MATHEMATICS HIGH SCHOOL

(8n+10) divided by 2, for n=5

Answers

Answer 1
Answer:

Answer: 25

Step-by-step explanation:

(8(5) + 10) / 2

40 + 10 / 2

50 / 2

25
Answer 2
Answer: The answer would be 25. (8(5)+10 = 50 50/2 = 25. Hope that helped!

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Write the equation of a line with a slope of 4 and a y-intercept of −3. 4x + y = −3 4x – y = −3 y = −3x + 4 y = 4x − 3

Does anyone understand how to do this? Calculus AB

Answers

Hello,

In A
since
f'(x)=(f(x+h)-f(x))/h
f''(x=(f'(x+h)-f(x))/h

Write an equation
Eight times the sum of m and 7 is 21

Answers

Answer:

the equation would be 8(m+7)=21
8 ( m + 7 ) = 2 1
your welcome ! <3

Please solve this -2x + 12y - 4

Answers

2 (2x - (2 - 2y + 3x) + 4y) =
2 (2x - 2 - 2y + 3x + 4y) =
2 (5x + 2y - 2) =
10x + 4y - 4
This was my solution.

Nico is saving money for his college education. He invests some money at 9% and $1400 less than that amount at 3%. The investments produced a total of $198 interest in 1 yr. how much did he invest at each rate?

Answers

Let x = the amount of money he invests at 9%
and y = the amount of money he invests at 3%

y = x - 1400
0.09x + 0.03y = 198

x - y = 1400
9x + 3y = 19800

3x - 3y = 4200
9x + 3y = 19800

12x = 24000
x = 2000
y = 600

$2000 invested at 9% interest
and $600 invested at 3% interest.

5. What is the value of tan 45°?
A. √2/2
B. √3/2
C. 1
D. √3

Answers

If we use the unit circle:
sin 45° = √2/2
cos 45° = √2 / 2
tan x = sin x/ cos x
tan 45° = sin 45°/ cos 45° = √2 / 2  : √2 / 2 = 1
Answer: the value of tan 45° is C ) 1

What is the y- intercept of the line 6y+12x=18
A. 18
B.-18
C.3
D.-3

Answers

The answer would be C. which is 3.
answer is sea. positive three
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