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Naily [24]
3 years ago
13

D. Write a system of two linear equations that has more than one solution.

Mathematics
1 answer:
ddd [48]3 years ago
3 0
D. y=5x+6 and 2y-12-10x=0 has infinitely many solutions and both lines are linear

E. y=4x+1, y=9x+4 has the solutions x = -3/5, y = -7/5


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The width of a rectangle is 4 inches, and the length is 9 inches, what is the length of a side to a square that has the same are
emmainna [20.7K]

Answer:

36

Step-by-step explanation:

9x4=36

8 0
2 years ago
Prove the identity.<br> tan(x − y) + tan(z − x) + tan(y − z) = tan(x − y) tan(z − x) tan(y − z)
Viktor [21]

Step-by-step explanation:

This is known as the triple tangent identity.  Start with the fact that the three angles add up to 0.

(x − y) + (z − x) + (y − z) = 0

Subtract two terms to the other side and take the tangent:

x − y = -((z − x) + (y − z))

tan(x − y) = tan(-((z − x) + (y − z)))

Use reflection property:

tan(x − y) = -tan((z − x) + (y − z))

Now use angle sum identity:

tan(x − y) = -[tan(z − x) + tan(y − z)] / [1 − tan(z − x) tan(y − z)]

tan(x − y) = [tan(z − x) + tan(y − z)] / [tan(z − x) tan(y − z) − 1]

tan(x − y) [tan(z − x) tan(y − z) − 1] = tan(z − x) + tan(y − z)

tan(x − y) tan(z − x) tan(y − z) − tan(x − y) = tan(z − x) + tan(y − z)

tan(x − y) tan(z − x) tan(y − z) = tan(x − y) + tan(z − x) + tan(y − z)

4 0
3 years ago
Salem High School’s winter sports teams WON 72% of their games last season. If the teams played 50 games, how many games did the
gogolik [260]
They would have lost 16 games
6 0
3 years ago
Y = 3(x+ 4)^2+ 4 plz find the vertex and whether the graph has a minimum or maximum point
Paladinen [302]

Answer:

look at the screenshot hun!!

Step-by-step explanation:

6 0
3 years ago
2. Given AMAR, solve for the m&amp;M. Round to the
Naddik [55]

Answer:

what is the question

Step-by-step explanation:

8 0
3 years ago
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