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Aleksandr-060686 [28]
3 years ago
14

Which of the following vectors are orthogonal to (-1,3)? Check all that apply. A. (1,3) B. (3,1) C. (-6,-2) D. (-2,-3)

Mathematics
1 answer:
Inga [223]3 years ago
5 0
C
( - 6. - 2)
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Given: \overline{AC} \perp \overline{BD} AC ⊥ BD and \overline{BD} BD bisects \overline{AC}. AC . Prove: \triangle ABD \cong \tr
Fofino [41]

Answer:

The Proof for

△ABD ≅ △CBD is below

Step-by-step explanation:

Given:

\overline{AC} \perp \overline{BD}

\overline{BD} \ bisects\  \overline{AC}

AD = CD      .........BD bisect AC

To Prove:

△ABD ≅ △CBD

Proof:

In  ΔABD  and ΔCBD  

BD ≅ BD              ....……….{Reflexive Property}

∠ADB ≅ ∠CDB    …………..{Measure of each angle is 90°( \overline{AC} \perp \overline{BD} )}

AD ≅ CD              ....……….{ \overline{BD} \ bisects\  \overline{AC} }

ΔABD  ≅ ΔCBD   .......….{By Side-Angle-Side Congruence test}  ...Proved

4 0
3 years ago
Can someone please help me with this
lana [24]

Answer:

3x-10+70°=180°(Supplementary angles)

3x+60°=180°

3x=180°-60°

3x=120°

3x/3 =120°/3

x=40°

Step-by-step explanation:

Hope that this is helpful.

Have a wonderful day.

6 0
3 years ago
Finding Missing Sides in Similar Figures
ivanzaharov [21]

Answer:

Step-by-step explanation:

\frac{x}{11}=\frac{52}{4}\\\\ x=\frac{52}{4}*11\\\\x=13*11\\\\x=143

In similar figure all the corresponding angles will be congruent and corresponding sides will be in ratio

4 0
3 years ago
Read 2 more answers
Use the Pythagorean theorem to find the missing length in the following right triangle.
lesantik [10]
Hello there!


The Pythagorean Theorem is:

a² + b² = c²

We have b = 48 and c = 50

Remember: The hypotenuse is always longer.

a² + 48² = 50²

a² + 2304 = 2500

a² = 2500 - 2304

a² = 196

a = √196

a = 14

The missing length is 14.

Let me know if you have any questions. As always, it is my pleasure to help students like you!
6 0
3 years ago
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May has 12 gallons of gas in her car. She wants to drive 3 miles to the post office, 4 miles to the grocery store, 11 miles to g
dimulka [17.4K]
16times12=192
 so none she wont need to stop
7 0
3 years ago
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