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Umnica [9.8K]
3 years ago
8

Please Help ASAP I’m confused

Mathematics
2 answers:
kykrilka [37]3 years ago
6 0

Answer:

a.12 feet is the answer pythagorean theory

never [62]3 years ago
5 0

Answer: 12

Step-by-step explanation:

For this question you would have to use pythagoras' theorem.

The formula to work out the shorter side is a²=c²-b² so for this question it would be a²=13²-5² when you put the numbers in the formula.

13²=169

5²=25

a²=169-25

a²=144

Then to work out a on it's own you would square root 144.

The square root of 144 is 12.

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A circle has a diameter of 100 cm. which of these is closest to its area? show or explain your reasoning.
Allisa [31]

Answer:

7,854 cm

Step-by-step explanation:

The area of a circle is given by πr², and the radius is the diameter/2:

100/2=50

π•50²=7,853.98≈7,854

6 0
3 years ago
Given that 2x + 7 equals 27 and 3x + 1 equals 28 does 2x + 7 equals 3 x + 1
ICE Princess25 [194]
2×+7=27
2×-7=27-7
2× =20
2/× =20/2
× = 10
2(10)+7=27


3×+1=28
3×-1=28-1=27
3× =27
3/× =27/3
× =9
3(9)+1=28

27 does not equal 28
so no

6 0
3 years ago
In the right triangle below, tanA = 0.45. What is the approximate length of AB?
garik1379 [7]
In the right triangle ABC wherein AB is the hypotenuse, BC is the opposite and CA is the adjacent tanA=0.45. The approximate length of AB which is the hypotenuse is 22, Opposite (BC) is 9 and Adjacent (CA) is 20. You need to use pythagorean formula in getting the length of AB.

YOUR ANSWER IS (22).
6 0
4 years ago
Read 2 more answers
If the height and base of the parallelogram shown are each increase by oneCM what is the area of the new parallelogram
-Dominant- [34]

Answer:

Let height be h

Base be B

thereforeNew area=(base+1)(hieght+1)

=(b+1)(h+1)

=bh+h+b+1

4 0
3 years ago
The fifth highest mountain is Makalu, its height, rounded to the nearest hundred, is. 27,800 feet. What is the highest that this
erik [133]
We know that

<span> the highest that this mountain can be is 27849 feet

because this number (27849 feet) rounded </span>to the nearest hundred is 27800 feet, however if the number were 27850 the number rounded to the nearest hundred would be 27900

hence

the answer is
27849 feet
4 0
4 years ago
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