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VMariaS [17]
3 years ago
9

The sum of -8 and a number is at least 9

Mathematics
1 answer:
lesya [120]3 years ago
7 0
The answer is D. -8 +n<9;n>17
 
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Select the correct answer from each drop-down menu.
ella [17]

Answer:

A non-equilateral rhombus.

Step-by-step explanation:

We can solve this graphically.

We start with square:

ABCD

with:

A = (11, - 7)

B = (9, - 4)

C = (11, - 1)

D = (13, - 4)

Only with the vertices, we can see that ABCD is equilateral, as the length of each side is:

AB = √( (11 - 9)^2 + (-7 -(-4))^2) = √( (2)^2 + (3)^2) = √(4 + 9) = √13

BC =  √( (11 - 9)^2 + (-1 -(-4))^2) = √13

CD =  √( (11 - 13)^2 + (-1 -(-4))^2)  = √13

DA =  √( (11 - 13)^2 + (-7 -(-4))^2) = √13

And we change C by C' = (11, 1)

In the image you can see the 5 points and the figure that they make:

The figure ABCD is a rhombus, and ABC'D is also a rhombus, the only difference between the figures is that ABCD is equilateral while ABC'D is not equilateral.

5 0
2 years ago
Solve for k, m = 3kx/7 - 9
kap26 [50]

Answer:

(7m + 63)/3x = k

Step-by-step explanation:

<em>m=3kx/7 - 9</em>

<u><em>add 9 to both sides:</em></u>

m+ 9 = 3kx/7

<u><em>multiply both sides by 7:</em></u>

7(m+9) = 3kx

<u><em>distribute the 7:</em></u>

7m+63 = 3kx

<u><em>divide both sides by 3x:</em></u>

<u>(7m + 63)/3x = k</u>

3 0
3 years ago
If x=0. Find the value of 8x-2(6-x)
Harrizon [31]

Answer:

-12

Step-by-step explanation:

8x - 2(6 - x)

Substitute 0 for each x

8*0 - 2(6 - 0)

Solve.

0 - 2*6

0 - 12

-12

7 0
3 years ago
Read 2 more answers
Howard is designing a chair swing ride. The swing ropes are 55 meters long, and in full swing they tilt in an angle of 29? . How
Allushta [10]

Answer: 50.85 meters

<u>Step-by-step explanation:</u>

cos 29 = \frac{55}{h}

55 cos 29 = h

48.10 = h

Pole  = h + 2.75

        = 48.10 + 2.75

         = 50.85

3 0
3 years ago
Read 2 more answers
Find the difference 58.84 - 2.78​
VladimirAG [237]

Answer:

56.06

Step-by-step explanation:

 58.84

--  2.78

______

 56.06

I don't really know how else to explain this, but there ya go! Goodluck on your test or whatever you're doing! Stay safe ♥♥♥

8 0
3 years ago
Read 2 more answers
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