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Karo-lina-s [1.5K]
3 years ago
11

At 3pm corettas shadow is 1.03 meters long. Her height is 1.65 meters at the same time, a trees shadow is 5.57 meters long. How

tall is the tree
Mathematics
1 answer:
Komok [63]3 years ago
3 0
3.477 meters long...................
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9.6x-15.4=-4.3x+26.3
AlekseyPX

<u>Solve for x:</u>

Add 4.3x on both sides so that the variable can be on one side.

9.6x - 15.4 = -4.3x + 26.3

+4.3x            +4.3x

Add 15.4 on both sides so that the whole number stays on one side separate from the variable.

13.9x - 15.4 = 26.3

         +15.4   +15.4

Divide both sides by 13.9.

13.9x = 41.7

-------     -----

13.9       13.9

Now you get a solution of:

x = 3

<u>Check:</u>

9.6(3) - 15.4 = -4.3(3) + 26.3

28.8 - 15.4 = -12.9 + 26.3

13.4 = 13.4

       

8 0
3 years ago
Find the equation of the line that passes through the points (12,21) and (46,33). V.35r-162
AnnZ [28]

Answer:

the answer is Y=(6/17)X + (285/17)

Step-by-step explanation:

1. Identify the X and Y coordinate of each point.            

for example, the first point could be (12,21), therefore X1 = 12 and Y1 = 21 and the second point is then (46,33), therefore X2 = 46 and Y2 = 33

2. to find the equation of the line it is necessary to find the slope.

knowing that the equiation of the slope is M = Y2-Y1/X2-X1 we replace

  m=\frac{33-21}{46-12}=\frac{12}{34} and then we simplify the result to \frac{12}{34}

3. Using the Point-slope equation which is  Y-Y1=M(X-X1) we replace

 Y-33=\frac{6}{17}(X-46)

Y=\frac{6}{17}X-\frac{276}{17}+33

Y=\frac{6}{17}X+\frac{285}{17}

7 0
3 years ago
The tables show some input and output values:
blsea [12.9K]
The answer is 2.Only B because, functions can't have input values of the same number. Table B has <span>7, 3 & 7,2 which both have 7 as their input value. </span>
5 0
4 years ago
Read 2 more answers
Write two perfect squares that each have a value greater than 100 and less than 200.
amm1812

{11}^{2}  = 121
And

{12}^{2}  = 144
8 0
3 years ago
Select all equations that have the solution x = 7.
shusha [124]

Answer:

1st,2nd, and 4th

Step-by-step explanation:

1)

2x + 14 = 28➡ x = 7

2)

60 = 4x + 32 ➡ x = 7

3)

2x - 6 -12 = -2x - 20 ➡ 4x = -2x = -1/2

4)

3x - 15 = 1 + 5x - 30 ➡14 = 2x ➡ x = 7

3 0
3 years ago
Read 2 more answers
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