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Dima020 [189]
3 years ago
13

30 POINTS!!!

Mathematics
2 answers:
spin [16.1K]3 years ago
8 0
This is an acute triangle
klio [65]3 years ago
6 0
Acute it is an Acute
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A banner is in the shape of a rectangle.It is 18 feet long and 9 feet wide.What is its perimeter?
Hatshy [7]

The given problem can be exemplified in the following diagram:

The perimeter of a figure is the sum of all of its sides, therefore, the perimeter of the figure is:

P=18ft+18ft+9ft+9ft

Adding the terms:

P=54ft

therefore, the perimeter is 54 feet.

6 0
10 months ago
What are the center and radius of the circle defined by the equation x^2 + y^2 -6x + 4y + 4=0
Sloan [31]

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - a coordinates of the center

r - a radius

x^2+y^2-6x+4y+4=0\ \ \ |-4\\\\x^2-2\cdot x\cdot3+y^2+2\cdot y\cdot2=-4\ \ \ |+3^2\ |+2^2\\\\\underbrace{x^2-2\cdot x\cdot3+3^2}_{(a-b)^2=a^2-2ab+b^2}+\underbrace{y^2+2\cdot y\cdot2+2^2}_{(a+b)^2=a^2+2ab+b^2}=-4+3^2+2^2\\\\(x-3)^2+(y+2)^2=3^2

Answer:

the center: (3, -2)

the radius: 3

5 0
3 years ago
Which polynomial is in standard form?
Elina [12.6K]

the

first equation is the answer of this question.

explanation

where the xy is in sequence so it is the standard form of polynomial

8 0
2 years ago
Solve this equation <br> 12y = 30
svp [43]

Answer:

hI!!

Y = 5/2

Step-by-step explanation:

Let's solve your equation step-by-step.

12y=30

Step 1: Divide both sides by 12.

12y/12 30/12

7 0
2 years ago
Read 2 more answers
Cell Phone Company A charges $20 each month plus $0.03 per text. Cell Phone Company B charges $5 each month plus $0.07 per text.
Sidana [21]
Ur equations are :
C = 0.03t + 20...this is company A
C = 0.07t + 5....this is company B

now...for them to be equal...set them equal and solve for t
0.03t + 20 = .07t + 5
-5 + 20 = 0.07t - 0.03t
15 = 0.04t
15/0.04 = t
375 = t.......there would have to be 375 texts

4 0
3 years ago
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