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Liono4ka [1.6K]

2 years ago

8

A group of students wants to determine the favorite snack food at their school. They know they should use a sample because the s

tudent population at their high school is 5,000. What is the best way for them to get a random sample of 100 students?

1 answer:

e-lub [12.9K]2 years ago

7 0

To create a survey and hand them out to different students

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romanna [79]

$\bf \textit{Law of sines}
\\ \quad \\
\cfrac{sin(\measuredangle A)}{a}=\cfrac{sin(\measuredangle B)}{b}=\cfrac{sin(\measuredangle C)}{c}\\\\
-------------------------------\\\\$

$\bf \cfrac{sin(88^o)}{39.9}=\cfrac{sin(A)}{31}\implies \cfrac{31\cdot sin(88^o)}{39.9}=sin(A)
\\\\\\
sin^{-1}\left[ \cfrac{31\cdot sin(88^o)}{39.9} \right]=sin^{-1}\left[ sin(A) \right]
\\\\\\
sin^{-1}\left[ \cfrac{31\cdot sin(88^o)}{39.9} \right]=\measuredangle A
\\\\\\
50.93841^o\approx \measuredangle A\qquad thus\qquad \measuredangle C\approx 41.0619^o$

3 0

3 years ago

If m 24 is 53°, what is the m26?

hodyreva [135]

Answer:

m∠8 = 49°

Step-by-step explanation:

∠7 and ∠8 are same-side interior angles.

Remember, same-side interior angles are supplementary. This means that the sum of the angles is 180°.

Let's use the variable 'x' to represent the unknown measure of angle ∠8.

$131 +x=180$

$131-131=0$ (cancels itself out)

$180-131=49$

$x=49$

Therefore, the measure of ∠8 is 49°.

4 0

2 years ago

The sum of three consecutive multiples"<br>of 8 is 192. Find the multiples.

goblinko [34]

Answer:

7,8,9

Step-by-step explanation:

192/8=24

X+(x+1)+(x+2)=24

3x+3=24

3x=21

x=7

so it’s 7,8,9

8 0

2 years ago

Read 2 more answers

State what additional information is required in order to know that the triangles are congruent

navik [9.2K]

12 sas equals 40 over 200-30= x minus 2

6 0

2 years ago

X^4=15 <br> is an exponential equation?

miskamm [114]

Answer:

No. It is not an Exponential Equation.

Step-by-step explanation:

Given $x^{4} =15$

By the Definition of Exponential Equation which states.

"The equation is said to be an exponential equation when it has a variable occurred in the exponent and which have the same base."

For Example:

All given below are said to be exponential equations.

$5^{x} =5^{2} \\7^{x}=49\\$

which can be rewritten as

$7^{x}=7^{2}$

Now in the given equation $x^{4}=15$ it doesn't have same base neither any means the base can be made same,hence the given equation is not an exponential equation

8 0

3 years ago