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n200080 [17]
3 years ago
7

Which ordered pair is a solution of the equation y=-9x+4

Mathematics
2 answers:
dmitriy555 [2]3 years ago
8 0
I'm gonna gonna go with C
fredd [130]3 years ago
6 0

Answer:

Option A. is the solution

Step-by-step explanation:

The equation of the line is y = - 9x + 4

We will plug in the values of each ordered pair given in the options. If they satisfy the equation, will be the solution of the eqaution.

Option A.

(10, -86)

-86 = - 9(10) + 4

-86 = -90 + 4

-86 = -86

Therefore, this ordered pair is the solution of the equation.

Option B.

(-4, -58)

-58 = -9(-4) + 4

-58 = 36 + 4

-58 = 40

Not the solution of the equation.

Option C.

(6, -41)

-41 = -9(6) + 4

-41 = -54 + 4

-41 = -50

Not the solution of the equation.

Option D.

(-6, 57)

57 = -9(-6) + 4

57 = 54 + 4

57 = 58

Not the solution of the equation.

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The interior angles formed by the sides of a quadrilateral have measures that sum to 360°.
vova2212 [387]

add all the angles and make them equal to 360

88 + 108 + (3x-6) + 2x = 360

196 + 5x -6 = 360

190 + 5x = 360

5x = 170

x = 34 = answer

4 0
2 years ago
A carpenter constructed a rectangular sandbox with a capacity of 10 cubic feet. If the carpenter were to make a similar sandbox
jeka57 [31]

Answer:

(D)80 ft³

Step-by-step explanation:

The volume volume of the sandbox is = L × W × H

Where L = Length, W= width, H= Height.

A sandbox has the same shape as a cuboid.

A cuboid is a solid shape with rectangular base and sides. It has six rectangular faces if all sides are closed.

From the question,

LWH = 10ft³ ........................ (1).

If a similar sandbox twice as long, twice as wide and twice as high.

∴ L₍n₎= 2L, W₍n) =2W, H₍n₎ = 2H

Where L₍n₎, W₍n), H₍n₎ is the new Length,  new Width and  new Height of the similar sandbox.

∴L₍n₎ ×W₍n)× H₍n₎  = 2L × 2W × 2H

   and Volume of the new sandbox = L₍n₎ ×W₍n)× H₍n₎

 ⇒Volume of the new sandbox = 2 × 2 ×2 ×L×W×H

     Volume of the new sandbox = 8 × LWH....................(2)

    In equation(1) LWH = 10ft³.

     Substituting the value in equation(2)

    ∴Volume of the new(similar) sandbox= 8 × 10

       =80ft³.

Therefore the capacity of the second sandbox in cubic feet is 80.

The answer is option (D).

     

7 0
3 years ago
How would you find the vertices of an image of a figure was rotated 270 degrees clockwise? 15 POINTS! DESPERATE
boyakko [2]

Rotation Coordinate Notation About the Origin:

90–degree counterclockwise: (x, y) → (-y, x)

180–degree counterclockwise: (x, y) → (-x, -y)

270–degree counterclockwise: (x, y) → (y, -x)

Use this to help you..

Example -

The vertices of a triangle are

( 1 , 3 ) ( 3 , -4 ) , ( - 6 , -8 )

270 degrees , clockwise , rotated from origin ( x , y ) - ( y , -x )

The first vertice = ( 1 , 3 )

after rotation - ( 3 , - 1 )

The second vertice = ( 3 , -4 )

After rotation - ( -4 , -3 )

The third vertice = ( -6 , - 8 )

After rotation - ( -8 , 6 )

Hope my answer helps!

5 0
3 years ago
Read 2 more answers
The midpoint of ST is M(7,3). One endpoint is T(7,5). Find the coordinates of the other endpoint S. Write the coordinates as dec
larisa [96]

Answer:

Step-by-step explanation:

ST = SM + TM

SM = X

TM = 5 - 3 = 2

SO

SM = 2

4 0
3 years ago
HELP PLEASE ANSWER ALL CORRECTLY!!
stellarik [79]
Girl if you don’t look up the answers besides asking us
5 0
3 years ago
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