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Anastasy [175]
3 years ago
9

HELP ASAP 30 POINTS GIVEN

Mathematics
2 answers:
Irina-Kira [14]3 years ago
5 0

Answer:

-\frac{3}{7},2,-\frac{3}{7},2,is,both pairs of opposite sides are parallel

Step-by-step explanation:

Given two points

A=(a1,a2) and

B=(b1,b2)

We define the slope ''m'' between this points as :

m=\frac{b2-a2}{b1-a1} or either

m=\frac{a2-b2}{a1-b1}

The slope between the points J and K is

m=\frac{-1-2}{4-(-3)}=-\frac{3}{7}

The slope between the points L and K is

m=\frac{-1-(-5)}{4-2}=2

The slope between the points M and L is

m=\frac{-2-(-5)}{-5-2}=-\frac{3}{7}

The slope between the points M and J is

m=\frac{-2-2}{-5-(-3)}=2

We find all the slopes between the points.

For the quadrilateral JKLM the side JK is opposite to the side ML and the side KL is opposite to the side JM

The definition of parallelogram is :

A figure with 4 sides in which their opposite sides are parallel.

The side JK is parallel to the side ML because they have the same slope.

The side JM is parallel to the side KL because they have the same slope.

We answer that JKLM is a parallelogram because both pairs of opposite sides are parallel.

Sati [7]3 years ago
4 0
The slope of JK is -3/7
The slope of LK is 2
The slope of ML is -3/7
The slope of MJ is 2
Quadrilateral JKLM is a parallelogram because both pairs of opposite sides are parallel. YOU'RE WELCOME :D
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PLEASE HELP please give explanation and maybe some extra notes i would apperiate :) oop didnt spell that right but oh well anywa
Nataly_w [17]

I hope this is what you need.

Answer/Step-by-step explanation:

<u>Given:</u>

Bracelets - $3

Necklaces - $6

<u>To Find:</u>

Complete the patterns in the first two columns for the cost of 0,1,2,3 and 4 pieces of jewelry. Write the ordered pair for the corresponding terms in the third column. Then graph the ordered pairs.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<u>Solve: </u>Complete the patterns in the first two columns for the cost of 0,1,2,3 and 4 pieces of jewelry.

<u>Bracelets:  </u>                                                      <u> Necklaces:</u>

0 = $0                                                               0 = $0

1= $3                                                                  1 = $6

2=$6                                                                  2 = $12

3=$9                                                                   3 = $18

4=$12                                                                  4 = $24

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<u><em>Solve: </em></u>Write the ordered pair for the corresponding terms in the third column.

Ordered Pair -

Two numbers written in a certain order.

Usually written in parentheses like this:

(12,13)

Where they cross over is the "0" point,

we measure everything from there.

The X Axis runs horizontally through zero

The Y Axis runs vertically through zero

(x, y )

Since it asking for Write the ordered pair for the corresponding terms in the third column.

Thus,

- Number of jewelry to cost -

we have:

Bracelets ⇒ ( 3, 9)

Necklaces ⇒ (3, 18)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Then graph the ordered pairs.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<u><em>Kavinsky</em></u>

8 0
2 years ago
Use these clues to guess the mystery number.
marysya [2.9K]

Will it 150 if it's not I try

8 0
3 years ago
What percent is 3 out of 70
koban [17]
3/70=x/100
(3/70)*100=x
300/70=x
x=30/7=4.2857 roughly
8 0
3 years ago
Suppose that the world's current oil reserves is R = 1820 billion barrels. If, on average, the total reserves
iVinArrow [24]

Answer:

A. R = -18t + 1,820

B. 1,568 billions of barrels

C. approximately 101.11 years

Step-by-step explanation:

To make our equation, we'll use the form R = mt + b. M represents how many billion barrels of oil are being lost each year, which we know is 18 billion. So -18 will be our m. B is how many total barrels of oil there are, which is 1,820. So 1,820 will be our b. Now the equation looks like this:

R = -18t + 1,820

We can use this equation to answer Part B.

Replace the t with 14:

R = -18(14) + 1,820

Now solve for R:

R = -18(14) + 1,820

R = -252 + 1,820

R = 1,568

14 years from now, there will be 1,568 billions of barrels left.

To solve part C, we need to find how many years it will take for all of the oil to be used up. After it's all used up, the total amount of oil will be 0, so we can replace R with 0 and then solve for t:

0 = -18t + 1,820

Subtract 1,820 from both sides to isolate -18t:

0 - 1,820 = -18t + 1,820 - 1,820

-1,820 = -18t

Divide both sides by -18 to isolate the t:

-1,820/-18 = -18t/-18

101.11 = t

After approximately 101.11 years, all of the oil will be used up.

3 0
2 years ago
100 is the regular price if you buy one and get the other half price. Explain how this different from getting a 50% discount?
Vinvika [58]
100 = x + x/2

3x/2 = 100

x = 200/3

if there was 50% discount:

buying 1 would be $33.33

buying 2 would be $66.67
4 0
3 years ago
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