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GrogVix [38]
2 years ago
15

Need help or i fail and loose my gf

Mathematics
2 answers:
Olin [163]2 years ago
7 0

Wow that's a big threat. Don't want you to fail or loose your girlfriend so I'll help you out...

We know that x is 3 and y is -6 so replace the x and y with their corresponding numbers in the equation: 36x-8y^{2}. So...

36(3) - 8(-6)^{2}

Multiply 36 and 3 together:

108 - 8(-6)^{2}

Square -6

108 - 8(36)

Multiply -8 by 36

108 - 288

Subtract them and you get...

-180

Hope this helped! And tell your gf not to break up with you since you got this question right lol

Olegator [25]2 years ago
7 0

Answer:

c

Step-by-step explanation:

did you lose her

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can someone please answer questions 1,3,7,9 and 10 for me im dumb and suck so bad at geometry thank you
adell [148]

Answer:1,5

Step-by-step explanation:

7 0
3 years ago
Can some explain how to do this?
zepelin [54]

Answer:

  • Exact Area = 210.25pi - 210
  • Approximate Area = 450.185

The units for the area are in square inches or in^2. The approximate value shown above is when using pi = 3.14

=============================================================

Explanation:

Use the pythagorean theorem to find the length of the hypotenuse

  • a = 20
  • b = 21
  • c = unknown

a^2 + b^2 = c^2

20^2 + 21^2 = c^2

400 + 441 = c^2

c^2 = 841

c = sqrt(841)

c = 29

The hypotenuse is 29 inches long. This is the diameter of the circle. Half of that is the radius at r = d/2 = 29/2 = 14.5 inches.

The area of the circle is...

A = pi*r^2

A = pi*(14.5)^2

A = pi*210.25

A = 210.25pi

Which is exact in terms of pi

We'll subtract off the triangular region as this isn't shaded in. The area of the triangle is base*height/2 = 20*21/2 = 420/2 = 210 square inches.

So the shaded region is therefore 210.25pi - 210 square inches

This approximates to 210.25*3.14 - 210 = 450.185 when using the approximation pi = 3.14; use more decimal digits of pi to get a more accurate value.

4 0
3 years ago
What is the value of x? Enter your answer in the box.<br><br><br><br> i need to post graph
kondaur [170]
2x + 2 = 3x - 52
x = 54
4 0
3 years ago
Umm a little help pls?!
k0ka [10]

Answer:

116 degrees

Step-by-step explanation:

Supplementary Angles=180 degrees

64+x=180

180-64=116

116=116

6 0
2 years ago
Read 2 more answers
What is the value of x?
andrey2020 [161]

Answer:

x = 30°.

Step-by-step explanation:

To calculate the value of 'x', we can first derive the value of one of the angles that make up the triangle.

Notice that there is an angle with a measure of 100°. The angle that makes up the angle of the triangle is called a Vertical Angle. Therefore, if the angle in red is 100°, the vertical angle, or the third angle of the triangle, is 100°.

There are two congruent sides to the triangle, as seen by the congruent lines. This means that both of the other two angles must be equal. Find the value of 'x' by:

180 - 100 = 80. Since the value of one angle was 100°, and the angles in a triangle must add up to 180°, you can simply subtract to find the sum of the other two angles.

(x + 10) + (x + 10) = 80

2x + 20 = 80

2x = 60

x = 30°.

7 0
3 years ago
Read 2 more answers
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