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dangina [55]
2 years ago
14

(3y^2+4y+4)-(7y^2+3y-6)

Mathematics
1 answer:
e-lub [12.9K]2 years ago
3 0

plz mark brainliest if it helps

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Write and solve an equation to find the unknown angle.
Julli [10]
There's many properties you can use to find an unknown angle.

There are too many to lists but one core example would be an isosceles triangle that has two adjacent sides and angles.

Let's say that the sides of an isosceles triangle are any number "x"

now since two sides of the triangle are the same we can add these two x's together.

x+x = 2x

now the other side of the triangle can be anything you like. We can call it 4x for this example.

now if we add them all together we'll get 4x+2x=6x

Now since the angles of a triangle add up to 180 degrees
we can equate 6x=180 leaving x to be 30.

Now since x belongs to both sides of the triangle we can say that both angles are congruent as well because the two sides of the triangle are congruent. This is a known triangle law.

Since both angles are now 30 degrees this will leave us with 2(30) = 60

now if we subtract 180 - 60 we'll get 120 which is the remainder of the 3rd angle of the side that corresponds with 4x.
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5 0
3 years ago
Write the slope-intercept form of the equation of the line perpendicular to the
Anni [7]

Answer:

12x=4y........................................

6 0
2 years ago
What is the opposite integer of –(–7)?
klio [65]
-7

-(-7) is 7 because two negative signs result in a positive. The opposite integer of 7 is -7
7 0
3 years ago
I will give brainliest if you wanttt!
NikAS [45]

Answer:

8 + 1.5x + 0.75y = pizza_cost

Step-by-step explanation:

It is given that every 10-inch cheese pizza costs ($8), meaning that this will be the constant.

Let (x) represent the number of inches added to the pizza. Since each extra additional inch costs ($1.5) thus one adds (1.5x) to the equation.

Let (y) represent the number of toppings. Every extra topping costs ($0.75) therefore one has to add (0.75y) to the equation.

Putting all of the elements together one gets the equation,

8 + 1.5x + 0.75y

4 0
2 years ago
Explain how you could estimate 22% of 78 to check if your answer is reasonable.
Sedbober [7]

Answer:

Step-by-step explanation:

you could think that 22% is close to 25% , so one forth of it, 1/4

78 percent is close to 80

1/4 of 80 is 20

actually 78*22/100=17.16

7 0
2 years ago
Read 2 more answers
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