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dangina [55]
3 years ago
15

Y=4+3x 2x+1=yWhat Is The Point Of Intersection?

Mathematics
1 answer:
nlexa [21]3 years ago
7 0
Y = 4+3x
2x+1 = y

Rewrite as two systems of equations.

3x - y = -4
2x - y = -1

Now use the substitution method to find the point of intersection.

You can also graph both equations on the same xy-plane using your graphing calculator to find the desired point.



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Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
√₂
snow_lady [41]

Answer:

$2000 was invested at 5% and $5000 was invested at 8%.

Step-by-step explanation:

Assuming the interest is simple interest.

<u>Simple Interest Formula</u>

I = Prt

where:

  • I = interest earned.
  • P = principal invested.
  • r = interest rate (in decimal form).
  • t = time (in years).

Given:

  • Total P = $7000
  • P₁ = principal invested at 5%
  • P₂ = principal invested at 8%
  • Total interest = $500
  • r₁ = 5% = 0.05
  • r₂ = 8% = 0.08
  • t = 1 year

Create two equations from the given information:

\textsf{Equation 1}: \quad \sf P_1+P_2=7000

\textsf{Equation 2}: \quad \sf P_1r_1t+P_2r_2t=I\implies 0.05P_1+0.08P_2=500

Rewrite Equation 1 to make P₁ the subject:

\implies \sf P_1=7000-P_2

Substitute this into Equation 2 and solve for P₂:

\implies \sf 0.05(7000-P_2)+0.08P_2=500

\implies \sf 350-0.05P_2+0.08P_2=500

\implies \sf 0.03P_2=150

\implies \sf P_2=\dfrac{150}{0.03}

\implies \sf P_2=5000

Substitute the found value of P₂ into Equation 1 and solve for P₁:

\implies \sf P_1+5000=7000

\implies \sf P_1=7000-5000

\implies \sf P_1 = 2000

$2000 was invested at 5% and $5000 was invested at 8%.

Learn more about simple interest here:

brainly.com/question/27743947

brainly.com/question/28350785

5 0
1 year ago
1) -6k+ 7k
Sergio [31]

Answer:

1. k

2. 12r-20

3. 10n-13

4. -6x

5. -11r

6. 4x+11

Step-by-step explanation:

8 0
3 years ago
What is the range of the function f(x) = 3x − 12 for the domain {-2, 2}? {3, 12} {-6, -18} {6, 18} {12, 3}
babymother [125]
Answer to the question is (3, 12)
8 0
3 years ago
Gg what was the value for avadros number that you determined in this experiment
Anarel [89]
What is the question? I don't understand your question. 
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