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Zigmanuir [339]
3 years ago
11

HELP PLEASE BE QUICK The answer is 63 you just have to find out how to get it

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

63°

Step-by-step explanation:

Note that the tangents to the circle are at right angles to both radii

The sum of the angles in a quadrilateral = 360°

To find ? subtract the sum of the given angles from 360, that is

? = 360° - (117 + 90 + 90 )° = 360°- 297° = 63°

melomori [17]3 years ago
6 0

Answer:

63 degrees

Step-by-step explanation:

180 = 117 = 63

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Sports American football fields measure 100 yards long between the end zones, and are 53 1_3yards wide. Is the length of the dia
Ann [662]

Answer:

113 \frac{1}{3} Yards

Step-by-step explanation:

solving using  Pythagorean Theorem

a^2+b^2=c^2

100^2+53.33^2 = c^2

10,000+2844.0889=c^2

12844.1=c^2 square root

= 113 \frac{1}{3}

Base on the explanation above we can tell that the length of the diagonal across this field is less than 120 yards.

8 0
2 years ago
What is the gradient of the blue line? Need asap
Dominik [7]

Answer:

the gradient is -5/1 or -5 because it is a negative slope meaning you would go from top to bottom.

Step-by-step explanation:

mr clean

5 0
2 years ago
Read 2 more answers
Which sequence of transformations confirms congruence by mapping shape I onto shape II?
Lubov Fominskaja [6]

Answer:

  • Neither of the choices is correct.

Explanation:

<u>1. Coordinates of the vertices of the figure I (preimage):</u>

  • (10, - 5)
  • (15, -5)
  • (10, - 10)
  • (15, -10)

<u />

<u>2. Coordinates of the vertices of the figure II (image):</u>

  • (0,10)
  • (0,15)
  • (-5,10)
  • (-5, 15)

Since many different rigid transformations can map the figure I into the figue II, you will need to use trial and error.

The most important is to do it in an educated way.

I will start by eliminating some options.

The first option, a reflection across the x-axis and 15 units left, does not work, because the reflection across the x-axis would shift the figure to a lower position than what you need.

The third option, a 90º counterclokwise rotation about the origin then a translation 10 units up, would move the figure to the second quadrant, and we need it in the third quadrant.

I will try now with the second choice, a 90º clockwise rotation and then 25 units up:

First, a 90º clockwise rotation, which is the same that a 270º counterclockwise rotation, follows the rule (x, y) → (y, -x)

Then, that results in:

  • (10, - 5) → (-5, -10)
  • (15, -5) → (-5, -15)
  • (10, - 10) → (-10, -10)
  • (15, -10) → (-10, -15)

Now, you can see that shifting 25 units up will not work, because you need that two x-coordinates become 0 (zero). So, this is not the correct set of transformations either.

A 180º rotation about the origin and a translation 10 units right follow this chain of rules:

  • (x, y) → (-x, -y) → (-x + 10, -y)

That means:

  • (10, - 5) → (-10,5) → (-10 + 10, 5) = (0, 5)
  • (15, -5) → (-15, 5) → (-15 + 10, 5) = (-5, 5)
  • (10, - 10) → (-10, 10) → (-10 + 10, 10) = (0, 10)
  • (15, -10) → (-15, 10) → (-15 + 10, 10) = (-5, 10)

        These last points do not coincide either with the vertices of the figure II.

In conclusion, neither of the choices gives the correct answer to the question.

8 0
3 years ago
Read 2 more answers
you are building a rectangular wading pool you want the area of the bottom to be 90 ft squared you want the length of the pool t
katrin2010 [14]
We can form a system of equations:
x*y=90
and
x=2y+3.
Solving gives dimensions of 15 feet by 6 feet.
8 0
3 years ago
What is the slope of the line that contains these points?<br><br>Slope:
Semenov [28]

Answer:

-4

Step-by-step explanation:

Slope formula:

m=y2-y1/x2-x1

I will use (-1,10) and (1,2)

2-10/1-(-1)

Which is

-8/2

Divide:

-4

Thus the slope is -4

Hope this helps!

5 0
2 years ago
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