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Sladkaya [172]
3 years ago
12

R,S, and T are collinear, and S is betrween R and T. If RS=x+1, ST=2x-2, and RT=5x-5, find RT.

Mathematics
2 answers:
olga2289 [7]3 years ago
5 0
If you put and label the three points in a line, you will see that RS + ST = RT.

Then you only need to substitue with the expressions given for RS and ST to find RT.

RT = x +1 + 2x - 2 = 3x - 1

Also, RT = 5x - 5

Then, 3x - 1 = 5x - 5

5x - 3x = 5 - 1

2x = 4

x = 4/2 = 2

NOw substitute x in any of the expressions for RT:

RT = 5x - 5 = 5(2) - 5 = 10 - 5 = 5

Answer: RT = 5
Snezhnost [94]3 years ago
4 0

Answer:

correct answer is RT=5x-5

Step-by-step explanation:

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Ymorist [56]

Answer:

x = −1.24

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−132.3x=165.1

Step 2: Divide both sides by -132.3.

\frac{-132.3x}{-132.3} = \frac{165.1}{-132.3} \\

x= -1.247921

6 0
3 years ago
i am aware that this question uses second ftc, however, i keep getting the wrong answer. any guidance is appreciated.
Gnesinka [82]

Answer:

C. 14

Step-by-step explanation:

F(x) = ∫₀²ˣ √(t³−15) dt

Use second fundamental theorem of calculus:

F'(x) = √((2x)³−15) d/dx (2x)

F'(x) = 2 √(8x³−15)

Evaluate at x=2:

F'(2) = 2 √(8×2³−15)

F'(2) = 2 √(64−15)

F'(2) = 2 √49

F'(2) = 14

7 0
3 years ago
Graph the function f(x)= -.05x+3
GREYUIT [131]

Answer:

Step-by-step explanation:

Slope:  

−

0.05

y-intercept:  

3

x

y

0

3

1

2.95

7 0
3 years ago
How do you do this math problem
liberstina [14]

Distance formula (See attachment below)

100 + 144

square root 244

15.620

Round to the nearest tenth

15.6

8 0
3 years ago
There are red and blue balls in a bag. The number of blue balls is 27 and the red balls are 4/ 7 of all balls. What is the total
aliina [53]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ We know this:

3/7 = 27

You need to find the value of 1/7

To do this, divide by 3

27/3 = 9

1/7 = 9

Multiply this by 7 to get the total number of balls:

9 x 7 = 63

There are 63 balls.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
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