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2 years ago

Four teachers offer an after-school chess club. The table shows the number of

Mathematics

1 answer:

madam [21]2 years ago

5 0

Using proportions, it is found that the least number of teams that will include all of the students is of 10.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, 12 + 36 + 9 = 57 students will be divided into teams of no more than 6 students, hence:

57/6 = 9.5.

Rounding up, the least number of teams that will include all of the students is of 10.

More can be learned about proportions at brainly.com/question/24372153

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Triangle ABC , m∠A=45° and c = 16, find b.

zmey [24]

Using the cosine function:

$\begin{gathered} \cos (\theta)=\frac{_{\text{ }}adjacent}{_{\text{ }}hypotenuse} \\ so\colon \\ \cos (45)=\frac{b}{16} \end{gathered}$

Solve for b:

$\begin{gathered} b=16\cdot\cos (45) \\ b=8\sqrt[]{2} \end{gathered}$

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1 year ago

With a headwind, a plane traveled 390 mi in 1.5 h. Let x represent the plane’s speed (excluding wind speed) and let y represent

VMariaS [17]

The equation is ............... (it needed to be so many characters long)
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3 years ago

erika has 3 pieces of ribbon.each piece id 25 yards long.she needs to cut pieces that are 22 inches long.what is the greatest nu

OlgaM077 [116]

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3 years ago

I need help ASAP

GaryK [48]

Answer:

500

Step-by-step explanation:

Define listed price = C

Based on the term, to have the balance on both plan, the equation is 30+90%C = 80+80%C

30+0.9C=80+0.8C
0.1C=50
1C = 500

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3 years ago

A local movie theater is selling movie tickets for $5.25 during the first week of May. The regular price of a ticket is $6.75. W

Phantasy [73]

Answer:

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3 years ago