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pav-90 [236]
3 years ago
7

T(8,15) is the midpoint of CD. The coordinates of D are (8,20). What are the coordinates of C?

Mathematics
2 answers:
Nadya [2.5K]3 years ago
7 0
The coordinates of C must be (8,10).

If you plug in the values given in the midpoint formula
8= \frac{8+(8)}{2}
 
and 15= \frac{20+(10)}{2}

it matches perfectly with the provided midpoint

sweet [91]3 years ago
7 0
The mid point is 5 away from d so it should be five away from c. 8,5
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Which of the following congruence statements does not prove that two triangles are congruent?
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ASA or Angle-Side-Angle: If two corresponding interior angles of two triangles and the included sides are congruent, the triangles are congruent.

SAS or Side-Angle-Side: If two corresponding sides of two triangles and the included angles are congruent, the triangles are congruent.

SSS or Side-Side-Side: If three corresponding sides of two triangles are congruent, the triangles are congruent.

SSA is not a congruence statement. 
  
6 0
3 years ago
In the graph above, the coordinates of the vertices of QPR are Q(3, 0), P(5, 6), and R(7, 0). If AQPR is reflected across
ozzi

Answer:

D. (7, 0)

Step-by-step explanation:

The rule for a reflection over the y-axis is (x, y) → (x, -y)

This means that the x-values stay the same while the y-values change.

Q(x, y) → (x, -y)

Q(3, 0) → (3, 0)

Q'(3, 0)

P(x, y) → (x, -y)

P(5, 6) → (5, -6)

P'(5, -6)

R(x, y) → (x, -y)

R(7, 0) → (7, 0)

R'(7, 0)

Therefore, the correct answer is D.

Hope this helps!

7 0
2 years ago
13. Perform the following division: –48 ÷ 5
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Answer:

C) -9.6

Step-by-step explanation:

3 0
3 years ago
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Which of the following illustrates the truth value of the given conditional statement? If dogs have five legs, then cats have th
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There is no relationship between dogs having five legs and cats having three tails. Even if you took the converse and said "If cats have three tails, then dogs have five legs", there is no truth in that statement.
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Pre cacl pleaseeeee help. the options are in the attachments as well
ivanzaharov [21]

Answer:

The values of x so that y = \csc x have vertical asymptotes are -2\pi, -\pi, 0, \pi, 2\pi.

Step-by-step explanation:

The function cosecant is the reciprocal of the function sine and vertical asymptotes are located at values of x so that function cosecant becomes undefined, that is, when function sine is zero, whose periodicity is \pi. Then, the  vertical asymptotes associated with function cosecant are located in the values of x of the form:

x = 0\pm \pi\cdot i, \forall \,i\in \mathbb{N}_{O}

In other words, the values of x so that y = \csc x have vertical asymptotes are -2\pi, -\pi, 0, \pi, 2\pi.

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