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uysha [10]
3 years ago
12

How can i find the área of a triangle? please help.​

Mathematics
2 answers:
Anni [7]3 years ago
7 0

This is the area of a triangle

VladimirAG [237]3 years ago
4 0

Answer:

Use the formula Area=1/2bh

Step-by-step explanation:

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I really need help with this my deadline is very soon​
Harman [31]

Answer:

(3)\ y = -x

(5)\ y = -3x -2

Step-by-step explanation:

Required

The equation in slope intercept form

Solving (3):

m = -1

(x_1,y_1) =(4,-4)

The equation in slope intercept form is:

y = m(x - x_1) + y_1

This gives:

y = -1(x - 4) -4

Expand

y = -x + 4 -4

y = -x

Solving (5):

m = -3

(x_1,y_1) = (1,-5)

The equation in slope intercept form is:

y = m(x - x_1) + y_1

This gives:

y = -3(x - 1) - 5

Expand

y = -3x + 3 - 5

y = -3x -2

8 0
2 years ago
Evaluate each expression for the given value (please answer all)
Anna [14]

Answer:

-20a - 65 = -104  for  a = 2.7

-6x + 52 = 45  for  x = 1 1/6

Step-by-step explanation:

-20a - 50  for  a = 2.7

Insert 2.7 in for a.

-20(2.7) - 50 = -54 - 50 = -104

-6x + 52  for  x = 1 1/6

Insert 1 1/6 for x.

-6(1 1/6) + 52 = -7 + 52 = 45

8 0
3 years ago
Someone please help me with this.
svetlana [45]

Answer:

9

Step-by-step explanation:

m = j^2 -7p

18 = j^2 -7(9)

18 = j^2 - 63

81 = j^2

√81 = √j^2

9 = j

6 0
2 years ago
Read 2 more answers
Simplify 6 - 4[x + 1 - (y + 3)] + 5y
mezya [45]
-4x+9y+14 is the answer to the problem
3 0
3 years ago
The equations of two functions are y = −25x + 5 and y = −28x + 4. Which function is changing more quickly? Complete the explanat
Agata [3.3K]

Answer:

The y= -28x+4 function is changing more quickly because the -28 of x is the bigger number meaning it is the bigger slope.

Step-by-step explanation:

hopefully that helps, if not let me know of the option you have that I can select from to fully answer the question.

3 0
2 years ago
Read 2 more answers
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