There are 24 offices in a building that contains 4 floors. On average, how many offices are on each floor?
Answers
sooo
24 ÷ 4 = 6
So there are about 6 offices on each floor.
:)
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Jarred sells DVDs. His inventory shows that he has a total of 3,500 DVDs. He has 2,342 more contemporary titles than classic titles. Let x represent the number of contemporary titles and y represent the number of classic titles. The system of equations models the given information for both types of DVDs.x + y = 3,500 x – y = 2,342 Solve the system of equations. How many contemporary titles does Jarred have? 1,158 1,737 2,342 2,921
Which temperature during the week is the closest to 0? Explain how you decided this using absolute value.A -3.5 FB 5 FC 1.5 FD -0.5E -2 Fthe rest of the choices 2.5 and -4
Answers
as 6^3=6*6*6=216
∛(-216)=-6
∛(mn)=(∛m)(∛n)
and
if you have the 3rd root of a negative number, the root will be negative
∛-216=(∛216)(∛-1)
we know that 216=6^3 (you know, just fun fact)
6(∛-1)
3rd root of -1 is -1 ((-1)^3=-1)
6(-1)
-6
Answers
Answers
1(cos²Ф-1) / (sin Ф* sinФ)=
(cos²Ф-1) / sin² Ф=
--------------------------------------------------------------
Fundamental relation of trigonometry:
sin²Ф + cos²Ф=1 ⇒ sin²Ф=1-cos²Ф ⇒-sin²Ф=cos²Ф-1
--------------------------------------------------------------
-sin²Ф/sin²Ф=1
Answer: (cos²Ф - 1) / sin Ф * 1/sin Ф=-1
Answers
Answer:
f(x)=6x+15
Step-by-step explanation:
first you find the gradient of the equation with the gradient formula by using the two given points
the gradient is 6, so using the slope equation which is y=mx+b sub 6 into the gradient
you then get y=6x+b
to find b just sub in any of the points and solve the equation.
ps. f(x) essentially stands for a y so don't get confused
hope this helps :)
Answer:
y = 6x + 15.
Step-by-step explanation:
The slope of the line joining these 2 points =
(9-3)/(-1-(-2))
= 6/1
= 6
Use the point-slope form of a straight line:
y - y1 =m(x - x1) Here m = 6 and (x1, y1) will be (-2, 3), so:
y - 3 = 6(x -(-2))
y - 3 = 6(x + 2)
y = 6x + 12 + 3
y = 6x + 15.
b. (-3,6)
c. (3,2)
d. (3,5)
2. Which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7?
a. y = 5x + 53
b. y = -1/5x - 7
c. y = -1/5x + 1
d. y = 1/5x + 5
Answers
2. y = 5x - 7.....slope here is 5....perpendicular line has a negative reciprocal slope...so the slope has to be -1/5
y= mx + b
slope(m) = -1/5
(-10,3)...x = -10 and y = 3
now we sub and find b, the y int
3 = -1/5(-10) + b
3 = 2 + b
3 - 2= b
1 = b
so ur perpendicular equation is : y = -1/5x + 1
-3x2+243=0
Answers
-3x^2 + 243 = 0
Bring 243 to the right.
-3x^2 = -243
Divide by -3.
x^2 = 243/3 = 81
Tak the square root of both sides.
x = 81^1/2 = 9.