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GalinKa [24]
4 years ago
10

I need help with geometry homework​

Mathematics
1 answer:
sasho [114]4 years ago
6 0
A. This is a what YOU think... how do YOU see it. to me, it looks like it lays down on its left side ... it spun to the left or rotated 90 degrees to the left (of course it could have rotated 270 degrees to the right)
B. Good job
C. Look at your answers in part B. (Ignore the third one until you think you have it. ). What happens? X goes to y and y goes to x? So the rule is (x,y) —> ( y, x)? No. The y changes signs... so ( -y, x)
D. What we just said in words in part C: the x & y switch places and the y changes signs. More “math-ey” sounding: the variables reverse and the y is multiplied by -1
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Por favor me ajudem
attashe74 [19]
Creo que la respuesta es c
4 0
3 years ago
The sum of two numbers is 14. The larger number minus three times the lesser number is -2. What is the lesser number?
V125BC [204]

Answer:

c) 4

Step-by-step explanation:

<u><em>The sum of two numbers is 14. The larger number minus three times the lesser number is -2</em></u>

<u><em /></u>

To solve this question, we need to write the statement mathematically;

Let the two numbers be x and y

"The sum of two numbers is 14" can be mathematically written as x+y = 14

and

"The larger number minus three times the lesser number is -2" can be mathematically written as x -  3y  = -2

x + y = 14  ------------------(1)

x - 3y= -2 -------------------(2)

Subtract equation (2) from equation (1)

[x - x = 0          y - (-3y)=4y     14-(-2)=16]

4y  = 16

To get the value of y divide both-side of the equation by 4

4y/4 = 16/4

y  =   4

Substitute y=4 into equation (1)

x + y =14

x +4 =14

Subtract 4 from both-side of the equation

x + 4 -4  = 10]-4

x = 10

x=10 and y =4

Therefore the lesser number is 4

7 0
3 years ago
PLEASE HELP!! FAST :)
chubhunter [2.5K]
Since x³ = x^(1/3) you can say that

(x
¹⁰)^(1/3) = x^10/3 = x^(3 + 1/3) = 

x³ ·∛x
7 0
3 years ago
A gym charges a $49.95 activation fee and $17.50 per month for a membership. If you spend $364.95 for how many months do you hav
olga nikolaevna [1]
18 months.

$364.95 - $49.95 = $315

$315 / $17.50 = 18
8 0
3 years ago
Where does the length of day remain the same throughout the year?
djyliett [7]
Due to the inclination of the terrestrial axis, the day has different duration in several points of the planet, which also depends on the time of year. However, this duration remains the same throughout the year in the Equator, which is known as the imaginary line that divides the planet in two hemispheres: Northern Hemisphere and Southern Hemisphere.
8 0
4 years ago
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