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dusya [7]
3 years ago
9

RT and GJ are chords that intersect at point H.

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
4 0

Answer:

20

Step-by-step explanation:

Alina [70]3 years ago
4 0

Answer:

20

Step-by-step explanation:

i did it on e2020

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What transformation transforms (a, b) to (a, −b) ​?
mash [69]

Answer:

Reflection over the x-axis

Step-by-step explanation:

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

4 0
3 years ago
Read 2 more answers
Jeff is four years less than twice his nephew's
ira [324]

Answer:

His nephew would be 11.

Step-by-step explanation:

First, you should model the word problem into an equation. This gives you the equation 18=2x-4. Then, you add 4 to both sides of the equation, getting 22=2x. Then, you divide both sides by two, which equals 11, which shows that his nephew is 11 years old. Hope this helped!

8 0
4 years ago
Read 2 more answers
A baseball is hit with an initial upward philosophy of 70 ft./s from a height of 4 feet above the ground. The equation h= -16x^2
saul85 [17]

Answer:

x=4.34 seconds

Step-by-step explanation:

-16x^2+70x-2=0

x=\frac{35+\sqrt{1193}}{16}

x=4.34

6 0
2 years ago
Rewrite this expression in addition<br> -8-(-12)-7
Andrej [43]

Answer:

-8+(+12)+)

Step-by-step explanation:

dont know

4 0
3 years ago
A line m is perpendicular to an angle bisector of ∠A. The sides of ∠A intersect this line m at points M and N. Prove that △AMN i
Ray Of Light [21]

Answer:


Step-by-step explanation:

<em><u>Given</u></em><u>:</u>       A line m is perpendicular to the angle bisector of ∠A. We call this  

                 intersecting point as D. Hence, in figure ∠ADM=∠ADN =90°.

                 AD is angle bisector of ∠A. Hence, ∠MAD=∠NAD.

<u><em>To Prove</em></u>:   <em><u>ΔAMN is an isosceles triangle. i.e any two sides in ΔAMN are</u></em>

<em>                    </em><em><u>equal. </u></em>

<em><u>Solution</u></em>:  Now, In ΔADM and ΔADN

                 ∠MAD=∠NAD     ...(1) (∵Given)

                  AD=AD                ...(2) (∵common side)

                  ∠ADM=∠ADN     ...(3) (∵Given)

                  <u><em> Hence, from equation (1),(2),(3) ΔADM ≅ ΔADN</em></u>

                                                         ( ∵ ASA  congruence rule)

                  ⇒<u><em> AM=AN</em></u>

                  Now, In Δ AMN

                 AM=AN (∵ Proved)

                  Hence, ΔAMN is an isosceles  triangle.


7 0
3 years ago
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