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lbvjy [14]
2 years ago
8

Need help with this like right now, asap

Mathematics
2 answers:
Keith_Richards [23]2 years ago
7 0

Answer:

h = 5

Step-by-step explanation:

The value of h can be obtained by using area of triangle formula as well as distance formula.

A(\triangle ABC) =\frac{1}{2} \times AB\times AC \\  \\ 60 =  \frac{1}{2}  \times  \sqrt{ {( - 3 + 3)}^{2} + (9 + 6) ^{2}  }  \\  \times  \sqrt{ {(h + 3)}^{2} +  {(9 - 9)}^{2}  } \\  \\ 60  \times 2=   \sqrt{ {( - 0)}^{2} + (15) ^{2}  }  \\  \times  \sqrt{ {(h + 3)}^{2} +  {(0)}^{2}  } \\  \\ 120=   \sqrt{ 0 + (15) ^{2}  }   \times  \sqrt{ {(h + 3)}^{2} +  0  } \\  \\ 120=   \sqrt{ (15) ^{2}  }   \times  \sqrt{ {(h + 3)}^{2} }  \\  \\ 120 = 15(h + 3) \\  \\  \frac{120}{15}  = h + 3 \\  \\ 8 = h + 3 \\  \\ h = 8 - 3 \\  \\ h = 5

Gemiola [76]2 years ago
6 0

Answer:

h = 5

Step-by-step explanation:

area = 1/2 base × hight

base = 3 +h

hight =9 + 6 = 15

60 = 1/2 × 15 × (3+h)

120/15 = 3 + h

8 = 3 + h

h = 5

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Hi can anyone help me with this please
Nostrana [21]

Answer:35in.

Step-by-step explanation:

I reccomend splitting it into sections when given problems like this.

The smaller two rectangles would be 5in * 2in which is 10in then just add them together.

For the bigger one, you'd do 5-2 in order to get the missing inches which will be 3+2 once added 5in*3in is 15in.

Finally, add 15+10+10 (15=The middle rectangle and 10=the sides)

8 0
3 years ago
Read 2 more answers
Please answer question now
nata0808 [166]

Answer:

469.42 ft²

Step-by-step explanation:

  • Law of sines;

         w/sin27 = 38/sin40

                   w = sin27*38/sin40

                    w = 26.84 ft

  • Angle x;

            ∡X = 180 - 27- 40 = 113º

  • Area;

              A = 0.5*(26.84)*(38)*sin(113)

            A = 469.42 ft²

8 0
2 years ago
Solve the system <br><br><br> x - 2y = -6<br> 3x + y = -4
stepan [7]


{x-2y=-6

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{x-2y=-6

<u>{6x+2y=-8     </u> (+)

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x=-2

3x+y=-4

3*(-2)+y=-4

-6+y=-4

y=2

Solution:  (-2; 2)

5 0
3 years ago
Please and thank you
natali 33 [55]

Answer:

0.0734888848 hope this helps

3 0
3 years ago
A group of workers can plant at a rate of 12 acres per day.
Rashid [163]

Answer:

36

Step-by-step explanation: if they do 12 acres per day.. it would be 36 for three days. 12x3=36

4 0
3 years ago
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