MATHEMATICS HIGH SCHOOL

16x-10y=10
8x-6y=6
solve by elimination

Answers

Answer 1
Answer:

Answer:

(0,-1)

Step-by-step explanation:

I used substitution but you still get the same answer so it doesn't really matter. Unless it's asking you to show you're work.

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Using technology, we determined that Mary’s investment account can be modeled by the function, M(x) = 4.96(2.18)x in thousands of dollars. What was Mary’s initial investment?

Answers

Answer:

$4960.

Step-by-step explanation:

We have been given that Mary’s investment account can be modeled by the function, M(x)=4.96(2.18)^x in thousands of dollars. We are asked to find Mary's initial investment.

We can see that the given function is an exponential function where, initial value is 4.96 and growth factor is 2.18.  

Since the function given Mary's investment in thousands of dollars, so we need to multiply 4.96 by $1000.

\text{Mary's initial investment}=4.96* \$1000

\text{Mary's initial investment}=\$4960

Therefore, Mary's initial investment was $4960.
well, her initial investment happened at day 0, namely x = 0, let's check,

\bf M(x)= 4.96(2.18)^x\qquad \boxed{x=0}\qquad M(0)= 4.96(2.18)^0 \n\n\n M(0)= 4.96(1)\implies M(0)=4.96

I don't know this operation

Answers

the answer is 96. all u do is multiply 400 and 24%

24% = 0.24 

400 x 0.24 = 96.
 

Three candidates: A, B, C. Candidate A received 20% of the votes, while candidate B received exactly 3 times as many votes as candidate C. What percentage of votes did candidate C receive? a) 10% b) 15% c) 20% d) 5%

Answers

Answer: C received 20% of the votes so C would be your answer

Answer:

Step-by-step explanation:

Let C received x% votes. Then B received 3x% votes. B and C together received 80% of votes because A received the remaining 20%.

x + 3x = 80

4x = 80

x = 20

Answer: c) 20%

5th degree polynomial has a zero at x= -3 with multiplicity of 2 and a zero of x=2 with multiplicity of 3 and value of the function is neg. when x= -4

Answers

The polynomial will be given as P(x) = a(x + 3)² (x – 2)³. Then the correct option is D.

What is polynomial?

A polynomial expression is an algebraic expression with variables and coefficients. Unknown variables are what they're termed. We can use addition, subtraction, and other mathematical operations. However, a variable is not divisible.

5th degree polynomial has a zero at x= -3 with multiplicity of 2 and a zero of x=2 with multiplicity of 3 and value of the function is neg. when x = -4.

Then the factor of the polynomial will be (x + 3) and (x – 2).

Then the polynomial will be given as,

P(x) = a(x + 3)² (x – 2)³

Where a is the leading coefficient.

Then the correct option is D.

More about the polynomial link is given below.

brainly.com/question/17822016

#SPJ2

Answer:

the one with the red line

Step-by-step explanation:

Solve; 6/7 - 3/14 = what?

Answers

6/7 = 12/14;
Then, 12/14 - 3/14 = 9/14.

How do you convert 3 1/2 to fraction notation also 9 7/8

Answers

To convert 3 1/2 to a fraction, you would multiply the whole number, (3), by the denominator, (2), and add your sum to the numerator, (1). Your total would be 7/2. You would then follow the same steps for 9 7/8. Multiply 9 times 8 and get 72, then add 7 and your total is 79/8.

*The denominator stays the same in your final answer
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