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cestrela7 [59]
3 years ago
9

Suppose a 15-foot ladder is leaning against a building, reaching to the bottom of a second-floor window 11 feet above the ground

. What angle, in radians, does the ladder make with the building? (Round your answer to two decimal places.)
Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Answer:

Angle in radian = 0.75

Step-by-step explanation:

Given:

Height  = 11 ft

Hypotenuse = 15 ft

Find:

Angle in radian

Computation:

Cosθ = Height / Hypotenuse

Cosθ =  11/ 15

Angle in radian = 0.75

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Joy started with 2.75 gallons of milk. She used 1.5 pints to make mashed potatoes and another cup to make cookies. How much milk
garri49 [273]
Ok so,
2.75 gallons =22 pints

22 pints - 1.5=20.5 pints

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41 cups - 1 cups= 40 cups

Answer= 40 cups or 20 pints or 2.5 gallons
5 0
3 years ago
Fiona, Dan and Stephen share £66 in a ratio 1:3:2. How much money does each person get?
Viefleur [7K]

Answer:

Fiona=11

Dan=33

Stephen=22

Step-by-step explanation:

Fiona:1/2+3+1×66

          1/6×66

         =11

Dan: 3/6×66=33

Stephen:2/6×66=22

8 0
3 years ago
What is the value of a? <br><br> –31<br> –7<br> –5<br> –1
gregori [183]

Answer:

i think its -31

Step-by-step explanation:

if im wrong im sorry

8 0
3 years ago
Read 2 more answers
(1+i)^2(x+yi)=4+5i<br> Solve for x and y
faust18 [17]

Answer:

x = 5/2

y = -2

Step-by-step explanation:

(1+i)² (x+yi) = 4+5i

(1+2i+i²)(x+yi) = 4+5i

(1+2i-1)(x+yi) = 4+5i

2i(x+yi) = 4+5i

2i²y + 2xi = 4+5i

-2y + 2xi = 4 + 5i

By comparing both sides,

-2y = 4

y = -2,

2x = 5

x = 5/2

7 0
2 years ago
I need help with this math topic, I don't understand anything :1
nikdorinn [45]
One easy way to understand it,is to turn the whole number into a fraction
6 0
3 years ago
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