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MrRissso [65]
3 years ago
9

In a staring contest from a group of 20 contestants, 7 will be chosen as finalists. How many groups of finals can be created

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
7 0

Answer:

wait how many in one group? one?

Step-by-step explanation:

Nady [450]3 years ago
6 0

Answer:

2

Step-by-step explanation

2*7=14

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Kelly gets a Sonic drink everyday. If she uses her app she gets the drinks for 1/2
Firlakuza [10]

Answer:

6.58

Step-by-step explanation:

divide 1.88 by 2 to get .94 because he gets her drinks half off. Next, multiply by 7 because there are seven days in a week. she will spend 6.58 a week on drinks.

5 0
3 years ago
Read 2 more answers
A rectangular piece of tin has an area of 1056 square inches. A square of 3 inches is cut from each corner, and an open box is m
kvv77 [185]

Answer:

44 inches and 24 inches

Step-by-step explanation:

Let l,b denotes length and breadth of a rectangle.

lb=1056

A square of 3 inches is cut from each corner, and an open box is made by turning up the ends and sides.

New length =l-6 inches

New breadth =b-6 inches

Height of box =3 inches

Volume of box = length × breadth × height

(l-6)(b-6)3=2052

lb-6l-6b+36=684\\6(l+b)=408\\l+b=68\\b=68-l

Put b=68-l in lb=1056

l(68-l)=1056\\l^2-68l+1056=0\\l^2-44l-24l+1056=0\\l(l-44)-24(l-44)=0\\(l-24)(l-44)=0\\l=24,44

At l=24,b=\frac{1056}{24}=44 inches

At l=44,b=\frac{1056}{44}=24 inches

8 0
3 years ago
Please help me answer this!!!
Sedaia [141]

Answer:

the process of being a differential is that the process of moving to the different people in a very good process of being the speaker of speaker and the senate speaker and the author organizes a different speech to the topic and i  

Step-by-step explanation:

the process is important as the speaker of speaker is the process of speech to a speech in speech speech and speech in speech and speech

7 0
3 years ago
In the right triangle below, tanA = 0.45. What is the approximate length of AB?
kodGreya [7K]

Answer with Step-by-step explanation:

We are given that:

tanA = 0.45

tanA= \dfrac{Perpendicular}{Base}

      =  \dfrac{BC}{AC}

⇒  \dfrac{BC}{AC}=0.45

⇒  \dfrac{9}{AC}=\dfrac{45}{100}

⇒  \dfrac{9}{AC}=\dfrac{9}{20}

⇒  AC= 20

Hence, by pythagoras theorem

AB²=AC²+BC²

AB²=20²+9²

AB²=481

⇒  AB=21.9 units

Hence,  the approximate length of AB is:

22 units

7 0
3 years ago
Read 2 more answers
a quantity, t, varies inversely with a quantity, r. if t=6, then r=5 what is the constant of variation
Kamila [148]

Answer:constant of variation = 6/5

Step-by-step explanation:

t varies inversely as r

Let k be the constant of variation

t = k/r

t = 6 and r = 5

Substitute the value of t and r

6 = k/5

Make k the subject of the formula

k = 6/5

7 0
3 years ago
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