, 20, 28, 36, 44

Step-by-step explanation:

Given: a_(1)=4 and a_(n)=a_(n-1)+8

To find: Find the first six terms of the sequence

Solution: Since, it is given that a_(1)=4 and a_(n)=a_(n-1)+8, then the first term is 4 and the common difference, d=8.

Thus, the next terms are:

a_(2)=a_(1)+8=4+8=12,

a_(3)=a_(2)+8=12+8=20,

a_(4)=a_(3)+8=10+8=28,

a_(5)=a_(4)+8=28+8=36 and

a_(6)=a_(5)+8=36+8=44

Thus, the first six terms of the sequence will be 4, 12, 20, 28, 36, 44.

thus, option C is correct.

Last one

Please show your work

Answers

Mean = (Sum of values)/(Number of values)

Mean\n \n =\frac { 55+62+61+54+68+72+59+61+70 }{ 9 } \n \n =\frac { 562 }{ 9 } \n \n =62.4\quad mph\quad (1\quad d.p)\n \n

Range = Highest Value - Lowest Value

Range\n \n =72-54\n \n =18\n \n

What is the length of the hypotenuse of a right triangle whose legs have lengths of 5 and 12?

Answers

The hypotenuse is 13. Becuase you have to follow the equation a^2+b^2=c^2.

Answer:

The answer would be 13, I hope this helped!!!

Step-by-step explanation:
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