1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dezoksy [38]
3 years ago
10

Please help finals are tomorrow

Mathematics
1 answer:
Bogdan [553]3 years ago
6 0
ΔQTR and ΔSTP are similar triangles. The corresponding sides of similar triangles are the same length.
TR = PT
TS = QT

Input the algebraic expression to make an equation system
PT = TR
y = 2x - 1 <em>(first equation)</em>

TS = QT
6x + 13 = 5y
6x - 5y = -13  <span><em>(second equation)</em>

</span>Using subtitution method, subtitute y with 2x - 1 from first equation into the second equation, to find the value of x
6x - 5y = -13
6x - 5(2x - 1) = 13
6x - 10x + 5 = 13
-4x + 5 = 13
-4x = 13 - 5
-4x = 8
  x = 8/-4
  x = -2

Find y with subtituting x with -2 in the first equation
y = 2x - 1
y = 2(-2) - 1
y = -4 - 1
y = -5

Answer:
x = -2
y = -5
You might be interested in
ANSWER FAST PLEASE
NemiM [27]

Answer:

B.18

Step-by-step explanation:

2+1+3

3+3=6

6+5=11

11+7=18

6 0
3 years ago
Read 2 more answers
Help this will save my grade. I’m right on the edge of failing!
8090 [49]

Answer:

Step-by-step explanation:

1.  The slope is -5/2

2. There is no slope for the second one it's just y=3

3. The slope is 3

4. These are perpendicular lines

5. These lines are parallel.

6. These lines are neither perpendicular nor parallel.

7. These lines are perpendicular

8.  y = 4/3x - 2

9.  y = -1/2x + 5

10. x = -1  

Hope this helps!

5 0
2 years ago
John has a round swimming pool.The distance from the center of the pool to the edge is 3 meters.What is the diameter of John poo
shtirl [24]

Answer:

6 meters

Step-by-step explanation:

Th equation to find the diameter of a circle is,

radius * 2.

The radius of the swimming pool is 3, so 3 * 2 is 6.

Hope this helps!!

Let me know if I'm wrong...

8 0
3 years ago
Evaluate x(y-z)2 for =-1,y=5,and z=
Nata [24]

Answer:

The value of x(y-z)^2 is -16.

Step-by-step explanation:

We need to evaluate x(y-z)^2 for x = -1, y = 5 and let us assume that z = 1

It can be simply done by putting the values of x,y and z in the given expression.

x(y-z)^2=(-1)(5-1)^2\\\\=-1(4)^2

We know that the value of 4² = 16

So,

x(y-z)^2=16\times -1\\\\=-16

So, the value of x(y-z)^2 is -16.

6 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
ehidna [41]

Answer:  1) 0.10

               2) 0.60

               3) 0.20

               4) 0.10

<u>Step-by-step explanation:</u>

The total frequency is 20+120+40+20 = 200.  This means they ran the experiment 200 times.  The probability distribution is calculated by the satisfactory number of outcomes (frequency) divided by the total number of experiments/outcomes (total frequency):

\begin{array}{c|c||lc}\underline{x}&\underline{f}&\underline{f\div 200}&\underline{\text{Probability Distribution}}\\1&20&20\div200=&0.10\\2&120&120\div 200=&0.60\\3&40&40\div 200=&0.20\\4&20&20\div 200=&0.10\end{array}\right]

6 0
3 years ago
Other questions:
  • javier has 4 juice boxes three are grape flavored write two equivalent fractions thatdescribe the part of the juice boxes that i
    5·1 answer
  • Which situation is represented by the equation? 6n + 12 = 2n + 36
    14·1 answer
  • Two prisms are similar if the ratios of corresponding parts are equal.
    15·2 answers
  • Seven times a number minus the number is -48. Find the number.
    6·2 answers
  • What is the value of the first 4 in this...4,384,488?​
    13·1 answer
  • If a square is 12 cm in length and 2 cm wide, what is the area of the square?
    8·2 answers
  • The average persons hair grows 1/2 inch per month. How long will the hair grow in one year??
    6·2 answers
  • Please help, I need the answer
    15·2 answers
  • X + y = 21<br> 3x – 2y = -12
    10·2 answers
  • Find the area of the following figure below
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!