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Andreas93 [3]
3 years ago
11

Enter a fraction that makes the equation below true. 3/10 divided by what equals 2/5?

Mathematics
2 answers:
vazorg [7]3 years ago
8 0

Answer:

x=0.75

Step-by-step explanation:

Solve for  x  by cross multiplying.

Strike441 [17]3 years ago
3 0

Answer:

3/4

Step-by-step explanation:

Write out and solve the equation

       3/10           2

  -------------- = ------

         x               5

Cross-multiplying, we get 15/10 = 2x, and so x must be 15/20, or 3/4

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Andrew blew up 25 more balloons than the quotient of the number that Cameron blew up and 8. Cameron blew up b balloons. Write an
Phantasy [73]

Answer:

=Y2-10Y

We move all terms to the left:

-(Y2-10Y)=0

We add all the numbers together, and all the variables

-(+Y^2-10Y)=0

We get rid of parentheses

-Y^2+10Y=0

We add all the numbers together, and all the variables

-1Y^2+10Y=0

a = -1; b = 10; c = 0;

Δ = b2-4ac

Δ = 102-4·(-1)·0

Δ = 100

The delta value is higher than zero, so the equation has two solutions

We use following formulas to calculate our solutions:

Y1=−b−Δ√2aY2=−b+Δ√2a

Δ‾‾√=100‾‾‾‾√=10

Y1=−b−Δ√2a=−(10)−102∗−1=−20−2=+10

Y2=−b+Δ√2a=−(10)+102∗−1=0−2=0

6 0
2 years ago
Factor y2 + 5y + 6.
Phoenix [80]
This is a notable trinomial.

You have to find two number which summed give 5 and multiplied give 6

In this case 2 and 3

2+3 = 5 and 2*3 = 6

So (y+2)(y+3)
6 0
4 years ago
A person places a bet on the coin toss at the start of the Super Bowl. If the coin comes up HEADS you WIN $100. If the coin come
devlian [24]

Answer:

- 5

Step-by-step explanation:

Probability of a coin toss : (H, T)

With probability of 0.5 each

X : ____100 ____ - 110

P(x) :___ 0.5 ____ 0.5

Expected value ; E(X) = ΣX*p(X)

E(X) = (100 * 0.5) + (-110 * 0.5)

E(X) = 50 - 55

E(X) = - 5

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4 0
3 years ago
What are the coordinates of point F?
Allisa [31]

The coordinates of point F are 4 and negative 2.5. Option C is correct.

<h3>What is the best way to understand the Cartesian coordinate plane?</h3>

A Cartesian coordinate plane is a two-dimensional plane with infinite dimensions. On an endless 2d plane, any two-dimensional figure may be drawn. A location is assigned to each point on a Cartesian plane.

It is the perpendicular distance between that point and the horizontal and vertical axes, which are commonly referred to as the x-axis and y-axis.

The location is then written as (a,b), where 'a' is the point's shortest distance from the y-axis, 'b' is the point's shortest distance from the x-axis, and 'c' is the point's shortest distance from the x-axis.

'c' is the point's shortest distance from the x-axis, and 'c' is the point's shortest distance from the x.

The coordinates of point F are 4 and negative 2.5.

Hence, the Option C is correct.

To learn more about the Cartesian plane refer;

brainly.com/question/27538987

#SPJ1

4 0
2 years ago
If a triangle has three congruent sides, then its angles are all 60 degrees. Identify each statement by matching it to the corre
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Answer:

we need a picture too

Step-by-step explanation:

8 0
4 years ago
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