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3 years ago

Line a y=1/2x+2

Mathematics

1 answer:

nikdorinn [45]3 years ago

4 0

Answer:

b and c

Step-by-step explanation:

Have a look at lines b and c. Note that the two slopes (-1/2 and +2) are negative reciprocals of one another. This is a sure sign that lines b and c are perpendicular.

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Which is the volume of a cube if each side measures 1 foot

grandymaker [24]

volume of a cube
V= a^3 = 1^3 = 1

answer

D . 1 cubic foot

4 0

3 years ago

PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!! I NEED TO FINISH THESE QUESTIONS BEFORE MIDNIGHT TONIGHT.

seropon [69]

Yo sup??

we can solve this question by applying trigonometric ratios

sin31=TU/TV

TV=TU/sin31

TV=7.76

=7.8

Hope this helps.

7 0

4 years ago

51:9 in simplelest form

Svet_ta [14]

the answer should be 17/3

7 0

4 years ago

3x + ky = 8

sattari [20]

Answer:

(a): x is 3 and ky is -1

(b): k is -2

Step-by-step explanation:

Let: 3x + ky = 8 be equation (a)

x - 2 ky = 5 be equation (b)

Then multiply equation (a) by 2:

→ 6x + 2ky = 16, let it be equation (c)

Then equation (c) + equation (b):

${ \sf{(6 + 1)x + (2 - 2)ky = (16 + 5)}} \\ { \sf{7x = 21}} \\ { \sf{x = 3}}$

Then ky :

${ \sf{2ky = 3 - 5}} \\ { \sf{ky = - 1}}$

${ \bf{y = \frac{1}{2} }} \\ { \sf{ky = - 1}} \\ { \sf{k = - 2}}$

4 0

3 years ago

What are the numerical measures of each angle

Alexxx [7]

Answer:

angle 1 and 3 are equal by vertically opp. angle

3x-1 = 2x +9

3x-2x = 9+1

x = 10

put the value of x in any equation

3(10)-1 = 29

angle 1 = angle 3 = 29

angle 2 + angle 3 = 180 ° (linear pair)

angle 2 = 180 -29

angle 2 = 149

angle = angle 3 = 149.

Hope it helps

5 0

4 years ago