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patriot [66]
3 years ago
7

There are 112 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filming up full rows of

seats. How many rows are empty
Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0
6 rows are empty.

112/7 = 16 rows

70/7 = 10 rows used.
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Can you help me pleeeeaaassee??
melamori03 [73]

Error 1: DT / TS × CT / TR which is the first error. We can fix the error by writing the correct equation RT / TD = ST / TC, Error 2: The second error is 7 / 16 × (x - 1) / 14 and we can fix the error by writing the equation 14 / 7 = 16 / (x - 1), Error 3:The third error is the value of x and we can find the correct value of x from the equation 14 / 7 = 16 / (x - 1) and the value of x is 9.

Given: The diagram is given and we need to find the errors and then fix them. Also ΔTSR ≈ ΔTCD

Let's solve the given question:

Given that ΔTSR ≈ ΔTCD

So we know by the properties of the similarity that if two triangles are similar then the ratio of their corresponding sides is equal.

So, ΔTSR ≈ ΔTCD

=> RT / TD = ST / TC

=> 14 / 7 = 16 / (x - 1)

In the question, we can observe that the given side ratio is DT / TS × CT / TR which is the first error. We can fix the error by writing the correct equation RT / TD = ST / TC.

The second error is 7 / 16 × (x - 1) / 14 and we can fix the error by writing the equation 14 / 7 = 16 / (x - 1).

The third error is the value of x.

We can find the correct value of x from the given equation:

14 / 7 = 16 / (x - 1)

=> 2 = 16 / (x - 1)

Multiplying both sides by (x - 1):

(x - 1) × 2 = 16 / (x - 1) × (x - 1)

=> 2(x - 1) = 16

Multiplying both sides by 1 / 2:

2(x - 1) × 1 / 2= 16 × 1 / 2

=> x - 1 = 8

Adding 1 on both sides:

x - 1 + 1 = 8 + 1

x = 9

Therefore x = 9.

Hence the errors are:

Error 1: DT / TS × CT / TR which is the first error. We can fix the error by writing the correct equation RT / TD = ST / TC

Error 2: The second error is 7 / 16 × (x - 1) / 14 and we can fix the error by writing the equation 14 / 7 = 16 / (x - 1).

Error 3:The third error is the value of x and we can find the correct value of x from the equation 14 / 7 = 16 / (x - 1) and the value of x is 9.

Know more about "similar triangles" here: brainly.com/question/14366937

#SPJ9

8 0
2 years ago
100 POINTS PLS HELP write the value of six dimes as a fracition,with 100 as a demominator
BartSMP [9]

1 dimes are worth 10 cents.

Multiply.

6 * 10 = 60

Put in a fraction with the denominator given.

60/100

Reduce the fraction.

60/100

30/50

15/25

3/5

Best of Luck!

7 0
3 years ago
Read 2 more answers
Name the minor arcs in the circle <br> Select all the minor arcs by their correct names.
Ann [662]

Answer: R A C P J

Step-by-step explanation:

3 0
3 years ago
Solve for x: - 6 &lt; x - 1 &lt; 9
dusya [7]

Answer:

-5<x<10

Step-by-step explanation: in these types of questions you have to leave x alone which means you have to do the following:

-6<x-1<9

when we throw -1 to the left side the solution would be like this -6+1=5

and when we throw it to the right side the solution would be 9+1=10

which means;

-5<x<10

8 0
4 years ago
What is this equation in slope intercept form? 4y+12x=0
omeli [17]
4y + 12x - 12x = 0 - 12x
4y = -12x
y = -3x
4 0
3 years ago
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