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Radda [10]
2 years ago
13

What is 4xy-3xz+y-2x-5=

Mathematics
1 answer:
netineya [11]2 years ago
3 0

Answer:

xz+y-2x-5

Step-by-step equation

You can only combine like terms

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Find the measures of the numbered angles in each kite.
Vlad [161]

Answer:

x = 19°

y = 31°

Step-by-step explanation:

5x = 7x - 38

2x = 38

x = 19

y = 180 - 54 - 5(19)

y = 31

8 0
2 years ago
I think its identity but I'm not sure
victus00 [196]

Answer: C, you are correct

Step-by-step explanation:

7 0
3 years ago
The rectangle shown has a perimeter of 146 cm and the given area. Its length is 7 more than five times its width. Write and solv
dangina [55]

Answer:

System of equations:

L = 5W + 7

2W + 2L = P

L = 62 cm

W = 11 cm

Step-by-step explanation:

Given the measurements and key words/phrases in the problem, we can set up two different equations that can be used to find both variables, length and width, of the rectangle.  

The formula for perimeter of a rectangle is:  2W + 2L = P, where W = width and L = length.  We also know that the L is '7 more than five times its width'.  This can be written as:  L = 5W + 7.  Using this expression for the value of 'L', we can use the formula for perimeter and solve for width:

2W + 2(5W + 7) = 146

Distribute:  2W + 10W + 14 = 146

Combine like terms:  12W + 14 = 146

Subtract 14 from both sides:  12W + 14 - 14 = 146 - 14 or 12W = 132

Divide 12 by both sides:  12W/12 = 132/12 or W = 11

Put '11' in for W in the equation for 'L':  L = 5(11) + 7 or L = 55 + 7 = 62.

5 0
3 years ago
Complete the square:<br> x2 - 6x + 9=-13+ blank
kvasek [131]

Answer:

to complete the square, you add (b/2)^2  on both side. in this case, b is -6, half of -6 is -3, -3 squared is 9, so:

x^2-6x+9=-13+9

(x-3)^2=-4

This quadratic equation have unreal solutions

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
MAX is equiangular. If m&lt;M = (7x + 4)⁰ m&lt;A = (12x - 36)º, and m&lt;X = (10x – 20)⁰, find x.​
Musya8 [376]

Answer:

x = 8

Step-by-step explanation:

Since the triangle is equiangular then the 3 angles are congruent and of measure 60°.

Equate any of the 3 angles to 60 and solve for x, that is

7x + 4 = 60 ( subtract 4 from both sides )

7x = 56 ( divide both sides by 7 )

x = 8

3 0
3 years ago
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