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
Advocard [28]
3 years ago
15

Solve the system using the substitution method: 3x + 5y = -10 X - 5y =-10

Mathematics
1 answer:
inn [45]3 years ago
4 0

<u>Answer:</u>

Point Form:

(−5,1)

Equation Form:

x=−5, y=1

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

Solve for the first variable in one of the equations, then substitute the result into the other equation.

1.  x=5y−10

2. 20y−30=−10

3. y=1

4. x=−5

You might be interested in
What is the value of x?
Pani-rosa [81]

Answer:

x=4

Step-by-step explanation:

Length of LJ is 8\sqrt{2}  * sin(30) which is 4\sqrt{2}

Now, in triangle LMJ the both angles are 45 degrees,

so x^{2} +x^{2} =(4\sqrt{2}) ^{2}

2x^{2}  = 2*4^{2}

x=4

7 0
3 years ago
What is the mass of a copper (II) chloride sample if it contains 0.0344 moles of the compound?
ale4655 [162]

According to the valence number of copper(2+) and the same value for chlorine (1-) copper (II) chloride has the formula of CuCl2

The molar mass of copper is 0,0635 kg/mole and chlorine gas a molar mass of 0,035 kg/mole the compound will have a molar mass of ( 0,0635+2×0,035 )kg/mole=0,099kg/mole and 0,344 moles are equivalent in mass to 0,344×0,135 kg=0,046 kg

5 0
2 years ago
Help please.........
Lunna [17]
I am not sure, but the answer is probably option A. Graph A.

5 0
4 years ago
A cylinder has a height of 4 meters and a diameter that is 3 times the measure of the height. Using 3.14 for pi, which of the fo
Dovator [93]
I'm pretty sure the answer is 452.16.
The formula is pi times the radius squared times the height.
3.14 times 6 squared time 4.
3.14 times 36 times 4.
113.04 times 4.
452.16.

4 0
3 years ago
A taxi service charges a flat fee of $1.25 and $0.75 per mile. If Henri has $14.00, which of the following shows the number of m
madam [21]

Answer:

Step-by-step explanation:

17 x 0.75 =12.75

12.75 + 1.25= 14

3 0
3 years ago
Other questions:
  • -3(2t - 1) = t + t + t + 3
    8·2 answers
  • Find the value of the exponent 3* = 6,561
    6·1 answer
  • Give the length in cenemeters <br> DUE TOMORROW
    6·2 answers
  • A whole number is squared. the result was 16. what was the original number
    12·2 answers
  • -25-1/2=<br><br> answer choices <br> a) -5<br> b) -1/5<br> c) no real number
    6·2 answers
  • What is the value of the following
    5·1 answer
  • If (-3, y) lies on the graph of y = 3^x, then y =<br><br> 1/27<br> -1<br> -27
    11·1 answer
  • Here is a Multiplying Polynomials question I have for homework. 20 Point Offer for Real Answer.
    8·1 answer
  • Given F(x)=x^2-9 and G(x)=2-x determined the equation for the combined function Y=(f-g)(x)
    15·1 answer
  • Pearl sent a box of 36 apples and oranges to her sister if 5/9 of shipments were apples how many apples did she send
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!