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Mekhanik [1.2K]
3 years ago
7

Which situation can be represented by this equation? 7x + 1 = 10x

Mathematics
1 answer:
storchak [24]3 years ago
5 0

Answer:

1/3

Step-by-step explanation:

7x + 1 = 10x

1 = 10x - 7x

1 = 3x

1/3 = x

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In the year 2002, the world population was estimated at 6 billion people. Based on research from the World Bank, about 20% lived
olga_2 [115]
In the given question all the information's are provided based on which the answer to the question can be easily deduced. It is already given that the population of the world in the year 2002 was estimated to about 6 billion. Among them 20% of the people lived on an an income of less that $1 per day.Firstly let us convert 6 billion from words to numbers.
6 billion = 6000000000
Now
Number of people earning less that $1 per day = (20/100) * 6000000000
                                                                           = 6000000000/5
                                                                           = 1200000000
So the number of people earning less than $1 per day is 1200000000
8 0
3 years ago
A triangle ABC has two side lengths of 28 ft. and 24 ft. If angle C is 91°, what's the measurement of angle B
Zina [86]

Answer:

Step-by-step explanation:

Given that in a triangle ABC,  AB = 28, BC = 24 and angle C =91,

We have to find measure of angle B.

Since three measurements are given, we can solve the triangle easily

Use the sine formula for triangles.

\frac{c}{SinC} =\frac{b}{Sin B}=\frac{a}{Sin A}

A = arcsin(\frac{asinC}{c}  )=58.98

Since sum of 3 angles is 180, we calculate B easily

Angle B = 180-(A+C)

= 180-(91+58.98)

=30.02

3 0
3 years ago
Marilyn and Vanessa earn service points for every hour they volunteer at the local library. Marilyn
Tanzania [10]

<em>Answer:</em>

<em>200 points Vanessa</em>

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

<em>M = 165%V</em>

<em>330 = 165V/100</em>

<em>33000 = 165V</em>

<em>V = 33000 : 165</em>

<em>V = 200 points Vanessa</em>

7 0
3 years ago
Read 2 more answers
What's 2 + 2 in a mathematical sense
Setler [38]

In a mathematical sense..

Not to make it too complicated, however, here's where we get on to the real mathematics.

There are infinite equations for 2 + 2. The gap between any number can be infinite if you keep giving it more numerical content. However, solving 2 + 2 can be very tricky.

1 + 1 + 1 + 1 = 4. Easy, right? Wrong. We can deduct from this equation that 1 + 1 = 2, so if we do 1 + 1 PLUS 1 + 1, (1 + 1 + 1 + 1 again), that equals four, because 1 + 1 is 2 and if we add another 1 to 2, 1 + 2, it equals 3, so 1 + 3 = 4. I'd like to remind you-- this works both ways, whether or not it's 3 + 1 or 1 + 3, it equals 4. If we carry the 1 from the three and put it in a separate number in an equation, said equation is now 1 + 1 + 2. It still equals 4, because 1 + 1 = 2 and if you take 2 and put it in 1 + 1's place, it's 2 + 2.

2 + 2 = 4.

(this was a joke answer, don't take anything said in this answer seriously.. OR you can if you want, because it's all true.. 2 + 2 = 4.)

Hope this helped!

- William.

4 0
3 years ago
factor the polynomial. 17xy^4 51x^2y^3 a) 7xy (10y^4 44xy^2) b) 17xy^3 (y 3x) c) 17xy (1 1/3xy^2) d) xy (17 51xy^2)
Gnom [1K]
17x y^4 + 51x^2 y^3 = 17x y^3(y + 3x)
6 0
3 years ago
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