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
Fudgin [204]
3 years ago
12

Use the substitution method to solve the system of equations. Choose the correct ordered par

Mathematics
1 answer:
Margaret [11]3 years ago
7 0

Answer:

Since ther is an aswer of y,we easily can substitute to the first equation:

x+7=5

x= -2

You might be interested in
A) Work out 4 1/7 + 1 1/2​
Vesnalui [34]

Answer:

135/14

9 9/14

Step-by-step explanation:

29/7+11/2

4 0
3 years ago
Read 2 more answers
What is the contrapositive of the conditional statement? If two variables are directly proportional, then their graph is a linea
sveticcg [70]
To find the contrapositive, you negate the hypothesis and the conclusion of the statement, and then switch their positions in the statement such that the conclusion becomes the hypothesis and vice versa:

If two variables are directly proportional, then their graph is a linear function. 

If two variables are not directly protional, then their graph is not a linear function.
6 0
3 years ago
There were 3 times as many boys as girls in a museum. After 75 boys left and 25 girls entered, there were 2 times as many girls
Black_prince [1.1K]

Answer:

3x=y

3x-y=0

(y-75)+(X+25)=90

X+y=90+50

X+y=140

3x-y+X+y=0+140

4x=140

X=35(girls)

y=105(boys)

children were in the museum at first? *=35+105

<em>=140</em>

8 0
3 years ago
Please show your work; only #8!
lorasvet [3.4K]

Answer:

x = 0.16

Step-by-step explanation:

Step 3:

Solve the equation for  x  by finding  a ,  b , and  c  of the quadratic then applying the quadratic formula.

x = - \frac{11 - \sqrt{185} }{16}

Then, evaluate for x:

x = 0.16259190... which is about,

x = 0.16

8 0
3 years ago
How many letters are in the alphabet?​
Alla [95]

Answer:

26

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • 1/2(4•5)-2 to the power of 3
    15·1 answer
  • The sum of two numbers is 20. their difference is -40. what are the two numbers?
    7·1 answer
  • Yah i need twenty charecters but did not know what to write
    14·1 answer
  • , find a1 and d. 34, 40, 46, 52, 58, 64
    5·1 answer
  • Sarkis wants to draw a triangle with sides measuring 4 ft, 10 ft, and 16 ft. Which is true about Sarkis’s plan?
    8·1 answer
  • HEEEEEELLLPPPPPPPPP!!!!!!!!!!!!!!
    6·2 answers
  • What percent of the muffins sold were carrots
    7·2 answers
  • What is the value of x? ( BRAINLY FOR WHOEVER )
    8·2 answers
  • Hanna and Dien are both getting a raise. Who will earn more<br> per hour after the raise?
    8·2 answers
  • I need help ASAP, this is due tm, will mark Brainliest if answer is correct<br><br>pls help!!<br>​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!