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Yuki888 [10]
3 years ago
7

What can be useful when finding the value of a variable

Mathematics
1 answer:
jeyben [28]3 years ago
8 0

Writing an equation would be most helpful, but depending on the situation drawing a diagram or reading a table could work better.

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Find the slope of the line that passes through (9, 6) and (4, 5).
boyakko [2]

Answer:

slope = \frac{1}{5}

Step-by-step explanation:

calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (9, 6 ) and (x₂, y₂ ) = (4, 5 )

m = \frac{5-6}{4-9} = \frac{-1}{-5} = \frac{1}{5}

8 0
2 years ago
SO basically uhh I suck at math
postnew [5]
Ok so you plug them in. -5 squared is 25 minus 27
6 0
3 years ago
Read 2 more answers
Math help please right answer
kvasek [131]

Answer:

135°

Step-by-step explanation:

The sum of interior angles in this rectangle is equal to 720

Two of the angles are right (has 90°)

so 4x + 180 = 720 subtract 180 from both sides

4x = 540 divide both sides by 4

x = 135°

6 0
3 years ago
Write an expression for the sequence of operations. Add 3 to x, double what you have, then subtract 1 from the result
galina1969 [7]

Answer:

[2(x+3)]-1

Step-by-step explanation:

7 0
3 years ago
What is the area of this figure?<br> Enter your answer in the box below.​
viva [34]

Answer:

A = 81 m²

Step-by-step explanation:

The formula for area of the parallelogram is

 A = LH         where L is the length of the base, and H is the height

L is given as 9, and H is given as 5, so

 A = (9)(5) = 45 m²

The are of the triangle is

 A = (1/2)bh         where b is the base and h is the height

b is given as 9.  Its's 9 because that side of the parallelogram is parallel to the base of the parallelogram and is also equal in measure.  The height of the triangle is give as 8, so the area is..

 A = (1/2)(9)(8)

       A = 36  m²

The total area is

45 m² + 36 m² = 81 m²

8 0
3 years ago
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