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
e-lub [12.9K]
3 years ago
11

Solve by using Substitution, please help! Show work if you can!

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

0=  x^{2}+3x

Step-by-step explanation:

Since y= x+1,

x+1=x^{2}+4x+1

--> Bring x to the other side by changing sign.

1= x^{2}+4x-x+1

1= x^{2}+3x+1

--> Bring 1 to the other side by changing sign.

0= x^{2}+3x+1-1

0=  x^{2}+3x+0

(Note: When there's is no number in the LHS side, it becomes 0)

--> Bring 0 on the RHS, to LHS

0-0= x^{2}+3x

--> 0=  x^{2}+3x

Please mark me as brainliest!

ioda3 years ago
5 0
Hey sorry if I cant show work but here is the point form:
( 0 , 1 ) and ( -3 , -2 )
You might be interested in
One clay brick weighs 5.76 pounds. The brick is 8 inches long and 2 1/4 inches wide. If the clay weighs 0.08 pounds per cubic in
IgorLugansk [536]
Yess yess yess 5.76 si right


4 0
3 years ago
Brenda wants to hire a lawn service to mow her yard for the summer. G &B lawn service charges a total of 440 for the first 1
vampirchik [111]
Brenda can get 24 cuttings total for $1000
5 0
3 years ago
Find the L.C.M. of: a2 + 2a +1, a? + 3a + 2​
MArishka [77]

Step-by-step explanation:

sorrry .......................

7 0
2 years ago
I really need help with this i beg you !!
sweet-ann [11.9K]

Answer:

The perimeter and area of the square are 56 units and 196 square units, respectively.

Step-by-step explanation:

The inner right triangle represents a 45-45-90 right triangle, which has the feature of a hypotenuse whose length is \sqrt{2} time the length of any of its legs. If the hypotenuse has a measure of 7\sqrt{2}, then the legs of the triangle have a measure of 7.

Now, we are aware that the side length of the square is twice the length of the leg of the right triangle. Then, side length of the square is 14 units long.

Lastly, we know from Geometry that the perimeter and area of the square are represented by the following expressions:

Perimeter

p = 4\cdot l (1)

Area

A = l^{2} (2)

Where l is the side length of the square.

If we know that l = 14, then the perimeter and area of the square are, respectively:

p = 4\cdot (14)

p = 56

A = 14^{2}

A = 196

The perimeter and area of the square are 56 units and 196 square units, respectively.

7 0
2 years ago
Please help me for this question
rosijanka [135]

The volume of the given trapezoidal prism is 312 cubic units.

Step-by-step explanation:

Step 1:

To find the volume of a trapezoidal prism, we multiply the area of the trapezoidal surface with the height of the prism.

The area of a trapezoidal surface, A = \frac{a+b}{2} (h).

a and b are the lengths of the upper and lower bases and h is the height of the trapezoid.

For the given trapezoid, a is 5 units long and b is 8 units long while height, h is 4 units.

The area of the trapezoidal surface, A =  \frac{5+8}{2} (4) = 6.5(4) = 26.

So the area of the trapezoidal surface is 26 square units.

Step 2:

To determine the volume of the prism, we multiply the area of the trapezoidal surface with the height of the prism.

The area is 26 square units and the height of the prism is 12 units.

The volume of the prism, V= 26(12) = 312.

The volume of the given trapezoidal prism is 312 cubic units.

7 0
3 years ago
Other questions:
  • Arnav bought vegetables weighing 11kg. Out of this, 3kg 500g is cabbage, 2kg 75g is tomatoes and the rest is onions. What is the
    12·2 answers
  • Which coefficient matrix represents a system of linear equations that has a unique solution?
    15·2 answers
  • Solve for x write the smaller solution first and the larger solution second. Round to two decimal places (x+8)^2-7=0
    9·1 answer
  • N a problem it says that x is "at most –5." What does this mean?
    6·1 answer
  • If you can score 54 points in 6 minutes, how many points are you scoring in one minute? please help all my points.
    15·2 answers
  • After the booster club sold 40 hotdogs at a football game, it had $90 in profit.
    6·1 answer
  • Rita goes for a bike ride on a trail by her house. After 15 minutes of riding she sees a mile marker. When she sees the third mi
    6·1 answer
  • 4x + 6 = -x +1<br>what's x?​
    14·1 answer
  • The points (9, c) and (4, 2) on a line with a slope of 1. What is the value of c
    14·1 answer
  • What is the square root of 4
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!