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Irina-Kira [14]
4 years ago
6

the base of a ten foot ladder stands six feet from a house. How many feet up the house does the ladder reach

Mathematics
1 answer:
Ludmilka [50]4 years ago
5 0
In this problem you will need to use the Pythagorean theorem (c^2=a^2+b^2).
The a and b represents the two edges, while c is the diagonal side and it is called the hypotenuse. Since you already know what the hypotenuse is and what one of the sides already are you just have to use the problem: c^2-a^2=b^2. Then if you plug the data you already have into the problem you will get 10^2-6^2=b^2. That then equals 100-36=b^2. Then you subtract and get b^2=64. Then you square root both sides and you get the answer b=8.
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Mr. Abbot buys eight boxes of granola bars for a party each box has nine granola bars after the parties there are 39 bars left h
Fittoniya [83]

Answer:

no of box multiply by no of granolas then subtract 39 bars

8×9=72

72-39=33

7 0
3 years ago
A recipe calls for 2 1/2 cups of flour to make 24 cookies.how many cups of flour is required to bake 30 cookies
Alex17521 [72]
24 = 2/1/2 cups
1 cup = 9/3/5
30 = 3/1/8 cups
8 0
3 years ago
Find the ratio of 27m to 36m​
astraxan [27]

Answer:

3:4

Step-by-step explanation:

This is basically asking you to simplify the values and find the lowest ratio that compares their sizes. Starting with 27:36, you simplify. You could divide by 3, but 9 also works. Dividing both by 9 gives you 3:4, which is the most simplified answer.

5 0
3 years ago
Write this number in word form 3388198
mel-nik [20]
The answer is three million , three hundred , eighty eight thousand , one hundred , ninth eight
3 0
3 years ago
Solve each system of equations by showing the process of substitution.
bekas [8.4K]

Answer:

A. {x,y}={-2,-3}

// Solve equation [2] for the variable  x

 [2]    x = 2y + 4

// Plug this in for variable  x  in equation [1]

  [1]    (2y+4) - y = 1

  [1]    y = -3

// Solve equation [1] for the variable  y

  [1]    y = - 3

// By now we know this much :

   x = 2y+4

   y = -3

// Use the  y  value to solve for  x

x = 2(-3)+4 = -2

B.   [1]           3x=3y-6

 [2]           y=x+2

Equations Simplified or Rearranged :

  [1]    3x - 3y = -6

  [2]    -x + y = 2

Solve by Substitution :

// Solve equation [2] for the variable  y

 [2]    y = x + 2

// Plug this in for variable  y  in equation [1]

  [1]    3x - 3•(x +2) = -6

  [1]    0 = 0 =>  Infinitely many solutions

C.Step by Step Solution

More Icon

System of Linear Equations entered :

  [1]    4x - y = 2

  [2]    8x - 2y = 4

Solve by Substitution :

// Solve equation [1] for the variable  y

 [1]    y = 4x - 2

// Plug this in for variable  y  in equation [2]

  [2]    8x - 2•(4x-2) = 4

  [2]    0 = 0 =>  Infinitely many solutions

3 0
2 years ago
Read 2 more answers
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