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dimulka [17.4K]
3 years ago
5

What is the result of subtracting the second equation from the first?

Mathematics
1 answer:
WARRIOR [948]3 years ago
4 0

Answer:

5x = 11.

Step-by-step explanation:

-4x - 2y = -2

x    - 2y =  9  

Subtracting:

-4x - x - 2y - (-2y) = -2 - 9

-5x - 2y + 2y = -11

-5x = -11

5x = 11.

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That is just multiply the number of choices for each
5 colors
2 lengths of sleaves
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5*2*3=30

answer is 30
C is answer
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3 years ago
Each scatter plot below shows the same data. Which scatter plot has the most reasonable line of best fit?​
Viktor [21]

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The second one where line go through more points

Step-by-step explanation:

3 0
3 years ago
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If the area is 48 cm and the radius is of the circle is 4 cm then what is the central angle
Digiron [165]

Answer:

Step-by-step explanation:

Area of sector = (∅/360°) x πr²

Area of sector = 48cm²

radius = 4cm

π = 3.14

48 =  (∅/360°) x 3.14 x 4 x4

48 = (∅/360°)  x 50.24

48/50.24 =(∅/360°)

0.9554  = (∅/360°)

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if it is radians

area of sector = 1/2r²∅

area of sector = 48

r = radius = 4

area of sector = 1/2r²∅

48 = 1/2 x 4 x4 x∅

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4 0
4 years ago
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What is the length of SA?<br> 1.89 ft<br> 2.43 ft<br> O<br> 3 ft<br> 7 ft
Brums [2.3K]

Incomplete Question, Figure is not there the required figure is attached below.

Answer:

The Correct option is third one 3 ft.

Therefore length of SA is 3 ft.

Step-by-step explanation:

Given:

BS = 10 ft

BT = 9ft

TC = 2.7 ft

TS || CA

To Find:

SA = ?

Solution:

Basic Proportionality Theorem:

Basic Proportionality Theorem States that "If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio".

Here, TS || CA        ......Given:

\dfrac{BS}{SA}=\dfrac{BT}{TC} ...Basic Proportionality Theorem

Substituting the values we get

\dfrac{10}{SA}=\dfrac{9}{2.7}\\\\SA=\dfrac{27}{9}=3\\\\\therefore SA =3\ ft

Therefore the length of SA is 3 ft.

5 0
3 years ago
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