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DiKsa [7]
2 years ago
9

Girl runs across Across a rectangle field diagonal covering a distance of 120m if the length of the field is 100m calculate the

width of the field to the nearest metre
Mathematics
2 answers:
IgorLugansk [536]2 years ago
7 0

Answer:

66 m

Step-by-step explanation:

ok so if you think about it, when she runs diagonal she's creating a triangle where she is running along the hypotenuse. we can now use the Pythagorean Theorem a^2 + b^2 = c^2 to solve for the other side with two of them being known.

plug values in

100^2 + w^2 = 120^2

square known values

10,000 = w^2 = 14,400

subtract 10,000 from both sides

w^2 = 4400

take the square root

w = 66 (rounded to the nearest whole number)

Mariulka [41]2 years ago
4 0

Answer:

66m

Step-by-step explanation:

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Plz help i just started pretty confused
Elina [12.6K]

Answer:

right

neither

straight

neither

Step-by-step explanation:

The first angle is a right angle.  The box in the corner indicates a 90 degree angle

The second angle is less than 90 degrees so it is an acute angle

The third angle is a straight line so it is a straight angle.

The fourth angle is wider than 90 degrees  it is an obtuse angle

4 0
3 years ago
(Multiple Choice, 20 pts)
ivanzaharov [21]

Answer:

x = -3, x = 0 is a extraneous solution

Step-by-step explanation:

Step 1: Cross-multiply

3x² = 4x² + 3x

Step 2: Isolate <em>x</em>'s

0 = x² + 3x

Step 3: Factor

0 = x(x + 3)

Step 4: Find roots

x = 0, -3

Step 5: Double check work

Plug in both to see if they both work. Only x = 0 should be extraneous. We now have our answer!

3 0
3 years ago
NEED HELP!!!
Dahasolnce [82]

Answer:

No.

Step-by-step explanation:

The solution x = 0 means that the value 0 satisfies the equation, so there is a solution. “No solution” means that there is no value, not even 0, which would satisfy the equation.

7 0
3 years ago
Solution <br> 2 &gt; x/3 -1
Dmitry_Shevchenko [17]

Answer:

X < 9

Step-by-step explanation:

Add 1 to both sides

3 > x/3

multiply by 3 to get x by itself

9 > x

or

x < 9

6 0
3 years ago
Read 2 more answers
What is the range of the function on the graph?
Ainat [17]
Check the picture below.

includes 2, notice, it doesn't go below 2 over the y-axis, and then it keeps on going up.  So, the range is from +2 onwards.

4 0
3 years ago
Read 2 more answers
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