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Aleks04 [339]
3 years ago
13

Can someone -that knows how to calculate how many gallons of paint will cover a room- help me??

Mathematics
1 answer:
never [62]3 years ago
5 0

Answer:

try option D that should be correct

Step-by-step explanation:

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Jenna drew irregular quadrilateral ABCD inscribed in circle P. She knows that: m∠3=2⋅m∠1, and m∠2=2⋅m∠4, and m∠2+m∠3=360°. What
Mrrafil [7]

Answer:

The generalisation she can make from her work is that the other two angles of the quadrilateral are supplementary i.e their sum is 180°

Step-by-step explanation:

We are given the following from what she knows

m∠3=2⋅m∠1... 1

m∠2=2⋅m∠4 ... 2

m∠2+m∠3=360 ... 3

From what is given, we can substitute equation 1 and 2 into equation 3 as shown:

From 3:

m∠2+m∠3=360

Substituting 1 and 2 we will have:

2⋅m∠4 + 2⋅m∠1 = 360

Factor out 2 from the left hand side of the equation

2(m∠4+m∠1) = 360

Divide both sides by 2

2(m∠4+m∠1)/2 = 360/2

m∠4+m∠1 = 180°

Since the sum of two supplementary angles is 180°, hence the generalisation she can make from her work is that the other two angles of the quadrilateral are supplementary i.e their sum is 180°

7 0
3 years ago
Please help I will give a brainless or brainly
enot [183]

Answer:

2x - 12 + 6 = 4x - 4

2x- 6 = 4x - 4

-6 +4 = 4x - 2x

-2 = 2x

x= -2/2

x = -1

5 0
2 years ago
Read 2 more answers
determine whether the equation represents a direct varation. if it does, find the constant, find the constant variation. 2y = 5x
SVETLANKA909090 [29]
Is it 5x1?
or 5x+1   cause i'm confused 
6 0
3 years ago
(x+2)^2 - (y+3)^2 factories this. Pls help me .​
alekssr [168]

Answer:x^2−y^2+4x−6y−5

Step-by-step explanation:

7 0
3 years ago
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If (20, 14) is an ordered pair of the inverse of F(x), which of the following is an
Law Incorporation [45]

Answer:

  A.  (14,20)

Step-by-step explanation:

The inverse relation is found by swapping x and y in the ordered pair.

When ...

   14 = f^-1(20)

then ...

  20 = f(14)

The corresponding ordered pair is (14, 20).

3 0
3 years ago
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