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nlexa [21]
3 years ago
8

Solve the system x-z=5, 2x+y= 7, y+3z=12

Mathematics
1 answer:
Wewaii [24]3 years ago
7 0
x,z,y = 20,15,-33

i think thats it im sorry
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Any two conditions of an object to float on liquid ​
bixtya [17]

Answer:

it needs to be less dense than water and weight needs to be equal to buoyant force.

8 0
3 years ago
Doug took 180 photos during his vacation. He took 2/3 of photos during
pogonyaev

<u>Answer:</u>

66 pictures

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

180 ÷ 3 = 60      60 x 2 = 120

120 = 2/3. He took <em><u>120 pictures on the first day </u></em><em><u>of his vacation.</u></em>

120 ÷ 4 = 30    30 x 1 = 30

30 = 1/4. <em><u>He took </u></em><em><u>30 pictures of landscapes</u></em>

120 ÷ 10 = 12     12 x 3 = 36

0.3 = 36. <em><u>He took </u></em><em><u>36 pictures of people.</u></em>

36 + 30 = 66 pictures.

<em><u>He took 66 pictures of landscapes and people.</u></em>

Hopefully this helps :3 sorry if wrong :( plz mark brainiest if correct :D Your bootiful/handsome! Have a great day luv <3

-Bee~

7 0
3 years ago
The value of k<br> 4x^2 +20k+k
Wittaler [7]

Step-by-step explanation:

You want the to find the value of k such that the y coordinate of the vertex is 0.

0=x2−6x+k

The x coordinate, h, of the vertex is found, using the following equation:

h=−b2a

h=−−62(1)=3

Evaluate at x = 3:

0=32−6(3)+k

k=9

8 0
3 years ago
Solve for g.<br> 3=9/-4 - 5
barxatty [35]

Answer:

g = -32

Step-by-step explanation:

3 = g/-4 - 5

Multiply both sides of the equation by -4

-12 = g + 20

Swap sides so that the variable terms are on the left hand side

g + 20 = -12

Subtract 20 from both sides

g = -12 - 20

Subtract 20 from -12 to get -32

g = -32

7 0
3 years ago
Which of the following will form the composite function G(F(x)) shown
photoshop1234 [79]
The answer is c F(x)= x2-5 and g(x)=c+4
6 0
3 years ago
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