PLEASE HELP FAST!!
One method that meteorologists could use to find the height of a layer of clouds about the ground is to shine a bright spotlight directly up onto the cloud layer and measure the angle of elevation from a known distance away. Find the height of the cloud layer in the diagram to the nearest tenth
Answers
Answer:
367.6 mStep-by-step explanation:
Use trigonometry
Let the height of the cloud be x, then we have:
tan 35° = x/525x = 525 tan 35°x = 367.6 (rounded)The height of the cloud layer is 367.6 m
Related Questions
In this triangle what does b equal (it does not give me options)
Answers
The answer is 21.
Hope this helps. Have a nice day.
(a) Write 9.1% as a decimal,
(b) Write 0.216 as a percentage
Answers
Answer:
a) 0.091
b) 21.6%
Step-by-step explanation:
a) divide by 100
b) multiply by 100
Which angle is complementary to DFE? Pls answer
Answers
Answer:
<DFA
Step-by-step explanation:
When combined (<DFA and <DFE), they'll form 90 degrees which will make them complementary
Answer:
Two angles are called complementary if their measures add to 90 degrees, and called supplementary if their measures add to 180 degrees. If two angles are complementary then they will add up to be 90, or inversely, if two angles add up to be 90, then they are complementary. If you know one acute angle, you can calculate its complementary angle by subtracting 90 and the angle. When the sum of two angles is equal to 90 degrees, they are called complementary angles. For example, 30 degrees and 60 degrees are complementary angles.
The complement of −135° is the angle that when added to −135° forms a right angle (90° ).
Step-by-step explanation:
A shirt is on sale for $30. It was originally $40 What is the percent of the decrease?
Answers
Answer:
25% percent
Step-by-step explanation:
Please help me with finding the length of AC. I’ll make this 20 points since it’s kinda long. Please don’t guess my grades depends on it
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Since the triangle is a right angled, to find one side we should use the pythagoras theorem.
The longed side of the triangle is called the hypotenuse.
In equation form: x² + y² = z²
Therefore: 12² + x² = 13²
114+x²= 169
x²= 169-114
x²= 55
x = 7.41
Therefore the length of AC = 7.41
What’s 4x + 3 = 2x + 23 ?
Answers
4x+3=2x+23
-3. -3
4x=2x+20
-2x. -2x
2x=20
/2. /2
X=10
Answer:
= 10
Hope this helps if so don't hesitate to 'Thanks' and/or 'brainliest' this answer!
A company uses paper cups shaped like cones for its water cooler. Each cup has a height of 12 cm, and the base has a
radius of 3.5 cm. How much water is needed to fill 50 cups?
Use 3.14 for pi and do not round your answer.
Answers
Answer: 7693cm
Step-by-step explanation:
The volume of a cone is given as:
= 1/3πr²h
where π = 3.14
radius = 3.5cm
height = 12
Volume = 1/3πr²h
= 1/3 × 3.14 × 3.5² × 12
= 153.86cm³
Therefore, the amount of water that is needed to fill 50 cups will be:
= 153.86 × 50
= 7693cm
Ms. Aluma is 165 cm tall. She wants to find her height in meters. Divide her height in centimeters by 100 to find her height in meters.
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1.65 meters...........
Unit conversion is a way of converting some common units into another without changing their real value. Ms. Aluma is using the correct option.
What is Unit conversion?Unit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimetre is equal to 10 mm, though the real measurement is still the same the units and numerical values have been changed.
Given that Ms Aluma is 165 cm tall and She wants to find her height in meters. Therefore, if we divide her height in centimeters by 100 to find her height in meters.
Since 1 meter is equal to 100 cm, therefore, the method used by Ms. Aluma is correct. Therefore, the height of Unit conversion is,
Height of Ms. Aluma = 165 cm
= 165/100 meters
= 1.65 meters
Hence, Ms. Aluma is using the correct option.
Learn more about Units conversion here:
https://brainly.com/question/4736731
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A repairman charges $55 for a home visit plus $45 per hour for the time he spends making repairs. How many hours did he work if he was paid $212.50 for a home visit? Round to the nearest tenth.
Answers
Answer:
3.5
Step-by-step explanation:
Answer:
3.5 hours
Step-by-step explanation:
First, we can subtract 55 from 212.50 which equals 157.5.
Then we divide 157.5/45 which is 3.5
He worked 3 hours and 30 minutes
3.5 hours
Im giving Brainliest to the correct answer
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Answer:
Step-by-step explanation: ..............
Can someone plz help me with this one problem plz!!!
I WILL MARK BRAINLIEST!!!
Answers
Answer:
(1,6) , (2,7) , (3,8) , (4,9) , (5,10)
Step-by-step explanation:
Given equation: y = x + 5
when x = 1, y = 1 + 5 = 6
(1,6)
when x = 2, y = 7
(2,7)
when x = 3 , y = 8
(3,8)
when x = 4 , y = 9
(4,9)
when x = 5 , y = 10
(5,10)
PLS PLS HELP: GRADE 7 MATH!!!!!
Answers
Answer:
B and D
Step-by-step explanation:
La ecuación de la recta que pasa por los puntos (2,-1) y (1,-5) es:
y= 4x+9
y= 4x-9
y= x-9
ninguna de las anteriores
Answers
Given:
A line passes through the points (2,-1) and (1,-5).
To find:
The equation of the line.
Solution:
If a line passes through the two points, then the equation of the line is
[tex]y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]
The line passes through the points (2,-1) and (1,-5). So, the equation of the line is
[tex]y-(-1)=\dfrac{-5-(-1)}{1-2}(x-2)[/tex]
[tex]y+1=\dfrac{-5+1}{-1}(x-2)[/tex]
[tex]y+1=\dfrac{-4}{-1}(x-2)[/tex]
[tex]y+1=4(x-2)[/tex]
Using distributive property, we get
[tex]y+1=4(x)+4(-2)[/tex]
[tex]y+1=4x-8[/tex]
Subtract 1 from both sides.
[tex]y+1-1=4x-8-1[/tex]
[tex]y=4x-9[/tex]
Therefore, the correct option is B.
Can someone help me do 13, 14 and 15 thank u
Answers
Answer:
Step-by-step explanation:
PLEASE HELP WHAT IS THE ANSWER SHOW WORK PLEASE !!!
Answers
Answer:
d = 6.1m
n = 7km
Step-by-step explanation:
To find the variables, use tan
⇒ tan = [tex]\frac{opposite}{adjacent}[/tex]
finding d:
⇒tan 63 = [tex]\frac{d}{3.1}[/tex]
tan of 63 is 1.963
⇒ 1.963 = [tex]\frac{d}{3.1}[/tex]
multiply 3.1 on both sides
⇒ 1.963 x 3.1 = [tex]\frac{d}{3.1}[/tex] x 3.1
⇒ 6.0853 = d
round to the nearest tenth:
⇒ 6.0853 = 6.1
finding n:
⇒ tan 45 = [tex]\frac{7}{n}[/tex]
tan of 45 is 1
⇒ 1 = [tex]\frac{7}{n}[/tex]
multiply 7 on both sides:
⇒ 1 x 7 = [tex]\frac{7}{n}[/tex] x 7
7 = n
Answer:
D = 1.4, N =
Step-by-step explanation:
To get D you need to find the cosine of 63 degrees
Cosine(63) = D / 3.1
Multiply by 3.1 to isolate D :
3.1Cosine(63) = D
Put it into a calculator and you'll get 1.4.
Also, it's a 45-45-90 triangle so the 2 legs will be equal to each other.
Proof: To get N put you have to do the tangent of 45 degrees
Tan(45) = 7 / N
Now you can't to do this you have to multiply the both sides by N
N(tan(45)) = 7
Then divide both sides by (tan(45))
N = 7 / (tan(45)
Put it into the calculator and you'll get
You're having a party, and what party is complete without cupcakes? You decide that you're going to
make your own. You've invited some friends to the party. The recipe for cupcakes calls for 7 cups of
flour and 4 cup of milk. To remember this better, your mom suggests that you use a ratio.
1. What is the ratio of flour to milk? Write it in 3 ways.
2. What is you have more friends come over and your mom gives you 35 cups of flour to make
more cupcakes. How much milk will you need now? Draw a bar diagram to represent and
solve the problem.
Answers
Answer:
Answers are down below!! ;)
Step-by-step explanation:
1. 7 : 4
7 or 4
7 to 4
2. You will need 20 cups of milk.
ratio = 35:20
explanation: 35/7 = 5 and 4 x 5 =20
Bar diagram: (sorry it looks messy)
cups of flour l____________________________________________
cups of milk l_____________________
_________________________________________________
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38..
-----------------------------------------------------------
Hope this helps!! ;)
10th grade, plz help ihelppl
Answers
djdksjdhdjdishhsbdbSv
id.k
Could you guys please solve these equations?
12x-17 = 6x+7 solve for x
-8b+1 = -5(b + 4) solve for b
350+10(n-7) = 630+2(n-15) solve for n
thank you
Answers
Answer:
x = 4
b = 7
n = 40
I hope this helps!!!
Step-by-step explanation:
1) 12x-17 = 6x+7
+17 +17
*do this because you want to get all of the variables to one side and all of the constants to one side*
12x = 6x + 24
-6x -6x
6x = 24
*divide by 6 to get x alone, so you 24/6 = 4*
x = 4
2) -8b+1 = -5(b+4)
*must multiply -5 by everything in the parenthesises*
-8b+1 = -5b-20
-1 -1
-8b= -5b-21
+5b +5b
-3b = -21
b = 7
3) 350+10(n-7) = 630+2(n-15)
350+10n-70 = 630+2n-30
*combine like terms on both sides of the equation*
280+10n = 600+2n
-280 -280
10n = 320+2n
-2n -2n
8n = 320
n = 40
Four plumbers estimated the length of the radius of a cylindrical pipe. The estimates made by the plumbers are listed.
• Plumber W estimated that the radius had a length of 3/25 inches.
• Plumber X estimated that the radius had a length of \|3/11 inches.
• Plumber Y estimated that the radius had a length of 9/100 inches.
• Plumber Z estimated that the radius had a length of pi/24 inches.
Which list shows these lengths in order from greatest to least?
Answers
Answer:https://brainly.com/question/22157981
Step-by-step explanation:
https://brainly.com/question/22157981
help!! i’m super confused on these math question explain !!
Answers
The slope of a perpendicular line is the opposite reciprocal: meaning you change the sign (from - to + or from + to -) and flip the numerator and denominator (for example if your slope is -2, the perpendicular line’s slope would be 1/2).
First, find the slope of the graphed line. The two points you are given are (-1, 4) and (-2, 7). The formula for slope is m = (y2 - y1) / (x2 - x1) where m is the slope, and (x1, y1) and (x2, y2) are points. Plugging these points into the slope formula you get:
m = (7-4)/ (-2+1) = 3/-1 = -3.
The opposite reciprocal of -3 is 1/3, so the slope of the new line is 1/3.
In slope-intercept form, equations look like this: y = mx + b. M is your slope, and b is your y-intercept. You know the slope of the perpendicular line is 1/3 but still need to find the y intercept. To do this, first plug in your slope to the formula: y = 1/3x + b. Next, plug in (-6,5) to the equation for x and y and then solve for b.
5 = 1/3(-6) + b
5 = -2 + b
7 = b
Now you know what b is, you now have the full equation of the line: y = 1/3x + 7. You can now graph the line, too.
For #2, you are being asked to draw a line parallel to the graphed line which passes through the point (6,5)
The slope of a parallel line is the same as the slope of the original line.
The two points you are given are (-6,0) and (0,9). Plug these into the slope formula:
m = (9-0)/(0+6) = 9/6
The equation of the parallel line so far is y = 9/6x + b
Plug the point (6,5) into the equation to solve for b.
5 = 9/6(6) + b
5 = 9 + b
-4 = b
The equation is y = 9/6x -4. Now you just have to graph it.
I hope this helps :)
HELP ILL GIVE BRAINLIEST
Answers
Answer: The answer is B
Hope this helped love<3
Answer this please it is for 50 points
Answers
Answer:
1. 3
2. 1/9
3. 9/2
4. 1
Step-by-step explanation:
hope this helps
Answer:
1. 3
2. 1/9
3. 9/2
4. 1
I need help for geometry
Answers
The formula for calculating annual insurance premiums is
A. p = 12rb
B. p= 2drb
C. p= 2drf
D. p = 2rb
Answers
The formula for calculating annual insurance premiums is: D. p = 2rb.
What is Insurance premiums?Insurance premium can be defined as an insurance coverage that help to cover expenses incase of unforseen circumstance thereby saving cost.
Annual insurance premium is the amount that a person pays to an insurance company annually which will serve as an insurance coverage.
Inconclusion the formula for calculating annual insurance premiums is: D. p = 2rb.
Learn more about insurance premium here:https://brainly.com/question/25855858
solve the equation=3x =15
Answers
3x = 15
x = 15/3
x = 5
Answer:
x = 5
Step-by-step explanation:
3x = 15
x = 15/3
x = 5
Help, please giving 20 points
Answers
Answer:
the answer is c!
Step-by-step explanation:
Write the polynomial in descending order: 4x + 3x^2 - 1
Group of answer choice
A. 3x^2 + 4x - 1
B. 1 - 4x + 3x^2
C. -1 + 3x^2 + 4x
D. 4x + 3x^2 - 1
Answers
Answer:
3x^2+4x+1
Step-by-step explanation:
Given the polynomial function 4x + 3x^2 - 1
Rearranging in descending order means that we are to arrange the degree power from the highest to the lowest.
The term with the highest degree is 3x^2
Followed by 4x
Then the constant 1
Adding according to the descending powers
The polynomial in descending order will be 3x^2+4x+1
Answer:
It’s A!
Step-by-step explanation:
took the test :)
cv0627 answer this :))
Answers
they took my first answer off, so i came back. but honestly thank you for the points. have an amazing day!
Formula of perimeter square is
a) L×B
b) 2×(L+B)
c) 4×side
Answers
Answer:
B
Step-by-step explanation:
Eric got $70 for his birthday. He plans to use some of this money to buy a new video game, but he wants to have at least $14 remaining to buy a case for his earbuds. The inequality shown can be used to find g, the amount of money in dollars that Eric can spend on the new video game.
g+14≤70
Which inequality represents all possible values of g?
Answers
Answer:
g ≤ 56
Step-by-step explanation:
56 + 14 ≤ 70
70 ≤ 70