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
Vesna [10]
3 years ago
14

Use algebraic rules of equations to predict the solution to the system of equations. Include all of your work for full credit.

Mathematics
1 answer:
bezimeni [28]3 years ago
7 0
Use substitution
x+(2x-1)=-4
3x-1=-4
3x=-3
x=-1
You might be interested in
Which type of function is the result of multiplying a quadratic function and a linear function?
yawa3891 [41]

Answer:

A cubic function

Step-by-step explanation:

When you multiply powers of a same base, the exponents sum. So, if we multiply a function like ax^2+bx+c with a function like dx+e we get

(ax^2+bx+c)(dx+e) = adx^3+bdx^2+cdx+aex^2+bex+ce = adx^3+(bd+ae)x^2+(cd+be)x+ce

which is a cubic function, because it is written in the form

\alpha x^3+\beta x^3 + \gamma x + \delta

4 0
2 years ago
Fatima writes down three square numbers.
nekit [7.7K]

Answer:

10

Step-by-step explanation:

Fatima wrote down 3 square numbers

since we don't know the three square we will represent it by any variable (X)

3x=30

so you divide both sides by 3

so we have 3x/3=30/3=10

therefore the answer is 10

8 0
2 years ago
Answers here or on your
AleksandrR [38]

Answer/Step-by-step explanation:

Given:

When Jada took 8 steps, Noah took 10 steps

When Jada took 12 steps, Noah took 15 steps

a. The following table can be created as follows given that x = steps taken by Jada, and y = steps taken by Noah:

From the info given, the ratio of Noah's steps to Jada's steps is 15 : 12 = 10 : 8 = 5 : 4 = ⁵/4.

Use this ratio to create a table of 3 pairs of values as shown below.

Jada's Steps (x) ===> Noah's steps (y)

4 ===> 5

8 ==> 10

12 ==> 15

b. The graph of that shows this relationship has been attached below. Check the attachment.

c. Constant of proportionality can be calculated in each representation as follows: y/x = k. Where y is steps taken by Noah, x is for steps taken by Jada, and I is constant of proportionality.

Thus,

Constant of proportionality (k) = 15/12 = ⁵/4

This means, for every 5 steps taken by Noah, Jada takes 4 steps.

This relationship is represented by the equation, y = ⁵/4x.

The ⁵/4 in the equation is the constant of proportionality of their relationship.

d. The equation, description, graph, and table all represent the same situation because they all show the same constant of proportionality between x and y.

In the equation, ⁵/4 represents the constant of proportionality. In the graph, the slope is ⁵/4, which is also the same last constant of proportionality.

In the table, the constant of change in each pair is ⁵/4 all through.

6 0
3 years ago
Rationalise: <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B48%7D%20%7D%7B%5Csqrt%7B3%7D%20%7D" id="TexFormula1" title="\
Hoochie [10]

Answer:

4

Step-by-step explanation:

Root(48)/Root(3)

= root(48/3)

= root(16)

=4

7 0
3 years ago
Read 2 more answers
Twenty-four students took a test. Fourteen students earned an A and 8 students earned a B. A student will be randomly chosen. Wh
Fofino [41]
Answer is 7/12 I know it is because, well I just know it is 
8 0
3 years ago
Other questions:
  • M and N are equilateral triangles. The scale factor of M to N is 8 : 4.1 and the area of triangle M is 320 square inche. find th
    11·2 answers
  • can anyone help me??? A bakery sells muffins for $3.50 each. A beverage is $1.75. A class purchases 32 items and spends a total
    13·2 answers
  • Which of the following is an irrational number?4/3 , ^24, ^81, -4.07
    15·1 answer
  • Graph Algebra Question .
    9·1 answer
  • Friday
    8·1 answer
  • What is the recursive formula for this geometric sequence? -4,-24,-144,-864,...
    7·1 answer
  • Sketch a horizontal cross section
    13·1 answer
  • HELP DUE AT 11!!!! -2v + v = 3
    8·2 answers
  • What is the coefficient of the first time in 6x^7-5x^3+9x^2-1
    15·1 answer
  • Rachel has been told that with her half-off airfare coupon, her airfare will be $251. The $251 includes a 6% tax on the regular
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!