• ### 10. What is the sum of 1/9, 2/3, and 5/18? A. 19/18 B. 12/9 C. 8/30 D. 4/15?

2/18 + 12/18 + 5/18 = 19/18 = 1 1/18
2/18 + 12/18 + 5/18 = 19/18 = 1 1/18
4 answers · Mathematics · 2 hours ago
• ### Simplify 25x⁻²y² / 5x⁻³y?

25 x^(-2) y² ------------------- = 5 x y 5 x^(-3) y
25 x^(-2) y² ------------------- = 5 x y 5 x^(-3) y
6 answers · Mathematics · 7 hours ago
• ### Solve the simultaneous equation { 2^x + 3^y = 41 2^x+2 + 3^y+2 = 209?

Will assume that question is incorrect and should be shown as :- 2^x + 3^y = 41 2^(x + 2) + 3^(y + 2) = 209 2^x + 3^y = 41 4 (2^x) + 9 (3^y) = 209 4 (2^x) + 4 (3^y) = 164 4 (2^x) + 9 (3^y) = 209 5 (3^y) = 45 3^y = 9 y = 2 2^x + 9 = 41 2^x = 32 x = 5 x = 5 , y = 2
Will assume that question is incorrect and should be shown as :- 2^x + 3^y = 41 2^(x + 2) + 3^(y + 2) = 209 2^x + 3^y = 41 4 (2^x) + 9 (3^y) = 209 4 (2^x) + 4 (3^y) = 164 4 (2^x) + 9 (3^y) = 209 5 (3^y) = 45 3^y = 9 y = 2 2^x + 9 = 41 2^x = 32 x = 5 x = 5 , y = 2
4 answers · Mathematics · 8 hours ago
• ### If a ball is thrown into the air with a velocity of 35 ft/s, its height (in feet) after t seconds is given by y = 35t − 16t2.?

y = 35 t - 16 t² dy/dt = 35 - 32 t v (1) = 35 - 32 = 3 ft/s
y = 35 t - 16 t² dy/dt = 35 - 32 t v (1) = 35 - 32 = 3 ft/s
3 answers · Mathematics · 8 hours ago
• ### Find the maximum value of the function f(f) = 5 - x - x^2 and value of x it occurs.?

f (x) = 5 - x - x² f ` (x) = - 1 - 2x = 0 for turning point x = -1/2 for turning point f (-1/2) = 5 + 1/2 - 1/4 = 5 1/4 is Max value when x = - 1/2
f (x) = 5 - x - x² f ` (x) = - 1 - 2x = 0 for turning point x = -1/2 for turning point f (-1/2) = 5 + 1/2 - 1/4 = 5 1/4 is Max value when x = - 1/2
3 answers · Mathematics · 8 hours ago
• ### How to simplify 25x^-2y^2/5x^-3y?

25 x^(-2) y^2 -------------------- = 5 x y 5 x^(-3) y
25 x^(-2) y^2 -------------------- = 5 x y 5 x^(-3) y
2 answers · Mathematics · 8 hours ago
• ### Math exponent help 8^5/3(8^-2/3)?

Presentation is open to doubt so having to take a guess at : - 8^(5/3) x 8^(-2/3) = 8^(3/3) = 8
Presentation is open to doubt so having to take a guess at : - 8^(5/3) x 8^(-2/3) = 8^(3/3) = 8
3 answers · Mathematics · 8 hours ago
• ### Find maximum and minimum values of 2+sinx?

Max value is 3 Minecraft value is 1
Max value is 3 Minecraft value is 1
3 answers · Mathematics · 10 hours ago
• ### Convert 0.26 to a fraction (do not reduce)?

26 ----- 100
26 ----- 100
5 answers · Mathematics · 15 hours ago
• ### Convert 3/4 to a decimal?

3 / 4 = 0 • 75
3 / 4 = 0 • 75
4 answers · Mathematics · 15 hours ago
• ### Reduce 20/40 to it’s lowest common denominator?

1 --- 2
1 --- 2
5 answers · Mathematics · 15 hours ago
• ### What is the axis of symmetry for f(x) = −2x2 + 20x − 42?

y = -- 2 ( x² - 10 x ) - 42 y = -- 2 ( x² - 10 x + 25 ) + 50 - 42 y = - 2 ( x - 5 )² + 8 x = 5 is axis of symmetry
y = -- 2 ( x² - 10 x ) - 42 y = -- 2 ( x² - 10 x + 25 ) + 50 - 42 y = - 2 ( x - 5 )² + 8 x = 5 is axis of symmetry
2 answers · Mathematics · 16 hours ago
• ### Why is x-1 not a factor of f(x) = 4x^3+8x^2+x-3?

Because f (1) does not equal zero.
Because f (1) does not equal zero.
5 answers · Mathematics · 19 hours ago
• ### Exponential: solve for y e^2x-y = 1/e?

As given MUST be read as :- e^(2x) - y = 1/e y = e^(2x) - 1/e It may be that what you actually mean :-- e^(2x -- y) = 1/e 2x - y = --1 y = 2x + 1 PS Use brackets.
As given MUST be read as :- e^(2x) - y = 1/e y = e^(2x) - 1/e It may be that what you actually mean :-- e^(2x -- y) = 1/e 2x - y = --1 y = 2x + 1 PS Use brackets.
3 answers · Mathematics · 19 hours ago
• ### How to solve: 8^5/3(8^-2/3)?

The word '' solve `` is applied to equations and equations require an = sign . Perhaps you mean :- Simplify : -- 8^(5/3) 8^(- 2/3) = 8
The word '' solve `` is applied to equations and equations require an = sign . Perhaps you mean :- Simplify : -- 8^(5/3) 8^(- 2/3) = 8
4 answers · Mathematics · 20 hours ago
• ### ONLY HAVE 5 MINUETS WILL GIVE BEST ANSWER!. Divide using synthetic division and find remainder. X^3+9x^2-2x+8/ x-6?

6 I 1______9______- 2_______8 _ I _______ 6______ 90____528 - I 1______15______88____536 x² + 15 x + 98______ remainder 536
6 I 1______9______- 2_______8 _ I _______ 6______ 90____528 - I 1______15______88____536 x² + 15 x + 98______ remainder 536
4 answers · Mathematics · 22 hours ago
• ### How to simplify the following equations: 4^5(4^-2)/4^-1 and (16^3/4)^-2?

First thing to note is that these are NOT equations. Equations require an = sign. 1. 4^5 x 4^(-2) ------------------ = 4^4 4^(-1) 2. (4^5)^(- 2) = 4^(-10) = 1 / 4^10
First thing to note is that these are NOT equations. Equations require an = sign. 1. 4^5 x 4^(-2) ------------------ = 4^4 4^(-1) 2. (4^5)^(- 2) = 4^(-10) = 1 / 4^10
3 answers · Mathematics · 23 hours ago
• ### Year 11 trigonometry question?

tan 72 ° = x / y tan 47 ° = x / (y + 3500) y tan 72° = x ( y + 3500) tan 47° = x y tan 72° = ( y + 3500 ) tan 47° y ( tan 72° - tan 47° ) = 3500 tan 47° y = 3500 tan 47° / ( tan 72 ° - tan 47° ) y = 1872 m_______height of plane
tan 72 ° = x / y tan 47 ° = x / (y + 3500) y tan 72° = x ( y + 3500) tan 47° = x y tan 72° = ( y + 3500 ) tan 47° y ( tan 72° - tan 47° ) = 3500 tan 47° y = 3500 tan 47° / ( tan 72 ° - tan 47° ) y = 1872 m_______height of plane
3 answers · Mathematics · 23 hours ago
• ### Mathe exponent help! 4^5(4^-2)/4^-1?

4^3 --------- = 4^4 = 256 4^(-1)
4^3 --------- = 4^4 = 256 4^(-1)
3 answers · Mathematics · 1 day ago
• ### Trying to find angle between two vectors u = (1,-1,5) v = (2,0,6). Now I have the question sectup as arcos(32/sqrt(27)*sqrt(40))?

u • v = | u | | v | cos ∅ 31 = √ 27 √40 cos ∅ cos ∅ = 31 / [ √27 x √40 ] cos ∅ = 0 • 94 ∅ = 19 • 4 °
u • v = | u | | v | cos ∅ 31 = √ 27 √40 cos ∅ cos ∅ = 31 / [ √27 x √40 ] cos ∅ = 0 • 94 ∅ = 19 • 4 °
4 answers · Mathematics · 1 day ago