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3 years ago

What is the opposite of 1/3 and of -7/12

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

6 0

The opposite of 1/3 is -1/3 and the opposite of -7/12 is 7/12 i hope i helped you

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sineoko [7]

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3 years ago

Lillian and Isabella went shopping for school supplies. Lillian found her favorite notebook on sale so she bought three of the e

ASHA 777 [7]

Answer:

Each girl had $7.50 when they arrived.

Step-by-step explanation:

We have to figure out what c (cost of each notebook) is first before we find out how much money each girl had. We also know they have the same money, so both sides are connected. The equation should be: 3x = x + 5.

3x = x + 5

First, subtract x from both sides. This cancels out the addition by x.

3x - x = 5

Now, subtract x from 3x. This equals 2x.

2x = 5

To cancel out the multiplication by 2, divide both sides by 2.

x = 5/2

Lastly, divide 5 by 2 to get 2.5.

x = 2.5

Substitute x for 2.5 in the earlier equation (3x = x + 5)

3(2.5) = 2.5 + 5

First, multiply 3 by 2.5 to get 7.5.

7.5 = 2.5 + 5

Add 2.5 to 5 to get 7.5.

7.5 = 7.5

Both sides are equal so we have our answer. So, both girls had $7.50 when they arrived at the store.

4 0

3 years ago

I need help plz I do not really understand this if you can help me I’d highly appreciate

alisha [4.7K]

Answer:

Step-by-step explanation:

question no 3

In complementary angles , sum of two angles is 90 degree. so here,

angle A + angle B = 90 degree

angle A is given i.e 11 degree . substitute the value of A

11 degree + angle B= 90 degree

angle B = (90 -11) degree

angle B = 79 degree

question no 4

In supplementary angles , sum of two angles is 180 degree so here,

angle A + angle B = 180 degree

angle A is given i.e 149 degree . substitute the value of angle A

149 degree + angle B = 180 degree

angle B = (180 - 149) degree

angle B = 31 degree

8 0

2 years ago

HELP..... To get a particular shade of green color, Ronald, a researcher, mixes 6 containers of green dye to every 3 containers

vekshin1

Answer:69.69

Step-by-step explanation:

6 0

3 years ago

What is the area of the shaded part?

katrin2010 [14]

Your answer would be 44in².

To find the area of the shaded part, we need to find the area of the whole triangle and then subtract the area of the small rectangle.

The equation for the area of a triangle is (base × height)/2, so in the triangle we’re given we can deduce that the total height is 8 inches, as it’s the 5 inches already shown in the triangle plus the height of the rectangle. We can also deduce that the base of the triangle is 14 inches long, because we end up with 5 + 5 + 4 = 14.

This gives us the area of the triangle as (14 × 8)/2 = 112/2 = 56 in².

Now we just need to find the area of the rectangle which is simply base × height. This gives us 4 × 3 = 12 in².

Our final answer is therefore 56 - 12 = 44 in².

I hope this helps!

5 0

3 years ago