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4 years ago

Which equation has a constant of proportionality equal to 1/2

Mathematics

1 answer:

Olin [163]4 years ago

5 0

The equation is Oy = 3/6x

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What is the value of b

Andrei [34K]

Answer:

Step-by-step explanation:

b + 95 + 34 = 180

b + 129 = 180

b = 51

8 0

4 years ago

PLEASE HELP OUT<br>(45 is incorrect I know that already)

sleet_krkn [62]

Answer:

∠ B = 60°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

(10x - 45)° is an exterior angle of the triangle , then

10x - 45 = 3x + 4x = 7x ( subtract 7x from both sides )

3x - 45 = 0 ( add 45 to both sides )

3x = 45 ( divide both sides by 3 )

x = 15

Then

∠ B = 4x = 4 × 15 = 60°

8 0

3 years ago

Read 2 more answers

48/8 = 42/x a. X=42 C. X = 8<br> b.x = 7<br> d.X = 6

makkiz [27]

Answer:

x=7

Step-by-step explanation:

x*48should be equal to 42*8

5 0

3 years ago

PLEASE HELP!!! WILL REWARD!!

BabaBlast [244]

X+y+z=t
simple..
there are no other numbers that we have to follow like (1/2x or 3/4y) so it is just all together=t. the x, y, z will equal t because t is the total number of students taking three languages. And that number should be equivalent to x,y,z combined.

otherwise?? i d k<span />

3 0

4 years ago

Read 2 more answers

Answer step by step

enot [183]

Consider, please, this solution/explanation:
1. suppose, that number of cars is 'x', numbers of buses is 'y'.
2. according to the condition 'a total of 32', it means that x+y=32. This is the 1st equation.
3. according to the condition in one car are 3x persons, in one bus are 27y persons, and totaly 3x+27y=408 people. This is the 2d equation.
4. if to solve the system of two equations:
$\left \{ {{x+y=32} \atop {3x+27y=408}} \right. \ =\ \textgreater \ \ \left \{ {{x=19 (cars)} \atop {y=13(buses)}} \right.$

Answer: 13 - b., 19 - c.

6 0

3 years ago