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3 years ago

The sum of a number and its opposite equals zero

Mathematics

1 answer:

Andru [333]3 years ago

6 0

Answer:

Yes,its true

Step-by-step explanation:

<h2>__________________</h2><h2>Consider, a number x</h2>

<h2>as per question</h2>

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What happens to an inequality when multiplying/dividing by a negative number? Solve: -3x – 8 > 13

Harman [31]

-3times -8 is -24andthis is >THAN13

4 0

3 years ago

Can I please get help on this?

AnnyKZ [126]

Answer:

54 teachers

Step-by-step explanation:

Students ratio :17+18=35 then 630/35= 18 18x3t=54

6 0

3 years ago

If you want to put a 4x8 piece of plywood through a 3 foot square opening in your ceiling by turning it diagonally is the openin

Zigmanuir [339]

Here we apply the Pythagorean theorem:
c^2=a^2+b^2
The diagonal of the opening will be:
c^2=3^2+3^2
c^2=9+9
c^2=18
c=3√2 ft

The diagonal of the wood will be:
c^2=4^2+8^2
c^2=16+64
c^2=80
c=4√5 ft

The space will not be enough for the plywood to pass

8 0

3 years ago

The perimeter of a rectangle is twice the sum of its length and width the peremeter is 28 meters

Roman55 [17]

The right answer is 12 m

3 0

3 years ago

1.What is the equation of the line perpendicular to that passes through ? Write your answer in slope-intercept form. Show your

Juliette [100K]

Answer:

1. Use a compass to make arc marks which intersect above and below then connect.

2. $y=\frac{1}{3}x + 2$

Step-by-step explanation:

1. To construct a perpendicular line, use a compass to draw arc marks from one end of the segment through point P. Then repeat this again at the other end. This means at point P there will be two intersecting arc marks. Repeat the process down below with the same radius as used above. Then connect the two intersections.

2. The point slope form of a line is $(y-y_1)=m(x-x_1)$ where $x_1=-3\\y_1=1$ . We write

$(y-1)=m(x--3)\\(y-1)=m(x+3)$

Since the line is to be perpendicular to the line shown it will have the negative reciprocal to the slope of the function 3x+y =-8. To find m, rearrange the function to be y=-8-3x. The slope is -3 and the negative reciprocal will be 1/3.

$(y-1)=\frac{1}{3}(x+3)$

Simplify for slope intercept form.

$(y-1)=\frac{1}{3}(x+3)\\(y-1)=\frac{1}{3}x+1\\y=\frac{1}{3}x + 2$

3 0

3 years ago