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wlad13 [49]
3 years ago
13

HELPPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
andrezito [222]3 years ago
5 0
The interior angles of a triangle is equal to 180
So you add 45+55=100 then you subtract that from 180 which makes the other interior angle equal to 80 and because a flat line is also equal to 180 you subtract 180-80 which equals 100

So the answer would be 100
tiny-mole [99]3 years ago
4 0

the answer is x=100°

...........

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Dustin is buying carpet for the living room. How many square feet of carpet will he need to buy?
rusak2 [61]

Complete Question:

Dustin is buying carpet for the living room. If the length of the room is 21 ft and the width

is 11 ft, how many square feet of carpet does he need to buy?

Answer:

231 ft²

Step-by-step explanation:

==>GIVEN:

Length of room (L) = 21 ft

Width of room (W) = 11 ft

==>REQUIRED:

Square feet of carpet to be bought = area of the rectangular room

==>SOLUTION:

The room to be covered with carpet is rectangular in shape. In order to ascertain the square feet of carpet to be bought, we need to calculate the area of the room by using the formula for area of rectangle.

Thus, area of rectangle (A) = Length (L) × Width (W)

A = 21 × 11

A = 231 ft²

Square feet of carpet to be bought = 231 ft²

5 0
3 years ago
answers please asap for this question please i have been waiting for ever and its due tomorrow the 10th
ololo11 [35]
Hi there!

First, let's create an equation for the table: m = 2n + 40. Using this equation, we can find the values of x, y, and z.

WORK:
x = 2(4) + 40
x = 8 + 40
x = 48
y = 2(5) + 40
y = 10 + 40
y = 50
z = 2(6) + 40
z = 12 + 40
z = 52

Next, using the equation, we know that the initial investment would be 40, since that is the y-intercept of the equation. To express M in terms of N, that would be our equation m = 2n + 40. To find 10 years, we'll plug in 10 for n.

WORK:
m = 2(10) + 40
m = 20 + 40
m = 60 after 10 years

To figure out when his investment would double, we'll need to use 80 (double his initial investment of 40) in place of m.

WORK:
80 = 2n + 40
40 = 2n
n = 20 years


Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
7 0
3 years ago
If function F is defined by f(x) = 3x^2 + 5, what is f(x-4)
shepuryov [24]

Answer:

The function f(x) when x=x-4 is f(x-4)=3x^2-24x+53  or f(x-4)=3x(x-8)+53

Step-by-step explanation:

Given function f is defined by f(x)=3x^2+5

Now to find the function f(x-4):

f(x)=3x^2+5

Put x=x-4 in the above function we get

f(x-4)=3(x-4)^2+5

f(x-4)=3(x^2-2(x)(4)+4^2)+5 (using the formula (a-b)^2=a^2-2ab+b^2)

f(x-4)=3(x^2-8x+16)+5

f(x-4)=3x^2-24x+48+5 (adding the like terms)

f(x-4)=3x^2-24x+53

f(x-4)=3x(x-8)+53

Therefore f(x-4)=3x^2-24x+53  or f(x-4)=3x(x-8)+53

The function f(x) when x=x-4 is f(x-4)=3x^2-24x+53  or f(x-4)=3x(x-8)+53

4 0
3 years ago
Write the word sentence as an equation. Then solve the equation.
Stels [109]

Answer:

Equation: x/-9=-16

Solution: x=144

Step-by-step explanation:

3 0
3 years ago
What are the domain and range of the function f(x)= Squrt x-7+9
AnnyKZ [126]

Answer:

  • domain: x ≥ 7
  • range: f(x) ≥ 9

Step-by-step explanation:

The domain is the set of values of x for which the function is defined. Those are the values of x that make the square root argument non-negative:

  x -7 ≥ 0

  x ≥ 7

__

Since the square root cannot be negative, the sum of it and 9 cannot be less than 9. The range is ...

  f(x) ≥ 9

6 0
3 years ago
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