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ella [17]
3 years ago
10

This table shows the results of four surveys that randomly sampled 30 teenagers about their favorite night to hang out with frie

nds.
According to the unbiased surveys in this table, what percent of the teenagers are likely to prefer hanging out with their friends on Saturday night?

Mathematics
1 answer:
timama [110]3 years ago
5 0

Answer:

21%

Step-by-step explanation:

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10 points pls answer this is due tonight
lilavasa [31]
1.12 2.60 hope this helps if it is wrong then I’m sorry
5 0
3 years ago
If the length of a rectangle is a two-digit number with identical digits and the width is 1/10 the length and the perimeter is 2
Oksanka [162]

If the length of a rectangle is a two-digit number with identical digits and the width is 1/10 the length and the perimeter is 2 times the area of the rectangle, what is the the length and the width

Solution:

Let the length of rectangle=x

Width of rectangle=x/10

Perimeter is 2(Length+Width)

= 2(x+x/10)

Area of Rectangle= Length* Width=x*x/10

As, Perimeter=2(Area)

So,2(x+x/10)=2(x*x/10)

Multiplying the equation with 10, we get,

2(10x+x)=2x²

Adding Like terms, 10x+x=11x

2(11x)=2x^2

22x=2x²

2x²-22x=0

2x(x-11)=0

By Zero Product property, either x=0

or, x-11=0

or, x=11

So, Width=x/10=11/10=1.1

Checking:

So, Perimeter=2(Length +Width)=2(11+1.1)=2*(12.1)=24.2

Area=Length*Width=11*1.1=12.1

Hence, Perimeter= 2 Area

As,24.2=2*12.1=24.2

So, Perimeter=2 Area

So, Answer:Length of Rectangle=11 units

Width of Rectangle=1.1 units

7 0
3 years ago
Read 2 more answers
Why is this wrong?<br> What is the rigth answer?
pantera1 [17]
For every 7 votes for candidate a, there are 4 votes for candidate c
3 0
3 years ago
Which shows the correct substitution of the values a, b, and c from the equation 0 = – 3x2 – 2x + 6 into the quadratic formula?
ZanzabumX [31]

Answer:

shows correct substitution of the values a, b, and c  from the given quadratic equation    into quadratic formula.

Step-by-step explanation:

Given: The quadratic equation

We have to show the correct substitution of the values a, b, and c from the given quadratic equation    into quadratic formula.

The standard form of quadratic equation is  then the solution of quadratic equation using quadratic formula is given as

Consider the given  quadratic equation

Comparing with general  quadratic equation, we have

a = -3 , b = -2 , c = 6

Substitute in quadratic formula, we get,

Simplify, we have,

Thus,  and x_{2}=\frac{2-\sqrt{76} }{-6}

Simplify, we get,

Thus,  shows correct substitution of the values a, b, and c  from the given quadratic equation    into quadratic formula.

3 0
3 years ago
True or false the measures of an exterior angle and the adjacent interior angle add up to 360 because they form a linear pair
enot [183]

THe given statement is " the measures of an exterior angle and the adjacent interior angle add up to 360 because they form a linear pair  " .

And in a linear pair, the sum of the measures of exterior angle and adjacent interior angle is 180.

But in the statement, it is given that the sum is 360 degree.

So the given statement is false .


7 0
3 years ago
Read 2 more answers
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