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Varvara68 [4.7K]
3 years ago
9

Find the value of b to the shape

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
6 0

Answer:

b=99°

Step-by-step explanation:

108°+72°+81°+b=360°

b=99°

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If m 6=51, then m 7=
Sophie [7]

Answer:

m 7=129

Step-by-step explanation:

if 6 and 7 are right next to each other. it makes 180 degrees so you would take 180-51 to get your answer

6 0
2 years ago
David has 16 skate wheels, which he is putting on 4 boards to go with the 3 boards he has. How many boards does he have altogeth
Aleksandr-060686 [28]
He has a total of 7 Boards. he has 3 boards of his own and then you add the 4 additional boards that he has 
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3 years ago
It takes 300 newtons of force and a distance of 20 meters for a moving car to come to stop. How much work is a one n the cart?
IceJOKER [234]
Work done on cart
:

W
=
6000

J
Kinetic energy of cart
:

E
K
=
6000

J
Explanation:
Work done
W
is defined as the product of force
F
and distance
s
:
⇒
W
=
F
⋅
s
Let's substitute the values of
F
and
s
into the equation:
⇒
W
=
300

N

⋅
20

m
⇒
W
=
300

kg

⋅

m s
−
2

⋅
20

m
⇒
W
=
300
⋅
20

kg

⋅

m
2

s
−
2
⇒
W
=
6000

kg

⋅

m
2

s
−
2
∴
W
=
6000

J
The gain in kinetic energy
E
K
is the same amount as the work done moving the cart:
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7 0
3 years ago
Suppose you have 8 coins and you have at least one each of a quarter, a dime, and a penny. What is the least amount of money you
Black_prince [1.1K]

41 cents one quarter one dime six pennies

4 0
3 years ago
Please help me. I desperately need to pass Math T-T​
Ad libitum [116K]

Answer:

60 degrees

Step-by-step explanation:

C = 2(pi)r

The radius is 12 cm. We can find the circumference of a circle with radius 12 cm.

C = 2(pi)r = 2(3.14)(12 cm) = 75.36 cm

The length of the arc of the sector is 12.56 cm.

We can find the fraction this length is of the full circumference.

(12.56 cm)/(75.36 cm) = 1/6

The length of the arc of this sector is 1/6 the length of the circumference of the entire circle.

That means the angle of the sector is 1/6 the angle of an entire circle.

An entire circle has a central angle of 360 degrees.

1/6 * 360 degrees = 60 degrees

4 0
3 years ago
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