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3 years ago

Graph the line x-y= -1

Mathematics

1 answer:

hammer [34]3 years ago

8 0

Answer:

y = x + 1

Step-by-step explanation:

x - y = -1

-y = -x - 1

y = (-x - 1) ÷ -1

y = x + 1

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A 12 foot ladder is leaning up against the side of a building. The bottom of the ladder is 4 feet away from the bottom of the bu

Trava [24]

You can use the Pythagoras theorem for this since a right triangle is formed.

$c^2 = a^2 + b^2$

C = 12

A = 4

B = x

Input values:

$12^2 = 4^2 + x^2$

$144 = 16 + x^2$

$128 = x^2$

$x = \sqrt{128}$

$x = 11.3137...$

So, about 11ft.

5 0

3 years ago

The middle school dance team had 2 separate car washes on Saturday to raise money for new uniforms. The Main Street location rai

rosijanka [135]

Answer:

$465 at Back Street

$515 at Main Street

Step-by-step explanation:

980 (total) - 50 (the difference between the two) = 930

930/2 = 465 (back street)

465 + 50 (the difference) = 515 ( main street)

CHECK: 465 + 515 = 980

6 0

3 years ago

Which of the following are adjacent angles?

pickupchik [31]

Answer:

The first option

Step-by-step explanation:

Adjacent angles are just two angles next to each other

3 0

3 years ago

Read 2 more answers

Which of the following describes a correct method for solving the equation: -7/2n + 5= -16 A. Add 5 to both sides, then devide b

solniwko [45]

Answer:

If the use the method ''Add -5 to both sides, then multiply both sides by -2/7'', we can get the value n = 6.

Thus, the correct option is 'C'.

Step-by-step explanation:

Given the equation

$-\frac{7}{2}n+5=-16$

Let me solve this using the correct method

$-\frac{7}{2}n+5=-16$

Add -5 to both sides

$-\frac{7}{2}n+5+\left(-5\right)=-16+\left(-5\right)$

simplify

$-\frac{7}{2}n=-21$

Multiply both sides by -2/7

$-\frac{7}{2}n\times -\frac{2}{7}=-21\times -\frac{2}{7}$

simplify

$n=6$

Therefore, if the use the method ''Add -5 to both sides, then multiply both sides by -2/7'', we can get the value n = 6.

Thus, the correct option is 'C'.

4 0

3 years ago

Noah's cousin is exactly 7 years younger than Noah. Let M represent Noah's cousin's age in months and N represent Noah's age in

sashaice [31]

Answer:

1,if Noah is 15 his cousin is 8 or 96 months

2, and when Noah's cousin is 132 months or 11 years old Noah will be 18

3,n-[[7]12]=age of Noah's cousin

Step-by-step explanation:

1,15-7=8

1 part 2, 8*12=96

2,132/12=11

2 part 2,

11+7=18

3,n-[[7]12]=age of Noah's cousin

4,n+[7/12]

if n=18

18+[7/12]

18+0.5833=18.5833

7 0

3 years ago

Graph the line x-y= -1 ​

Graph the line x-y= -1