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Oduvanchick [21]
2 years ago
7

I NEEEEED these answers

Mathematics
1 answer:
sattari [20]2 years ago
6 0

Answer:

1: x= 4

 2: x= 6

 3: x= 6

 4: x= 100

5: x= 1

 6: x= -3

 7: x= -8

8: x= 9

Step-by-step explanation:

 mark me brainiest

pls and ty!!

hope this helps!!

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Find the area of this shape. Round your answer to the nearest tenth
MrMuchimi

Answer:

The area of this figure is 31,29.

Step-by-step explanation:

We have to find also the area of the rectangle, then we will find the area of the circle and divide by 2 because here is a half circle.

area of the rectangle = b x h

area of the rectangle = 6 x 6

area of the rectangle = 36

diameter = 6

r = d : 2

r = 6 : 2

r = 3 ft

area of the circle = π x r²

area of the circle = 3,14 x 3 ft

area of the circle = 9,42 ft

area of half of circle = 9,42 : 2 = 4,71 ft

area of this figure = area of rectangle - area of half of the circle

area of this figure = 36 - 4,71

area of this figure = 31,29

So the area of this figure is 31,29.

I hope this is helpful. :)

3 0
3 years ago
When her number is divided by 12, the remainder is 6, what is the remainder when the number is idvided by 9?
pentagon [3]
Remainder: 6 when divided by 12
So 12x6= 72
Original number: 72
72/9= 8
The remainder: 8
3 0
4 years ago
A sign in front of a roller coaster says "You must be 40 inches tall to ride."
Naya [18.7K]

Answer:

54/40 = 1.35 or 135%

Step-by-step explanation:

7 0
3 years ago
Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. Together they
Anvisha [2.4K]
You would first make an equation to show their individual price per hour multiplied by hours worked then added together to equal total cost. let X be mechanic 1 and Y be mechanic 2

10x + 5y = 1225

the second equation will use their price per hour added together to equal combined cost per hour

x + y = 180

you would solve by substitution. to do so, isolate either x or y in the second equation. for convenience, I will isolate x

x = 180 - y

plug in (180 - y) for x in the first equation

10(180-y) + 5y = 1225

1800 - 10y + 5y = 1225

-5y = -578

y = 115.6

this means that the second mechanic charges $115.60 per hour

to find the price per hour for the first mechanic, plug in (115.6) for y in the second equation

x + 115.6 = 180
x = 64.4

the first mechanic charges $64.40 an hour
5 0
3 years ago
A worker at a clothing store earns a 15 % commission on a sale of $75.00 . How much is the commission
aksik [14]
15% = .15

75.00 x .15
 11.25
7 0
3 years ago
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