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
8090 [49]
3 years ago
11

Who knows what is the answer?

Mathematics
1 answer:
stich3 [128]3 years ago
3 0
Set x=10 as equation 1 and 3x+5y=20 as equation 2

x=10----------(1)
3x+5y=20-----------(2)

substitute (1) into (2),
3(10)+5y=20
30+5y=20
30–20=–5y
10=–5y
5y=–10
y=–10÷5
y=–2

final ans:(10,–2)

You might be interested in
Write down the first five terms of the geometric sequence with the first term 1 and common ratio r=3
leva [86]
Consider, please, this option:

if a1=1 and r=3, then using a formula aₓ=a₁*rˣ:
1. a1=1;
2. a2=3;
3. a3=9;
4. a4=27;
5. a5=81
8 0
4 years ago
Point (4,-5) is mapped onto
Sergio [31]

Answer:

(-5, -4)

Step-by-step explanation:

I got it correct and that is right

4 0
3 years ago
Which equation represents the amount, A, each member receives?
gavmur [86]

Answer:

What equations? there's no picture to reference

7 0
3 years ago
Nora and Lila are reading the same novel for book club. Nora is on page 128 and plans to read 8 pages per day until the next clu
Sidana [21]

Answer:

Lila will have read to 186

Nora will be on page 184

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
The following equation f(x) = x³ + 0.5x² + 4.5 has only 1 real root. It lies between the interval [-1,0].
melisa1 [442]
We are asked in this problem to find the real root of the polynomial f(x) = x3 + 0.5x2 + 4.5. in this case, to find the root of the equation, we equate the equation to zero. 
<span>f(x) = x³ + 0.5x² + 4.5 = 0 
        2x3 + x^2 + 9 = 0
</span><span>x1=−1.83557
</span>x2=0.66779+1.41619∗i
x3=0.66779−1.41619∗i

answer is -1.84
6 0
4 years ago
Read 2 more answers
Other questions:
  • I WILL MARK BRAINLIST!!
    9·2 answers
  • Please help me with this question
    14·1 answer
  • What is an algebraic expression for p divided by 3 plus 2.
    5·1 answer
  • Which are names of points drawn in the figure?
    13·1 answer
  • A dripping faucet wastes 3 cups of water every 24 hours. How much water is wasted in a week?
    7·2 answers
  • There are two jars of sweets.
    6·1 answer
  • Need help with similar triangles
    10·1 answer
  • Y=x+2 2x-y=-4 Solve the systems of equations
    7·2 answers
  • From her home, Giera traveled
    9·1 answer
  • can someone please answer the 2 questions in the photo, please let me know if you can or cannot see them.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!