MATHEMATICS MIDDLE SCHOOL

What is the equation of a line that passes through the point (1, 8) and is perpendicular to the line whose equation is y=x/2+3 ?Enter your answer in the box.
x/2 is a fraction

Answers

Answer 1
Answer:

Answer

y = -2x + 10


Explanation

The general equation for a straight line is y = mx + c where m and c are gradient and y-intercept respectively.

y=x/2+3 = y (1/2)x + 3

gradient = 1/2

Gradient of the line perpendicular to y=x/2+3 is;

m × 1/2 = -1

m = -2

Now we find the equation of a line passing through (1,8) and have a gradient of -2.

-2 = (y - 8)/(x - 1)

-2(x - 1) = (y - 8)

2 -2x = y - 8

y = -2x + 10
Answer 2
Answer:

Answer: here is the test answer. Have a splendid day!!!

Step-by-step explanation:

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(30/ If the surface of a lake represents a plane, what geometricterm is represented by the intersection of a fishing line
and the lake's surface?

Answers

Answer:

  • A point

Explanation:

The surface of a lake represents a plane because it extends in all directions at the same level. Imagine it as a quite surface, without imperfections, smooth and perfectly plane, it is a two-dimensional figure.

A fishing line that enters into the water, crossing the lake's surface, representes a line, which may be either perpendicular or leaned.

Thus the intersection of those two figures is a point.

A surface and a line that is not included in the plane and is not parallel to it will meet at a single point, which is what is represented by the situation stated.

Answer:

The geometric term that is represented is

a point.

How to write 1.35 as a fraction in lowest form

Answers

the answer in a mixed number would be 1 7/20 
improper fraction 27/20

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Students in Miss Moseley's fourth grade class are learning multiplication, and they demonstrate mastery by passing assessments. Travis has passed 11 tests, and his classmate, Jenifer, has passed 2 tests. Going forward, Travis plans to pass 2 tests per week. Meanwhile, Jenifer plans to pass 5 tests per week. Eventually Jenifer will catch up to Travis. When the number of tests each student has passed are equal, how many tests will each student have passed and how many weeks will it take?

Answers

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Answer:

Step-by-step explanation:

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Answers

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What is the value of the expression? -2/5 - 3/7 * 7/10 = A. -7/10

B. -1/3

C. 1/3

D. 7/10

Answers

order of operations
PEMDAS
parenthasees
exponents
multipication or division whichever comes first
addition or subtraction whichere comes first

first muliplication
-3/7 times 7/10=-21/70=-3/10

then we have
-2/5-3/10
make bottom number 10
-2/5=-4/10
-4/10-3/10=-7/10


answer is A
-(2\5)-(3\7)*(7\10)=-(2\5)-3\10=-4\10-3\10=-7\10.
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