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2 years ago

What is the slope of this line?

Mathematics

2 answers:

shutvik [7]2 years ago

8 0

I think it’s -1 because with rise/run it goes down 2 and over 2 but the line is going down, so it’s negative.

ss7ja [257]2 years ago

6 0

Answer:

-1

Step-by-step explanation:

First observe the line. The slope will be negative because the line is going up to the left. When figuring out the slope, pick two points. I am going to pick (-2,0) and (-3,1). Use the rise over run method. When starting at (-2,0), go up and over until you reach (-3,1). That means you have to go 1 up and 1 over. 1/1 is 1. The line is negative, so 1 will turn into -1. I hope this helps! Let me know if you have any questions or if this is wrong.

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The diagonals of this rhombus are 8 and 16 units long. Their intersection creates four right angles, two 4-unit-long segments, a

Roman55 [17]

Answer:

$64\ \text{sq. units}$

Step-by-step explanation:

Area of a rhombus is the product of the length of the diagonals divided by two.

Length of one diagonal is 8 units and the other diagonal is 16 units

Area is given by

$A=\dfrac{8\times 16}{2}\\\Rightarrow A=64\ \text{sq. units}$

The area of the rhombus is $64\ \text{sq. units}$

Another approach is the diagonals have created 4 triangles where the base and is height is either 4 units long or 8 units long so the area of the rhombus would be the area of the 4 triangles.

$A=4\times \dfrac{1}{2}\times 4\times 8\\\Rightarrow A=64\ \text{sq. units}$

5 0

2 years ago

How do i find the mean of a group of number's

inna [77]

Lets say your numbers are these...

10,20,30,40,50,60,70,80,90 and 100

you would add those to get 650

Now how many numbers did you add?

You added 10

so now divided

650 by 10

you get 65

that is the mean of those numbers!

5 0

2 years ago

Read 2 more answers

What is 21 out of 30 as a percent

mina [271]

21/30 as a percent would be 70%.

7 0

3 years ago

Read 2 more answers

Pls help me I rlly don’t get it :(

zhenek [66]

Step-by-step explanation:

Use SOH-CAH-TOA.

Sine = Opposite / Hypotenuse

Cosine = Adjacent / Hypotenuse

Tangent = Opposite / Adjacent

Let's start with #12. The hypotenuse is 18. The side adjacent to ∠B is 6. Since we have the adjacent side and hypotenuse, we should use cosine.

cos B = 6/18

Solving for B:

B = cos⁻¹(6/18)

Using a calculator:

B ≈ 70.5°

Now let's do #14. The side adjacent to ∠B is 19, and the side opposite of ∠B is 22. Since we have the adjacent side and opposite side, we should use tangent.

tan B = 22/19

Solving for B:

B = tan⁻¹(22/19)

Using a calculator:

B ≈ 49.2°

8 0

2 years ago

Please help with this inequality.

iren [92.7K]

44 $\geq$ -3x + 2 > 14.
-2 -2 -2

42 $\geq$ -3x > 12
-------------------------------------
-3 -3 -3 (dividing with inequalities by a negative flips the inequality symbol)

-14 $\leq$ x < -4

3 0

2 years ago