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MAVERICK [17]
3 years ago
9

Can someone plz help me with this one problem plzzzzz!!! I’m marking brainliest!!!

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
3 0
I don’t know this sorry
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Which equation represents a line that intersects the line 2y − 4x = 3? A.-2y + 4x = 1 B. 3y − 6x = 6.5 C. y − 2x = 3 D. -2y − 4x
irga5000 [103]
Convert all the equations to slope-intercept form:
2y-4x=3 \ \ \ |+4x \\
2y=4x+3 \ \ \ |\div 2 \\
y=2x+\frac{3}{2}

A. \\
-2y+4x=1 \ \ \ |-4x \\
-2y=-4x+1 \ \ \ |\div (-2) \\
y=2x-\frac{1}{2} \\ \\
B. \\
3y-6x=6.5 \ \ \ |+6x \\
3y=6x+6.5 \ \ \ |\div 3 \\
y=2x+\frac{13}{6}

C. \\
y-2x=3 \ \ \ |+2x \\
y=2x+3 \\ \\
D. \\ 
-2y-4x=3 \ \ \ |+4x \\
-2y=4x+3 \ \ \ |\div (-2) \\
y=-2x-\frac{3}{2}

Lines A, B and C have the same slope as the line 2y-4x=3, so they are parallel and don't intersect it.
Line D has another slope, so it intersects the line 2y-4x=3.
The answer is D.
3 0
4 years ago
The table shows the grade that 4 students received on a math test. Find the bar graph that represents the grades.
tiny-mole [99]

Answer:

The answer to your question is the first graph.

Step-by-step explanation:

It seems that the first graph is correct because the height of the bars is equal to the grade get by the students.

The second graph is incorrect because the height of the bars is different from the grade the students got. Only the bar of Levi is correct.

The third graph is incorrect, just observe the height of John's bar to determine that the graph is wrong.

Also, the last graph is incorrect, in this graph, all the bars are different from the grade the students got.

6 0
4 years ago
PLEASE HELP I WILL MARK BRAINLIEST SHOW WOrK HOW YOU GOT IT
nadya68 [22]

Answer:

7 . 8.9

8 . 19.5

9 . 9.9

10 .12.6

Step-by-step explanation:

7.x=11tan39

8.x=28cos46

9.x=8tan51

10.x=31sin24

side opposite of mentioned angle is opposite

longest side in triangle is hypotenuse

the side subtended by the angle is the adjacent

7 0
3 years ago
How do I solve 7x-2=11x-12-2x+4
ANEK [815]
Answer: x=3

Explanation:
Step 1: Combine like terms 7x-2=9x-8
Step 2: Put all variables on one side and all numbers on the other 2x=6
Step 3: Divide x=3
8 0
3 years ago
The population of a country in 1950 was 6.2X10^7. The population in 2030 is projected to be 3X10^2 times the 1950 population. If
podryga [215]
[6.2x10^7]x[3x10^2]
=1.86x10^10

The hint is in the question. All you do is times the projection in 2030 with 1950 population.

3 0
3 years ago
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