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4 years ago

ASAP pleaseeeeee!!!!!!

Mathematics

2 answers:

weqwewe [10]4 years ago

8 0

C is the answer hope this helpsss

aksik [14]4 years ago

6 0

The answer to the question is C

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salantis [7]

All the interior angles are right angles

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3 years ago

What is (2,7) rotated 90% clockwise

ohaa [14]

Answer:

The required point is, (7, -2)

Step-by-step explanation:

The straight line passing through (0,0) and (2,7) is,

y = $(\frac {7 -0}{2-0}) \times x$

⇒ y = 3.5x --------------(1)

Now, the straight line perpendicular to this line and passing through (0, 0) is

y = $(\frac {-1}{3.5}) \times x$

⇒ 7y + 2x = 0 -------------(2)

Let, (h,k) be the required point.

then, it is on the line 7y + 2x = 0

⇒7k + 2h = 0

⇒k = $(\frac {-2}{7}) \times h$ ------------(3)

Again, distance from (0,0) of (h, k) is same as that of (2,7)

⇒ $h^{2} + k^{2} = 4 + 49 = 53$

⇒ $h^{2} \times (\frac {53}{49})$ = 53 [putting the value of k from (3)]

⇒ $h^{2}$ = 49

⇒h = 7 [since, (h,k) is in 4th quadrant, so,h >0]

So, k = -2 [putting the value of h in (3)]

So, the required point is, (7, -2)

5 0

3 years ago

Circle a has a radius of 3 and circle b has a radius of 11. if the idstance between the center of the circles in 17, find the le

Andrews [41]

Use Pythagorean Theorem:
a² + b² = c²
"a" is one side of the right triangle.
Its length is: radius of larger circle minus radius of smaller circle: (11 - 3 = 8)
The distance between the center of the circles creates the hypotenuse (17)
8² + b² = 17²
b² = 225
b = 15

Answer: the length of the common external tangent is 15.

3 0

3 years ago

4b^2-64/-4b+16 please help me i am stupid as all get out

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It could be 5(8*7)4* it could be ok

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4 years ago

Which is true regarding the graphed function f(x)? The graph is attached and the choices?

aliya0001 [1]

The right answer to the graph of the line with a negative slope is: