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krok68 [10]
3 years ago
15

Question two plz :)

Mathematics
2 answers:
notka56 [123]3 years ago
7 0
Bd is perpendicular to ac because it comes from a and cuts the ac into two equal halves and since the triangle is isoceles if any lines comes through a and intersects the base into 2 equal halves that must be perpendicular
alisha [4.7K]3 years ago
6 0

Answer:

BD is perpendicular to AC.

Step-by-step explanation:

Because we know that angles ∠BAD and ∠BCD are the same, we can conclude that triangles ΔABD and ΔBCD are congruent. This means that angles ∠BDA and ∠BDC are right angles, and lines BD and AC are congruent.

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Anna buys 12 pens and 20 pencils for a total of $16. One pen costs $0.40 more than one pencil. What would 1 pen and 1 pencil cos
nevsk [136]

Answer:

Cost of pencil is $0.35 and cost of pen is 0.75

Step-by-step explanation:

The cost of one pencil and one pen is required.

The cost of a pencil is $0.35 and a pen is $0.75.

The number of pens is 12.

The number of pencils is 20.

Let the cost of one pencil be  

A pen costs $0.40 dollar more than pen.

So, cost of a pen is  

Total cost of all the pens and pencils is $16.

Cost of pencil is $0.35 and cost of pen is 0.75

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2 years ago
Select the three equations that have
MakcuM [25]

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Step-by-step explanation:

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2 years ago
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if Amanda hikes at an average speed of 2.72 miles per hour, how long will it take her to hike 6.8 miles
kompoz [17]
Speed times time=distance
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time=?

2.72 times ?=6.8
divide both sides by 2.72
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3 0
3 years ago
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Please help with this question
Iteru [2.4K]

Answer:

Inequality Form:

x ≥ − 30

Interval Notation:

[ − 30 , ∞ )

4 0
3 years ago
Can you please help me
Mandarinka [93]

Answer:  Attached.

Step-by-step explanation:

Either solve the equations directly, or graph them and look for the point of intersection.  

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