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77julia77 [94]
3 years ago
9

Point S is on line segment RT. Given RT 15 and ST = 3, determine the length RS.

Mathematics
1 answer:
hammer [34]3 years ago
3 0

Answer:

RS=12

Step-by-step explanation:

The whole line is 15 units

part of the line is 3 units

the part of the line without measure would be

15 - 3 units so 12 units

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a machine can reduce 21 inches of ribbon every 3 minutes. How many feet of ribbon can the machine make in one hour?
Zarrin [17]
Okay. Let's make a proportion for this. So we can do 21/3=x/60. Let's multiply cross way. So 21 x 60 is 1260. We multiply 3 by x to get 3x. So our equation will be 3x=1260. We can isolate the equation by 3, and 1260 divided by 3 is 420. So x=420. We then have to convert into feet. So 420 divided by 12 is 35. So it would be 35 feet. Therefore, the machine can make 35feet of ribbon in a hour.
3 0
3 years ago
Seth’s father is thinking of buying his son a six-month pass for $40. With the pass, matinees cost 1.00. If matinees are normall
mr Goodwill [35]

Answer:

The number of times Seth attend in order for the benefit his father to buy the pass is 2.8 times .

Step-by-step explanation:

Given as :

The price for six month pass = $ 40

The cost of matinees with the pass = $ 1.00

The cost of matinees without pass = $ 3.50

Now, According to question

If we take matinees per day for six months so, number of matinees = 6 × 30 = 180

So, The cost of matinees for six month with pass at the rate $ 1.00 each = 180 × $ 1 + $ 40

I.e The cost of matinees for six month with pass $ 220

Now, Again

The cost of matinees for six month without pass at the rate $ 3.50 each = 180 × $ 3.50

I.e The cost of matinees for six month without pass at the rate $ 3.50 each = $ 630

So, The number of times Seth attend in order for the benefit = \frac{630}{220} = 2.8

Hence  The number of times Seth attend in order for the benefit his father to buy the pass is 2.8 times . Answer

7 0
3 years ago
A high school graduating class is made up of 529 students. There are 155 more girls than boys, How many boys are in the class?
Firdavs [7]
374 boys are in the class
529-155= 374
7 0
4 years ago
The price of oil decreased from $52 per barrel to $48 per barrel. What is the percentage decrease in the price of oil? Round you
zaharov [31]

Answer:

7.7%

Step-by-step explanation:

Given that,

The price of oil decreased from $52 per barrel to $48 per barrel.

We need to find the percentage decrease in the price of oil. It can be calculated as follows :

\%=\dfrac{52-48}{52}\times 100\\\\=7.69\%

or

= 7.7%

So, the percentage decrease in the price of oil is 7.7%.

7 0
3 years ago
Please help thank you.
Rainbow [258]
A. Given
b. Substituition Property (replaces x with the definition of x=8)
c. Subtraction Property of Equality (-1-88=-89)
d. Division Property of Equality (isolating y)
e. Symmetric Property of Equality (a=b -> b=a)

so the second option
8 0
3 years ago
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