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
allochka39001 [22]
3 years ago
11

Please help me !

Mathematics
2 answers:
Alik [6]3 years ago
8 0
Solve for x in the second equation first

kumpel [21]3 years ago
8 0

Answer:

Solve for x in the second equation.

Step-by-step explanation:

To solve a system of equations by substition you have to solve one of the equations for X or Y and then substitute that value on the X of the other equation, if you want to avoid fractions, you can use the x of the secon equation, like this:

6x+18y=24\\6x=24-18y\\x=\frac{24-18y}{6} \\x=4-3y

So by solving X for the second equation you avoided fractions when substituting the value for X on the first equation.

You might be interested in
Replace ∗ with a monomial so that the derived equality will be an identity: (15y + ∗)2 = 225y2+12x3y+0.16x6
kobusy [5.1K]

Answer:

<u>∗ = 0.4x³</u>

Step-by-step explanation:

(15y + ∗)² = 225y²+12x³y+0.16x⁶

<u>Note:</u>

225y² = 15y * 15y = (15y)²

12x³y = 2 * 15y * 0.4x³

0.16x⁶ = 0.4x³ * 0.4x³ = (0.4x³)²

So, by factoring the right hand side:

225y²+12x³y+0.16x⁶ = (15y + 0.4x³)²

By comparing the left hand side with (15y + 0.4x³)²

<u>So, ∗ should be replaced with the monomial 0.4x³</u>

6 0
3 years ago
The ratio of powder to water is 1:8 if there are 32 cups of powder how many cups of water are needed
In-s [12.5K]
There are 256 cups of water needed. I hope this helped.
6 0
3 years ago
What is the equation of the absolute function shown in the graph?
oee [108]

Answer is <u>6|x+2|+2</u>

Please check the attached image of answer to clear the doubt.

<em>By </em><em>Benjemin</em><em> </em>☺️

6 0
3 years ago
Pls, look at picture for the question.
brilliants [131]
-6.8 is the answer.
8 0
2 years ago
Read 2 more answers
Solve for w in the proportion.
Svet_ta [14]

Answer:

w=40

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • I need help with all of this​
    12·1 answer
  • Express the fraction in simplest form. 2/8
    13·2 answers
  • 7 cakes cost £5.60 , what would be the cost of:<br> 10 cakes<br> 5 cakes<br> 12 cakes
    13·2 answers
  • 6 pencils cost $0.99 how much would 16 pencils cost
    8·1 answer
  • Choose the algebraic expression that best matches this verbal description: "the sum of 3 and 7 times a number x
    6·1 answer
  • The sum of two numbers is x. If one of the numbers is 12, what is the other? 12 - x x - 12 12 + x 12 x
    8·2 answers
  • El solar de María tiene forma rectangular los lados miden 36 cm y 40 cm cuántos metros cuadrados tiene el terreno? cuál es el pe
    13·1 answer
  • The polygons in each pair are similar. Find the missing side length.
    7·1 answer
  • A group of kids just finished trick-or-treating. The number of pieces of candy collected by each of the 5 kids is listed below.
    6·1 answer
  • Peter has a tire with a diameter of 26 inches. How many inches is the radius of his tire?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!