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jarptica [38.1K]
3 years ago
8

Geometry Parallel Angles (In The Screenshot)

Mathematics
1 answer:
saw5 [17]3 years ago
4 0

Answer:

x equals -11

Step-by-step explanation:

all angles of a triangle have to add up to be 180°

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9. Rama is using a hand glider to fly directly from the top of one cliff onto another cliff below. The glider is guided by a cab
dexar [7]

Answer:

791.2 ft

Step-by-step explanation:

The cable is inclined and this acts as the hypotenuse. Since the other two sides are given.

H=\sqrt {x^{2}+y^{2}}

where x and y represent the distance between two cliffs apart and difference in heights. Substituting 740 for x and 280 for y then

H=\sqrt {740^{2}+280^{2}}=791.20161779409930627669981858168023442712 ft\approx 791.2 ft

6 0
4 years ago
Read 2 more answers
Find the distance between points C(-1, -1) and D(6, 2) to the nearest tenth.
givi [52]

Answer:

≈ 7.6

Step-by-step explanation:

Calculate the distance using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 1, - 1) and (x₂, y₂ ) = (6, 2)

d = \sqrt{(6+1)^2+(2+1)^2}

  = \sqrt{7^2+3^2}

  = \sqrt{49+9}

  = \sqrt{58} ≈ 7.6 ( to the nearest tenth )

8 0
4 years ago
What must be added to 3x-7 to make x^2 +4x-1 ?
Snowcat [4.5K]
<span> x²+4x-1 - (3x - 7) = x² + 4x - 1 - 3x +7 = x² + x + 6

</span>x² + x + 6 should be added to 3x - 7  to make  x²+4x-1.
7 0
3 years ago
Which of the following is not a prime number 263, 1057, 3163, or 157
Masja [62]
This is why the internet was invented so lets use an online math calculator.
Prime means that the only factors are 1 and itself.

Woah look at what I found!
263 is prime
1057 isn't? oh wow. 7 * 151
3163 is prime
157 is prime

So it is 1057 oh wow
3 0
4 years ago
An architect is designing a house on an empty plot. The area of the plot can be modeled by the polynomial 5x4+9x2−4x, and the ar
Vaselesa [24]

Answer:

The area of the yard is;

5x^4 -2x^3+9x^2+50

Step-by-step explanation:

Here, we want to calculate the area of the yard

Mathematically, this can be calculated as the difference between the area of the plot and the base area of the house

So, we simply proceed to calculate a subtraction here;

Thus, we have this as;

5x^4 + 9x^2-4x -(2x^3-4x-50)

= 5x^4 + 9x^2-2x^3+ 50

Rearranging this, we have;

5x^4 -2x^3+9x^2+50

6 0
3 years ago
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