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kogti [31]
1 year ago
14

In ABC, AB=3 and AC=9 find m<B to the nearest degree

Mathematics
2 answers:
olga55 [171]1 year ago
7 0

Answer: 72° (nearest degree)

Semmy [17]1 year ago
4 0
By definition,
tanB = opposite/adjacent = 9/3 = 3

From the calculator,
B = arctan(3) = 71.6°

Answer: 72° (nearest degree)
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1. which angle is congruent to Angle 1?
Inessa [10]

<u>Part 1) which angle is congruent to Angle 1?</u>

we know that

When two lines are crossed by another line (which is called the Transversal), the angles in matching corners are called <u>corresponding angles</u>

m∠5=m∠1 ----------> by corresponding angles postulate

therefore

<u>the answer Part 1) is </u>

Angle 5

Part 2) Which can be used to directly prove that Angle 1 =~ Angle 8?

we know that

<u>Alternate exterior angles</u> are defined as two exterior angles on opposite sides of a transversal which lie on different parallel lines.

in this problem

m∠1=m∠8 -------> by alternate exterior angles theorem

therefore

<u>the answer part 2) is the option </u>

Alternate Exterior Angles Theorem

<u>Part 3) If m Angle 5 = 42 degrees, what is m Angle 4?</u>

we know that

<u> Alternate interior angles</u> are two interior angles which lie on different parallel lines and on opposite sides of a transversal

m∠4=m∠5 --------> by alternate interior angles theorem

so

m∠4=42\ degrees

therefore

<u>the answer Part 3) is</u>

42\ degrees

5 0
1 year ago
Read 2 more answers
Which is greater 2m or 275cm
Whitepunk [10]



There is 100 centimeters in 1 meter.

Change the meter to centimeter. Multiply: 2 x 100 = 200

200 cm < 275 cm ∴  is greater by 75 cm

5 0
1 year ago
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Find the 89th term of 25,35,45
MAXImum [283]

Answer:

The 89th term would be 895.

Step-by-step explanation:

There is a pattern of adding 10 each time. Notice that the 5 at the end doesn't change and that the first number continues (i.e. 2, 3, 4, 5, 6). All you have to do is add an 89 in front of the 5 and that is your answer, 895.

4 0
1 year ago
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Ann took a taxi home from the airport. The taxi fare was \$2.10$2.10dollar sign, 2, point, 10 per mile, and she gave the driver
Studentka2010 [4]

Answer:

2.10x+5=49.10

Distance = 21 miles.  

Step-by-step explanation:

Let x be the distance in miles between the airport and Ann's home.

We have been given that Ann took a taxi home from the airport. The taxi fare was $2.10 per mile. So fare for x miles will be 2.10x.

We are also told that she gave the driver a tip of $5. Ann paid a total of $49.10. This means that fare of x miles and tip given to driver equals $49.10. We can represent this information in an equation as:

2.10x+5=49.10

Now let us solve our equation.

2.10x=49.10-5

2.10x=44.10

x=\frac{44.10}{2.10}=21

Therefore, the equation 2.10x+5=49.10 represents the distance in miles between the airport and Ann's home and distance between Ann's home and airport in 21 miles.


3 0
2 years ago
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Write an expression using the distributive property to find the product of 7×63
alekssr [168]
(7x6) + (7x3) = c. this is the answer
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