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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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Find the area of a sector with a central angle of 120° and a diameter of 7.3 cm. Round to the nearest tenth.
Andru [333]

Answer:14cm^{2}

Step-by-step explanation:

diameter=7.3cm

radius=\frac{diameter}{2}

          =\frac{7.3}{2}

          =3.65cm

angle =120°

area=\frac{angle (tita)}{360} × \frac{\pi r^{2} }{1}

=\frac{120}{360} × \frac{22}{7} ×3.65^{2}

=13.95cm^{2}

≅14cm^{2}

6 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new
mestny [16]

Answer:

23x = -115

Step-by-step explanation:

In the substitution method, you must solve for 1 variable in 1 equation to replace it in the other equation. For the system:

2x - 7y = 4

3x + y = -17

Solving for y in the second equation:

y = -17 - 3x

Replacing y in the first equation:

2x - 7(-17 - 3x) = 4

2x + 119 + 21x = 4

23x = -115

This is the new equation after use the substitution method.

5 0
3 years ago
Help me i nedd help...........
VMariaS [17]

Answer:

The answer is 10 12/85    Hope you pass!

4 0
3 years ago
Can somebody explain Literal equations to solve for a given variable? i am so confused about it
anastassius [24]

The explanation of using Literal equations to solve for a given variable is as explained below.

How to solve Literal Equations?

Literal equations are equations containing two or more variables; at least one independent variable and one dependent variable

To solve a literal equation means to rewrite the equation so a different variable stands alone on one side of the equals sign. We have to be told for which variable we want to solve.

Linear equations in one variable may take the form ax + b = 0  and are solved using basic algebraic operations.

We begin by classifying linear equations in one variable as one of three types: identity, conditional, or inconsistent. An identity equation is true for all values of the variable.

Read more about Literal Equations at; brainly.com/question/1852246

#SPJ1

8 0
1 year ago
Which equation has no solution?
kherson [118]
A because absolute values are always more than or equal to 0
7 0
3 years ago
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