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mina [271]
3 years ago
15

Identify two angles that are marked congruent to each other on the diagram below.

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0

Answer:

  ∠ADB ≅ ∠CBD

Step-by-step explanation:

The three arcs at each of D and B identify congruent angles. However, the angles cannot be identified by their vertices alone. The 3-letter designations of the congruent angles are ...

  ∠ADB ≅ ∠CBD

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7n + 5 =68.... how to solve this problem and show my work​
mart [117]

Answer:

n=9

Step-by-step explanation:

7n+5=68  Subtract 5 on both sides.

    <u>-5  -5</u>

7n=63       Divide both sides by 7.

<u>/7   /7</u>

n=9

Hope this helps! Have a nice day ^^

7 0
3 years ago
Read 2 more answers
A student writes the equation for a line that has a slope of -6 and passes through the point (2, –8).
Ilia_Sergeevich [38]

Answer:

The error in the students work is

y -(-8) + 8 = -6x + 12 + 8

subtracting a negative is adding

y+8

They should subtract 8 from each side instead of adding 8 to each side

Step-by-step explanation:

We can use point slope form since we are given a point and the slope

y-y1 = m( x-x1)

y--8 = -6(x-2)

y+8 = -6(x-2)

Distribute the -6

y+8 = -6x+12

Subtract 8 from each side

y+8-8 = -6x+12-8

y = -6x+4

The error in the students work is

y -(-8) + 8 = -6x + 12 + 8

subtracting a negative is adding

y+8

They should subtract 8 from each side instead of adding 8 to each side

4 0
3 years ago
Read 2 more answers
Two​ high-speed ferries leave at the same time from a city to go to the same island. The first​ ferry, the​ Cat, travels at 34 m
djyliett [7]

Answer:

They will be 5 miles apart in 1 hour

Step-by-step explanation:

Here, we want to calculate the time it will take for the two ferries to be 5 miles apart

Mathematically; distance = speed * time

Let the number of hours be x

In x hours, the cat will have traveled 34 * x = 34x miles

In x hours, the Bird will have traveled 29 * x = 29x miles

So;

34x - 29x = 5

5x = 5

x = 5/5

x = 1 hour

4 0
3 years ago
Pls help 2 and 3!!!!!!!!!
VLD [36.1K]

Answer:

2)

d. -1 1/2

3)

c. 21 1/2

Step-by-step explanation:

5 0
3 years ago
3. The school library has 475 books.
galben [10]

Answer:

The school will have 535 books.

Step-by-step explanation:

12 books a month * 5 months = 60 additional books.

60 + 475 = 535 books.

7 0
3 years ago
Read 2 more answers
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