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erma4kov [3.2K]
3 years ago
9

Which of the following equations is a direct variation? y=3X+2 y=5 y=2x y=8x+6

Mathematics
1 answer:
Alex3 years ago
3 0

direct \: varition \: means \: y \alpha x \\   it \: becomes \: y = kx
So y=2x is the only answer that fit y=kx, while k=2
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6/2 (1 + 2) ? What is the answer to this the answer choices are: 1, 6, 9, and 3
guapka [62]

Answer:

9

Step-by-step explanation:

6÷2(1+2)

(1+2)

3

6÷2×3

6÷2=

3

3×3

9

4 0
3 years ago
“Ms. Blanco drove her car at a speed of 80 kilometers per hour for 1 1/2 hours, then at a speed of 100 kilometers per hour for 2
lara31 [8.8K]
I’m pretty sure it’s 370 bc
1 and a half hours is 80+40 (40 is half of 80)
and 2 and a half hours, so 100 for each hour.
100+100+50= 250

250+120=370!!

answer : 370 kilometers per hour
8 0
2 years ago
Read 2 more answers
Could you please answer Number 2? This is for geometry
katrin [286]
Answer: 108 degrees

============================================================

Explanation:

Angle ABC is given to be 90 degrees. By the converse of Thales Theorem, we know that AC is a diameter of the circle. 
If we draw a line from A to C, it will pass through the center of the circle.

Therefore, arc AC is 180 degrees as this is half the distance around the circle.

minor arc AD = 72
minor arc CD = x
(minor arc AD) + (minor arc CD) = arc AC
72+x = 180
72+x-72 = 180-72
x = 108

minor arc CD is 108 degrees
7 0
3 years ago
Conditional Probability
trapecia [35]
To solve for P(QIR) we use the formula:
P(QIR)=[P(Q∩R)]/P(R)
But from the diagram:
P(Q∩R)=3/22
P(R)=7/22
hence
P(QIR)=3/22÷7/22=3/7
3 0
3 years ago
Given 6x+5y=12 find the equation of the line parallel to it passing through (1,10).
Deffense [45]

Answer:

y = -6/5x+56/5

Step-by-step explanation:

4 0
3 years ago
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