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4 years ago

How to find x and y in Triangle congruence

Mathematics

1 answer:

Snezhnost [94]4 years ago

6 0

Answer:

watch the video

Step-by-step explanation:

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It takes Mike 1 hour to get to work each day. He first rides the train, which travels at an average rate of 65 miles per hour. T

Pepsi [2]

Answer:

Time_subway = 6 minutes

Step-by-step explanation:

Total time to get to work = 1 hour

Total_distance = 61 miles

Speed_train = 65 miles/h

Speed_subway = 25 miles/h

The fomula for speed is defined as

Speed = distance/ time, which means that

Time = distance/speed

Total_time = time_train + time_subway

Total_time = (distance_train/Speed_train) +

(distance_subway/Speed_subway )

1h = (distance_train/65) + (distance_subway/25 )

We also know that

Total_distance = 61 miles = distance_train + distance_subway

We solve the system of two equations

1 = (distance_train/65) + (distance_subway/25 )

61 = distance_train + distance_subway

We obtain that

distance_train = 58.5 miles

distance_subway = 2.5 miles

So the time spent on the subway is

t_sub = (2.5 mi/25 mi/h) = 0.1 h

0.1 h is equal to 6 minutes

3 0

3 years ago

Read 2 more answers

Solve each equation for 0 x 360 sqrt 2 cosx+1=0 please hurry

jolli1 [7]

Answer:

$120\º \text{ and } 240\º$

or in radians:

$\frac{2\pi }{3} \text{ and } \frac{4\pi }{3}$

Step-by-step explanation:

From the way you wrote, you want to solve the equation

$\sqrt {2 \cos(x)+1}=0$ for $0 \leq x < 360\º$ , or in radians $[0, 2\pi)$

$\sqrt {2 \cos(x)+1}=0$

Square both sides

$2 \cos(x) +1= 0$

$2\cos(x)=-1$

$\cos(x)=-\frac{1}{2}$

In the Unit Circle, considering one revolution (interval $[0, 2\pi)$ ),

the values where $\cos(x)=-\frac{1}{2}$ are in Quadrant II and III.

Once

$\cos(x)= \frac{1}{2} \text{ for } x = 60\º \text{ in the Quadrant I}$

The values where

$\cos(x)=-\frac{1}{2}$ are 120º and 240º.

7 0

3 years ago

Which account option is more convenient for frequent check or debit card withdrawals and purchases but gains no interest?

olya-2409 [2.1K]

The best account if one plans to make frequent withdrawals via check or debit card is A. Checking account

Checking accounts:

Are the least interest bearing accounts
Allow for frequent withdrawals using a check or debt card
Charge lower fees

Checking accounts are best when a person wants easy access to their money because they can get to it via checks or debit cards. The drawback however, is that interest on these accounts are low.

In conclusion, option A is correct.

Find out more about checking accounts at brainly.com/question/21714367.

7 0

3 years ago

Express 0.055 in scientific notation.

aalyn [17]

5x10^-2 I believe is your answer

3 0

3 years ago

Read 2 more answers

Percentage Change

daser333 [38]

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8 0

3 years ago