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Oliga [24]
3 years ago
8

The back frame of a dog house is in the shape of a triangle with an area of 6 square feet. The height of the frame is 4 feet.Wha

t is the width of the frame?
Mathematics
1 answer:
sveticcg [70]3 years ago
4 0
The formula for finding the area of a triangle is A = 1/2 b x h

Since we are given the area and the height, we can easily substitute these values into the equation then solve for the unknown width (base).

A = 1/2 b x h
6 = 1/2 b x 4
12 = b x 4
12/4 = b
b = 3 ft

Check the answer by plugging back into the formula
6 = 1/2 (3 x 4)
6 = 1/2 * 12
6 = 6  True statement so it checks!
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What’s the answer to this if u know tho! Thank uuu :)))
alukav5142 [94]

Answer:

180=40+(x+20)

x+20=140

x=120

6 0
3 years ago
Read 2 more answers
Which expression is NOT equivalent to the other three? A) −9 − 7n + 16n B) 9(n − 9) Eliminate C) n − 9 + 8n D) 9n − 9
yuradex [85]

Answer:

The expression is not equivalent to other three is 9(n-9) .

Option (B) is correct .

Step-by-step explanation:

Take first expression

= -9 -7n + 16n

= 9n-9

Take second expression

= 9(n-9)

= 9 × n - 9 × 9

= 9n - 81

Take third expression

= n-9+8n

= 9n-9

Take fourth expression

= 9n-9

Therefore expression is not equivalent to other three is 9(n-9) .

Option (B) is correct .

6 0
3 years ago
Read 2 more answers
2x + 4y = 12 y = x – 3 What is the solution to the system of equations?
sergeinik [125]
2x+4y=12
y=x-3

Since we know what y equals, we can plug this into the first equation:
2x+4(x-3)=12
We can then distribute:
2x+4x-12=12
And solve for x:
6x-12=12
6x=24
x=4
We can then plug x into the second equation and find y:
y=x-3
y=4-3
y=1

Therefore x=4 and y=1
8 0
3 years ago
becky visited the great pyramid of Giza she learned that the pyramid was originally 481 feet tall and it’s square base has size
qaws [65]

Answer:

90428160.3 ft³

Step-by-step explanation:

The question is on volume of a pyramid with a square base

The formulae for volume of a pyramid is V=( l×w×h)/3

where l is length of pyramid base, w is width of pyramid base and h is the height of the pyramid

The pyramid has a square base thus l=w= 751 feet

The height of the pyramid is h=481 feet

v= (751×751×481)/3

v=90428160.3 ft³

7 0
2 years ago
I NEED HELP WITH THIS PLEASE HELP ME
vekshin1

Answer:

156 minutes

Step-by-step explanation:

So we need to create an equation to represent how Frank's phone company bills him

  • I will denote "y" as the total for his bill
  • I will denote "x" as the number of minutes Frank uses

So the phone company charges an $8 monthly fee, so this value remains constant and will be our "y-intercept"

They then charge $0.06 for every minute he talks, this will be our "slope"

Combining everything into an equation, we have: y = 0.06x + 8

Now since we were given Franks phone bill total and want to figure out how many minutes he used, we just need to solve the equation for x and plug in our known y value

  • y = 0.06x + 8 → y - 8 = 0.06x → x=\frac{y-8}{0.06}
  • Then plugging in our y value we get x=\frac{17.36-8}{0.06}=\frac{9.36}{0.06}= 156

Frank used up a total of 156 minutes

3 0
3 years ago
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