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3 years ago

Reference angle of 145

Mathematics

2 answers:

Dafna1 [17]3 years ago

6 0

Picture? I need a picture to be able to solve the problem

nikdorinn [45]3 years ago

3 0

Answer:

Add 360° 360 ° to −145° - 145 ° .

The resulting angle of 215° 215 ° is positive and coterminal with −145° - 145 ° .

Since the angle 180° is in the third quadrant, subtract 180° from 215°

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Veronika [31]

Answer:

It would be A

Step-by-step explanation:

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5 0

3 years ago

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What is the area of the irregular pentagon

V125BC [204]

Answer:

Answer is 105 in^2

Step-by-step explanation: Area of rectangle= length X breadth

= 8X12

=96in^ 2

Area of triangle= 1/2 X base X height

= 1/2 X 3 X 6

= 9 in^2

Area of irregular pentagon = area of triangle + area of rectangle

= 96+9

=105 in ^2

8 0

4 years ago

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While on vacation in Canada, you notice that temperatures are reported in degrees Celsius. You know there is a linear

sashaice [31]

Since , the relation is linear .

Let equation is y = mx + c .

Putting , x = 0 and y = 32 .

32 = c .......( 1 )

Also , putting x = 100 and y = 212 .

We get :

212 = 100m + c .......( 2 )

Comparing equation 1 and 2 .

100m = 212 - 32

x = 1.8

Therefore , y = 1.8x + 32 .

Hence , this is the required solution .

7 0

4 years ago

Simplify : (-7/18 × 15/-7) - (1 × 1/4) + (1/2 × 1/4)

bixtya [17]

Answer:

17/24

Step-by-step explanation:

This expression simplifies to the following:

-7 15 1 1

---- * ----- - ----- + -----

18 -7 4 8

Reducing the product, we get

15 1

-------- - -----

18 8

and this simplifies further:

5 1

----- - -----

6 8

The LCD is 24. Thus, we have:

20 3 17

------ - ----- = -----

24 24 24

4 0

3 years ago

The Senior class has 350 students. How much is the total bill if the Student government wants to buy each Senior a T-shirt costi

Scilla [17]

To find the cost of Senior T-shirts needed, 
Multiply (the number of students) by (how much each T-shirt costs).
350 × 7.2 = $2520
To find the cost of the yearbooks needed,
Multiply (the number of students) by (how much each yearbook costs).
350 × 24.75 = $8662.5
Now, find the TOTAL money the Student government has to pay.
Add up the two sums.
2520 + 8662.5 = $11182.5

SO, the answer is $11182.5

3 0

3 years ago

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