Given :
Distance of firefighter from the building, D = 33 feet.
Height of building, h = 45 feet.
To Find :
The angle of elevation of the cat.
Solution :
Let, angle of elevation is Ф.
We know, tan Ф = h/D
tan Ф = 45/33
Ф = tan⁻¹( 45/33 )
Ф = 53.75°
Therefore, angle of elevation is 53.75° .
Hence, this is the required solution.
What is the value of x?
Enter your answer in the box.
Answer:
111°
Step-by-step explanation:
The polygon given is a heptagon having 7 sides.
Sum of interior angles of a 7-sided polygon = (n - 2)*180
= (7 - 2)*180
= 5*180 = 900°
Therefore:
126° + 158° + 120° + 125° + 121° + 139° + x° = 900°
Solve for x
789° + x° = 900°
Subtract 789 from each side
x = 900° - 789°
x = 111°
During a 60-minute period, a traffic engineer counted 66 trucks and cars that crossed a bridge. The ratio of trucks to cars that travel across the bridge is usually 3:8. The equation 3 8 = t 66 − t 3 8 = t 66 − t can be used to predict the number of trucks, t, the engineer should have counted. How many trucks should the engineer have counted?
Answer:
18
Step-by-step explanation:
t = Number of trucks counted
c = Number of cars
Ratio of trucks to cars = [tex]\dfrac{t}{c}=\dfrac{3}{8}[/tex]
Total number of cars and truck = 66
[tex]t+c=66[/tex]
Divide the left and right side by the number of cars
[tex]\dfrac{t+c}{c}=\dfrac{66}{c}\\\Rightarrow \dfrac{t}{c}+1=\dfrac{66}{c}\\\Rightarrow \dfrac{3}{8}+1=\dfrac{66}{c}\\\Rightarrow \dfrac{11}{8}=\dfrac{66}{c}\\\Rightarrow c=66\times \dfrac{8}{11}\\\Rightarrow c=48[/tex]
Total number of cars is 48
so
[tex]t=66-c\\\Rightarrow t=66-48\\\Rightarrow t=18[/tex]
Total number of trucks counted is 18.
please help asap! it’s 1-10!
Answer:
1. yes, 3:2
2. no, population has an unproportional rate of change.
3. no, miles have an unproportional rate of change.
4. yes, 8:1
5. no, questions have an unproportional rate of change.
6. yes, 5:2
7. yes, 9:1
8. no, pounds have an unproportional rate of change.
9. no, days have an unproportional rate of change.
10. yes, 3:1
Which of the following capital letters results in the same letter over again when reflected about a
horizontal line? (1 point)
Ο:Α
O:Y
O:S
O:D
Answer: D
Step-by-step explanation:
When D is reflected over a horizontal line (think of it as a mirror on the ground with D on top of it), the reflection will show the letter D in the same way all over again.
I have attached a picture to show it. It's a tad unclear but I believe gets the point across.
Noa was paid a 25 percent commission for selling a used car.
Percents
Total
100%
If she was paid $1,631.24, what was the selling price of the car?
$4,078.10
$6,524.96
$8,156.20
$40,781.00
Answer:
$6,524.96
Step-by-step explanation:
His quarter commission times four is the awnser
Answer:
BHOPE THIS HELPSWrite an equation of the line passing through point P(4,0) that is parallel to the line -x + 2y = 12.
Which Figure is a rotation of the Blue Figure?
A
B
C
D
When a number n is divided by 10000, the quotient is 1 and the remainder is 2011. The quotient and the remainder when n is divided by 2011 are respectively.
Answer:
[tex]Remainder = 1956[/tex]
[tex]Quotient = 5[/tex]
Step-by-step explanation:
Given
[tex]Dividend = n[/tex]
[tex]Divisor = 10000[/tex]
[tex]Quotient = 1[/tex]
[tex]Remainder = 2011[/tex]
Required
Determine the quotient and remainder when the divisor is 2011
First, we need to determine the value of n.
The relationship between the given parameters is:
[tex]Dividend = Quotient * Divisor + Remainder[/tex]
Substitute values in the above:
[tex]n = 1 * 10000 + 2011[/tex]
[tex]n = 10000 + 2011[/tex]
[tex]n =12011[/tex]
So, we divide 12011 by 2011 and record the quotient and divisor:
[tex]\frac{12011}{2011} =[/tex]
The integer division of 12011 and 2011 is 5.
The remainder is calculated using:
[tex]Dividend = Quotient * Divisor + Remainder[/tex]
Where
[tex]Dividend = 12011[/tex]
[tex]Quotient = 5[/tex]
[tex]Divisor = 2011[/tex]
So, Remainder =:
[tex]Remainder = 12011 - 2011* 5[/tex]
[tex]Remainder = 12011 - 10055[/tex]
[tex]Remainder = 1956[/tex]
Hence:
[tex]\frac{12011}{2011} = 5\ Remainder\ 1956[/tex]
Find the values of x and y.
Answer:
x = 45°, y = 85°
Step-by-step explanation:
x = 45° ( Alternate angles )
y = 85° ( Corresponding angles )
HELP WITH THIS MATH!!! IM TIMED
Answer:
Table C)
Step-by-step explanation:
[tex]y=-x+3\\x+y=3\\Hence,\\Considering\ Table\ C\,\\Substituting\ x=-3,y=6\\6=3+3\\6=6 (LHS=RHS)\\\\Substituting\ x=0, y=3\\3=3 (LHS=RHS)\\\\Substituting\ x=3, y=0,\\0=-(3)+3\\0=0 (LHS=RHS)[/tex]
Answer:
the 3rd one :)
Step-by-step explanation:
rewrite this expression
[tex] \sqrt[5]{x} [/tex]
State the slope and y-intercept of the graph of y - x = -2.
Answer:
the slope is 1
the y-int is -2
Answer:
Slop=1 y-intercept=-2
Step-by-step explanation:
Evaluate the expression 4^3÷(7-3) × 2 PLEASE HURRY AND HELP ME I DONT HAVE MUCH TIME TILL ITS DUE
Answer:
The answer is 32.
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
How many solutions can be found for the equation 4x + 5 = 10? (4 points)
a. Zero
b. One
c. Two
d. Infinitely Many
What is the difference between ordering numbers, comparing numbers, and comparing amounts?
Answer:
different definitions
Step-by-step explanation:
ordering numbers can be seen as arranging the numbers by a certain characteristics. for example, you could order numbers from least to greatest
comparing numbers can be seen as looking into two or more numbers rather than the entire group of numbers. for example, if there were the numbers 1, 2, 3, 4, 5, 6, you could say that 2, 4, 6, are even numbers
comparing amounts could be determined by worth but not the numerical values. for example, you could have a gallon of milk and a quart of orange juice but just by the size of the container, a gallon of milk is bigger and holds more than a quart of orange juice
Which property was used to simplify the expression?
4(b+2) = 4b+8
distributive property
commutative property
associative property
inverse property
Answer:
distributive
Step-by-step explanation:
they took the number outside of the parentheses and multiplied by the inside
hurryyyyyyyyyyy 5/6 - 1/4=
yes subtraction
Step-by-step explanation:
(5x4)/(6x4) - (1x6)/(4x6)
=20/24 - 6/24
= (20-6)/24
=14/24
=7/12
give me brainliest
#30 PLEASE HELP!! DUE SOON :(
Answer:
Step-by-step explanation:
Use this to help; starting out, this is coordinate plain, NOT TO SCALE.
Use the coordinates to figure out midpoints. If you don't know how to, look up the calculation method for it.
Sorry I couldn't help out more, gotta get back to essay.
Which side of DEF is the longest?
Answer:
Letter B
Segment DF
Step-by-step explanation:
helppp
The value -2 is a lower bound for the zeros of the function shown below.
f(x) = 4x^3– 12x^2-x+15
A. True
B. False
someone pls help and dont troll
Answer: A
Step-by-step explanation:
2x + 9 = 15
2x = 6
x = 3
2x+9 = -15
2x = -24
x = -12
What is the measure of A, in degrees?
Answer:
Um... D
Step-by-step e xplanation:
What is the measure of angle b?
A) 54
B) 46
C) 126
D) 136
FREE BRAINLY! What is the equation of the line perpendicular to the line y = -3 and passing through the point (2, -1)?
Answer:
[tex]x=2[/tex]
Step-by-step explanation:
We want the equation of the line perpendicular to y=-3.
Notice that y=-3 is a horizontal line.
Therefore, in order to be perpendicular, our new equation must be vertical.
We know that it must pass through the point (2, -1).
Since it must be vertical, it must pass through the x-coordinate.
Therefore, our line must be:
[tex]x=2[/tex]
It passes through (2, -1) and is a vertical line, so it’s perpendicular to y=-3.
Answer:
x=2
Step-by-step explanation:
Find the product of the two binomials below
(x-8) (x+4)
Can you guys help with these questions!!
Answer:
You line up the letters
If you go shopping and a pair of jeans cost $50.00 but they are on sale for 50% off or 1/2 off what is the price of the jeans
Answer:
$25
Step-by-step explanation:
you just subtract 25 from 50 since 25 is half of 50.
Pls help I will give u 50 points
Answer:
y=13.50x
Explanation:
Answer:
Step-by-step explanation:
stop the cappppppppppp
∦∦∦∦∦∦∦∦∦∦∦~>~>~>~>~>~>~>~>~>~>~>~>~~>>~>~~>~>~>~>~>~>~>~>~>~>~>~>~>~>~>~>~>~>>~~
Halp meh
What is the image of (0,7) after a reflection over the x-axis
Answer:
(0, - 7 )
Step-by-step explanation:
Under a reflection in the x- axis
a point (x, y ) → (x, - y ), thus
(0, 7 ) → (0, - 7 )