MATHEMATICS HIGH SCHOOL

Brandie lives on the twelfth floor of her apartment building. She walks down 2 flights to visit a friend, then up 3 flights to deliver a message to a neighbor. Which integer best represents the number of flights Brandie must walk to get back to her starting point?A.–12
B.–1
C.5
D.7

Answers

Answer 1

Answer:

Answer:

Option B. -1

Step-by-step explanation:

Brandie lives on the twelfth floor of her apartment building.

She walks down 2 flights to visit a friend = 12 - 2 = 10th floor

Then up 3 flights to deliver a message to a neighbor = 10 + 3 = 13th floor

Now Brandie walk to get back to her starting point that is 12th floor, she must walks down 1 flight.

So the answer would be option 'B' -1

Answer 2

Answer: B.-1 because she started on the twelfth floor she walks down 2=10 and then back up 3=13 so she has walk down 1 flight to get back.

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What is the value of n so that the expression x^2 + 11x + n is a perfect trinomial?a) 11
b) 25
c) 30.25
d) 36

Answers

the answer is c) 30.25

If 0.05x=20 then x=

Answers

0.05x=20
-------- -------
0.05 0.05

×=400

x=20/0.05
x=400
therefore x is going to be 400

What is the value of x in this figure?123√

122√

63√

6

A right triangle with both legs shown with one tick mark. One of the legs is labeled 12. The hypotenuse is labeled x.

Answers

Here we use the Pythagoras theorem

According to this, in a right angled triangle, the sum of the squares of the lengths of the two sides is equal to the hypotenuse

is "a" and "b" are the sides, and "h" is the hypotenuse, then :

$a^(2)+ b^(2) = h^(2)$

In the given problem, a = b = 12 and h = x

12^2 + 12^2 = x^2

So, x = $\sqrt{12^(2) + 12^2$

x = $√(144 + 144)$

X = $√(288)$

X = 12 $√(2)$ (Option B)

The answer is the second choice, 12√2

Simplify 7/9 14 (please help)

Answers

the answer is 1/18 i belive bc in the way u asked this is kinda confusing so im sorry if im wrong

What is the solution to the system of equations y= -5x +3 y=1

Answers

To find the solution to this, we need to use the substitution method.

y = -5x + 3

Substitute the value for y.

y =1

1 = -5x + 3

Now, solve for x.

1-3 = -5x + 3 Apply the inverse operation to both sides of the equation.
-3

1-3 is -2

-2 = -5x

-5x/-5 = -2/-5
x = 0.4

Final answer:- x = 0.4 y = 1

Answer:

(0.4, 1)

Step-by-step explanation:

Give the slope and y-intercept ofthe line.
slope = [?], y-intercept = [ ]
Enter the number that belongs in the green box.
Enter