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3 years ago

25 degrees decreased by 60%

Mathematics

1 answer:

photoshop1234 [79]3 years ago

7 0

Answer:

25 degrees decreased by 60% is 10

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What is x squared equals 9 over 256

Lady bird [3.3K]

Answer:

9^2/256

Exact form is 81/256

Decimal form is 0.31640625

Step-by-step explanation:

Raise 9 to the power of 2.

81/256

The result can be shown in multiple forms.

Exact Form:

81/256

Decimal Form:

0.31640625

4 0

2 years ago

A 12-foot ladder is leaning across a fence and is touching a higher wall located 3 feet behind the fence. The ladder makes an an

Svetllana [295]

Answer:

3 feet

Step-by-step explanation:

A 12-foot ladder is leaning across a fence and is touching a higher wall located 3 feet behind the fence. The ladder makes an angle of 60 degrees with the ground.

ladder is 12 foot

The ladder makes an angle of 60 degrees with the ground.

It form a right angle triangle . ladder is the hypotenuse

$cos(60)=\frac{x}{12}$

$0.5= \frac{x}{12}$

multiply 12 on both sides

x= 6

the distance from the base of the ladder to the bottom of the fence

x-3 = 6-3=3 feet

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3 years ago

Ian walked 4 miles in 90 minutes. Bob walked 7 miles in 2.5 hours. Are these rates in proportion? If no, who walked faster?

Yuliya22 [10]

Answer:

<h3>Bob walked faster than Ion.</h3>

Step-by-step explanation:

90/4=22.5

Ian - 1 mile in 22.5 minutes

2x60=120

60/2=30

120+30=150

150/7=21.43

Bob - 1 mile in 21.43

5 0

2 years ago

Read 2 more answers

How do you solve x2-8x+15=0

pishuonlain [190]

This website has a calculator that also has step-by-step explanations. https://www.mathpapa.com/algebra-calculator.html

5 0

3 years ago

Read 2 more answers

2[3(4^2 +1)] - 2^3.

Rina8888 [55]

Answer:

Step-by-step explanation

P.E.M.D.A.S

4^2=16

(16+1)=17

[3(17)]=51

2[51]=102

2^3=8

102-8=94

5 0

3 years ago