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Elis [28]
2 years ago
9

HELP I AM TIMED!!!!!!!!!!!!

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
5 0
Answer:

It is the last one 6a-4b+11

Explanation:

Hope this helps if u need clarification plz ask:)
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On a coordinate plane, 2 lines are shown. Line P Q has points (negative 8, 2) and (4, 2). Line M N has points (8, 6) and (8, neg
DaniilM [7]

Answer:

Slope of PQ = 0

Slope of MN = infinity

PQ and MN are perpendicular to each other

Step-by-step explanation:

for any two points  (x1, y1),  (x2, y2)given in coordinate plane slope is given by

y1 - y2/x1-x2\\\\For \ line \ PQ\\slope = 2 - 2/-8-4 = 0\\\\For \ line \ MN \\slope = 6 - (-8)/8-8 = 1/0 = infinity\\\\

For any line if slope is zero it is parallel  to X axis and perpendicular to Y axis

For any line if slope is infinity it is parallel  to Y axis and perpendicular to X axis

Also we know X and Y are perpendicular to each other.

Since slope of PQ is zero it is parallel  to X axis and perpendicular to Y axis

Since slope of MN is infinity it is parallel  to Y axis and perpendicular to X axis.

Thus two lines PQ and MN are perpendicular to each other.

4 0
2 years ago
Read 2 more answers
What is equal to21/28
Marina CMI [18]

Answer:

In a simplified version it can be expressed as 3/4.

Hope that helped. x

Step-by-step explanation:

21 divided by 7 is 3

28 divided by 7 is 4.

3 0
2 years ago
Read 2 more answers
Can someone help me on number 7
MatroZZZ [7]
Equilateral, isosceles,  and acute

5 0
3 years ago
Read 2 more answers
Use the figure to find the measures of the numbered angles. ∠5 = ∠6 =
Gwar [14]

Answer:

∠ 5 = 49°, ∠ 6 = 131°

Step-by-step explanation:

∠ 5 and 49° are corresponding angles and are congruent, then

∠ 5 = 49°

∠ 5 and ∠ 6 are adjacent angles and are supplementary, sum to 180° , that is

∠ 6 + ∠ 5 = 180°

∠ 6 + 49° = 180° ( subtract 49° from both sides )

∠ 6 = 131°

5 0
3 years ago
Simplify the expression:
krek1111 [17]

Answer:

235a is 1

235b is a^12k+4 i think

3 0
3 years ago
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