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Strike441 [17]
3 years ago
7

-3x + 3y = 6 y= 4x + 5

Mathematics
2 answers:
Katarina [22]3 years ago
5 0

Answer:

-3x+3*(4x+5)=6

-3x+12x+15=6

9x=6-15

9x=-9

x=-9/9

x=-1

y=4x+5

y=4*(-1)+5

y=-4+5

y=1

sesenic [268]3 years ago
3 0

Answer:

Step-by-step explanation:

-3x + 3y = 6.......(1)

y= 4x + 5............(2)

Putting (2) in (1)

-3x + 3(4x + 5) = 6

-3x + 12x + 15 = 6

9x = 6 -15

9x = -9

x = -9/9

x = -1

Putting x in (2)

y= 4x + 5

y = 4(-1) + 5

y = -4 + 5

y = 1

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Step-by-step explanation:

use formula of length of the diagonal of rectangle equal to d/rt2

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Find the missing side length of the triangie.<br> 12 in.<br> 35 in.
OlgaM077 [116]

Answer:

37

Step-by-step explanation:

Right Scalene Triangle

Side a = 37

Side b = 12

Side c = 35

Angle ∠A = 90° = 1.5708 rad = π/2

Angle ∠B = 18.925° = 18°55'29" = 0.3303 rad

Angle ∠C = 71.075° = 71°4'31" = 1.2405 rad

C=71.075°B=18.925°A=90°b=12a=37c=35

Area = 210

Perimeter p = 84

Semiperimeter s = 42

Height ha = 11.35135

Height hb = 35

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Median mb = 35.51056

Median mc = 21.2191

Inradius r = 5

Circumradius R = 18.5

Vertex coordinates: A[0, 0] B[35, 0] C[0, 12]

Centroid: [11.66667, 4]

Inscribed Circle Center: [5, 5]

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6 0
3 years ago
Please Solve and explain how to find the surface area of these triangular prisms
BARSIC [14]
<span>I think these are the right answers.
</span>
<span>---------------------------------------------------------------------------

For the first one:

The volume of the triangular prism is: 1030.25cm
The surface area of the triangular prism is:</span><span> 696.95cm

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

For the second one:
</span>
T<span><span>he volume of the triangular prism is: 42cm
</span>The surface area of the triangular prism is: 96cm</span>
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As for explaining how to find the volume of triangular prisms, use your G00GLE search engine and type "find the volume of triangular prism".

Enter in the data/numbers and it will calculate the answer along with step by step instructions on how it got the answer.

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Have a good day!!!





4 0
3 years ago
Factor 42x+28y using the GCF.
Y_Kistochka [10]
The GCF=2x7=14 
      42:   2     37
      28:   22   7

GCF=2    7
6 0
4 years ago
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