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balu736 [363]
3 years ago
7

What value of p makes the equation true?

Mathematics
1 answer:
cluponka [151]3 years ago
7 0

Answer:

p = 1/8

Step-by-step explanation:

-3p + 1/8 = -1/4

-3p = -1/8 -14 /*8

-24p = -1 -2

-24p = -3  /:(-24)

p = 1/8

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What is the constant of proportionality in the equation?
IrinaVladis [17]

Answer:

The constant of proportionality is option D i.e 5.

Step-by-step explanation:

Variation:

Variation problems involve fairly simple relationships or formulas, involving one variable being equal to one term. There are two types of variation i.e.

  1. Direct variation
  2. Inverse variation

Direct Variation:

Mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other.

Example y=kx

where, k  is constant of proportionality.

The above given example is of Direct Variation

∴ y = 5 x

∴ k = 5 = constant of proportionality.

Inverse Variation:

Mathematical relationship between two variables which can be expressed by an equation in which the product of two variables is equal to a constant.

Example yx=k

where, k  is constant of proportionality.

5 0
3 years ago
Read 2 more answers
All 231 students in math club went on a field trip some rode in vans that held 7 people and some rode on buses that held 25 peop
MariettaO [177]

Answer:

8 vans

7 buses

Step-by-step explanation:

Let there be "b" buses

and "v" vans

Since 7 people is the capacity of vans, the total capacity is

7v

Also, since 25 people is the capacity of 1 bus, the total capacity is

25b

In total 231 people, so we can write our first equation as:

7v + 25b = 231

Now, we know there are 15 vehicles (bus + vans) in total, so we can write our 2nd equation as:

v + b = 15

Now, we solve for v and b. Let's solve the 2nd equation for v and substitute that into 1st and solve for b first:

v + b = 15

v = 15 - b

Now,

7v + 25b = 231\\7(15-b) + 25b = 231\\105-7b+25b=231\\18b=126\\b=7

Hence, there are 7 buses

Since 15 vehicles in total, the number of vans is:

15 - 7 = 8 vans

So,

8 vans

7 buses

8 0
3 years ago
Can u help me with this
erica [24]
The last one because it can be traced like Jerome gets these cards from this place but others from a different place
8 0
3 years ago
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Which fraction is equivalent to 4/6? 2/4 2/3 1/3 1/2​
swat32

Answer:

2/3

Step-by-step explanation:

Your answer would be 2/3 because is you divide 4 and 6 by 2 you get 2/3! Hope This Helped! Happy Friday!

6 0
3 years ago
Mr downs bought a camera for 56$. this was 80% of the list price. what was the list price
Vsevolod [243]
I got 70 as the list price. If it’s multiple choice and 70 isn’t one of the answers I’m sorry
5 0
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