3 years ago

Classify the system of equations. -x=1-y -1+y=x+2. coincident, intersecting, parallel

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

3 0

X^y#q1 is the answer that

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3 years ago

The longest North/South highway is A, while the second longest north/south interstate is B. B is about 132 miles shorter than A.

Dvinal [7]

Answer:

m + 132

Step-by-step explanation:

A is 132 miles longer than B, whose length is m.

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2 years ago

Pls help, whoever answers first I’ll mark as brainliest <3

mezya [45]

Answer: r=14

Step-by-step explanation:

because they are vertical angles

7r+6=8r-8

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3 years ago

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This relation is a function:<br> {(5,-2), (6,-2),(7,-2), (8,-2)}<br> A.True<br> B.False

AlladinOne [14]

Answer:

true

Step-by-step explanation:

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3 years ago

In △ABC , line AB is extended up to point E and line BC is extended up to D . The measure of some of the angles is given as; ∠BA

Over [174]

Answer:

$\angle ACD = 130 ^\circ$ .

Step-by-step explanation:

$\angle ABC$ and $\angle EBC$ are supplementary angles. Their sum should be $180^\circ$ . $\angle EBC = 120^\circ$ $\implies \angle ABC = 180^\circ - \angle EBC = 180^\circ - 120^\circ = 60^\circ$ .

The sum of the three angles in triangle $\triangle ABC$ : $(\angle ABC + \angle BAC + \angle ACB)$ should be equal to $180^\circ$ .

$\angle ABC = 60^\circ$ and $\angle BAC = 70^\circ$ $\implies \angle ACB = 180^\circ - \angle ABC - \angle ACB = 180^\circ - 70^\circ - 60^\circ = 50^\circ$ .

$\angle ACB$ and $\angle ACD$ form another pair of supplementary angles. Their sum should also be $180^\circ$ . $\angle ACB = 50^\circ$ $\implies \angle ACD = 180^\circ - \angle ACB = 180^\circ - 50^\circ = 130^\circ$ .

8 0

4 years ago