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3 years ago

Which are vertical angles?

Mathematics

2 answers:

zhuklara [117]3 years ago

7 0

Answer:

The verticle angles are AB and ED

Step-by-step explanation:

docker41 [41]3 years ago

5 0

I believe A & D and B & E

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15a2-6ab-8a2 - 5ab + 20+ a? - ab - 31 -

Crazy boy [7]

-12ab+7a power of 2 +a 11

6 0

2 years ago

L 5.2.3 Quiz: Two-Variable Systems: Substitution

Misha Larkins [42]

Answer:

We get x=3 and y=21

The ordered pair will be: (3,21)

Step-by-step explanation:

We need to use the substitution method to solve the system of equations.

$y = 10x-9\\y = x + 18$

For substitution method we substitute the value of x or y from one equation to other.

Let:

$y = 10x-9--eq(1)\\y = x + 18--eq(2)$

Putting value of y from equation 2 into equation 1

$y=10x-9\\Put\:y=x+18\\x+18=10x-9\\x-10x=-9-18\\-9x=-27\\x=\frac{-27}{-9}\\x=3$

So, we get value of x=3

Now, for finding value of y, We substitute the value of x

Find value of x from equation 2

$y=x+18\\x=y-18$

Now, putting value of x in equation 1

$y=10x-9\\Put\:x=y-18\\y=10(y-18)-9\\y=10y-180-9\\y-10y=-189\\-9y=-189\\y=\frac{-189}{-9}\\y=21$

So, we get value of y=21

So, We get x=3 and y=21

The ordered pair will be: (3,21)

6 0

2 years ago

2(x + 1 ) - 3(x + 5) ≥ 0<br> pls help

Furkat [3]

Answer:

x≤−13

Step-by-step explanation:

isolate the variable by dividing each side by factors that don't contain the variable

6 0

2 years ago

Is the sequence 2, 4, 8, 16, ... arithmetic? If so, find the common difference.

4vir4ik [10]

Answer:

First of all it's a geometric sequence and it is multiplying 2 every time

Step-by-step explanation:

2*2=4

4*2=8

8*2=16

8 0

1 year ago

Find the measurement of both complementary angles, if the measurement of the first one is 40° less than the measurement of the o

netineya [11]

90 - 40 = 50

Complementary angles add up to 90 degrees.

If one angle is 40 degrees less than the other, you just put it into an equation where 40 is subtracted from 90.

The answer would then be 50 degrees.

3 0

2 years ago