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gizmo_the_mogwai [7]
3 years ago
9

Part A: Explain how you will solve this pair of equations using substitution. Show all the steps and write the solution. (5 poin

ts)
Part B: On a graph, what point will the lines representing the two equations intersect? Explain your answer. (5 points)

y = 16x + 4
y = 25x − 23
Mathematics
1 answer:
Allisa [31]3 years ago
4 0

Answer:

y = 16x + 4

y = 25x - 23              

____________

16x + 4 = 25x - 23

27 = 9x

3=x

__________

y = 25(3) - 23

y = 75 - 23

y = 52

_________

They will intersect at (3, 52)

Step-by-step explanation:

The second step which is bolded I simplified the equation. In the next step I'm going to substitute 3 into the second equation.

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3.0*(1/10)=0.3
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5/−1

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4 0
3 years ago
30 POINTS please help me!
Stels [109]
To prove a similarity of a triangle, we use angles or sides.

In this case we use angles to prove

∠ACB = ∠AED (Corresponding ∠s)
∠AED = ∠FDE (Alternate ∠s)

∠ABC = ∠ADE (Corresponding ∠s)
∠ADE = ∠FED (Alternate ∠s)

∠BAC = ∠EFD (sum of ∠s in a triangle)

Now we know the similarity in the triangles.

But it is necessary to write the similar triangle according to how the question ask.

The question asks " ∆ABC is similar to ∆____. " So we find ∠ABC in the prove.

∠ABC corressponds to ∠FED as stated above.
∴ ∆ABC is similar to ∆FED

Similarly, if the question asks " ∆ACB is similar to ∆____. "
We answer as ∆ACB is similar to ∆FDE.

Answer is ∆ABC is similar to ∆FED.
7 0
3 years ago
HELP ME! <br>Please, I will give brainliest and extra points :) Thank you
Arte-miy333 [17]

Answer:

solution set of f(x) = g(x) is x∈{0,1}


Step-by-step explanation:

For all exponential functions b^x,

b^0 is always 1, and b^1 is always b.


f(x) = -3/4 x + 2

g(x) = (1/4)^x + 1

g(0) = 2, f(0) = 2

g(1) = 5/4, f(1) = 5/4




7 0
4 years ago
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