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Elena-2011 [213]
3 years ago
9

True or false m angle 1 <m angle 7​

Mathematics
1 answer:
tankabanditka [31]3 years ago
5 0

Answer:

False

Step-by-step explanation:

There might be a chance I am wrong though sorr for the inconvinience

You might be interested in
The sides of a right triangle have a relationship as depicted below, where x is the length of the longer leg in inches.
Ratling [72]
The equation to represent the area of the triangle would be:
y = 1/2(x²) - (7/2)x

The equation to represent the perimeter of the triangle would be:
y = 3x - 6

The solutions to the system would be (12, 30) or (1, -3).  The only viable solution is (12, 30).

Explanation
The area of a triangle is found using the formula
A = 1/2bh

For our triangle, b = x and h = x-7, so we have:
A = 1/2(x)(x-7)
A = 1/2(x²-7x)
A = 1/2(x²) - (7/2)x

We will replace A with y, so we have:
y = 1/2(x²) - (7/2)x

The perimeter of a triangle is found by adding together all sides, so we have:
P = (x-7) + x + (x+1)

Combining like terms we get:
P = 3x - 6

We will replace P with y, so we have:
y = 3x - 6

Since both equations have y isolated on one side, it will be easy to use substitution to solve the system:

3x - 6 = 1/2(x²) - (7/2)x

It's easier to work with whole numbers, so we will multiply everything by 2:
6x - 12 = x² - 7x

We want all of the variables on one side, so we will subtract 6x:
6x - 12 - 6x = x² - 7x - 6x
-12 = x² - 13x

When solving quadratics, we want the equation equal to 0, so we will add 12:
-12+12 = x² - 13x + 12
0 = x² - 13x + 12

This is easy to factor, as there are factors of 12 that sum to -13; -12(-1) = 12 and -12+-1 = -13:
0 = (x-12)(x-1)

Using the zero product property, we know that either x-12=0 or x-1=0; therefore x=12 or x=1.

Putting these back into our equation for perimeter (the simplest one) we have:
y = 3(12)-6 = 36-6 = 30; (12, 30);
y = 3(1) - 6 = 3 - 6 = -3; (1, -3)

We cannot have a negative perimeter, so the only viable solution is (12, 30).
8 0
3 years ago
Hey need some help, pretty desperate so please help thank you &lt;3
r-ruslan [8.4K]

Answer:

Hello!

answer x = 46

z = 24

y = 14

6 0
3 years ago
The area of a square is
harkovskaia [24]

square has 4 equal sides

so A = 144 =  12^2

A = L x W

= W. W

= W^2

12^2 = W^2

so W = 12

answer: one side of the square = 12

   

7 0
3 years ago
Read 2 more answers
Help on this this is the last one promise!!
tankabanditka [31]

6) check picture

a) all three lines are parellel and have the same slope. the only difference is that they are translated on different points on the x-axis.

not sure about the rest sorry :(

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER
mestny [16]
-4 - 1/3=-4.33333333333<span>

-4 - -1=-3

1/3 - 2=</span>-1.66666666667<span>

1/3 - 3 1/2=</span>-3.16666666667<span>

2 - 3 1/2=</span>-1.5<span>

-1 - 3 1/2=</span><span>-4.5</span>
3 0
3 years ago
Read 2 more answers
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