3 years ago

Kevin played a trivia game. Each correct answer is worth 21/3 points,

Mathematics

1 answer:

katrin [286]3 years ago

5 0

Answer:

Kevin's score was 100

Step-by-step explanation:

21/3 = 7

15 correct means 7 times 15 which is 105.

-1/3 for each incorrect. Multiply 15 by -1/3 gives us -5

105 points - 5 equals 100

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5 divided by 978 with remainder

grigory [225]

Hi!

978 can't go into 5 at all, so the answer is 0 R: 978

Hope this helps! :)

-Peredhel

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3 years ago

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According to Wine-Searcher, wine critics generally use a wine-scoring scale to communicate their opinions on the relative qualit

antiseptic1488 [7]

Answer:

$\=x=82$

Step-by-step explanation:

From the question we are told that:

Data

$\begin{center}\begin{tabular}{ |c|c|c|c|c|c| } 87& 91& 86& 82& 72&91 \\ 60& 77& 80& 79& 83&96 \end{tabular}\end{center}$

Generally the equation for Point estimate $\=x$ is mathematically given by

$\=x=\frac{\sum_x}{n}$

$\=x=\frac{87 +91+ 86+ 82 +72 +91+ 60+ 77 +80+ 79+ 83 +96}{12}$

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3 years ago

Every 1/2 hour Naomi s stretches her neck every 1/3 at work she stretches her legs and everyone 6 hour she stretches her arms wh

AlexFokin [52]

Naomi will stretche her neck2/3 of an hour

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3 years ago

Solve the system by substitution.<br> y=6x<br> y=3x+21<br> ( , )

Dimas [21]

Answer:

(7,42)

Step-by-step explanation:

Imput the 6x for the Y:

6x=3x+21

move the variable to the left

6x-3x=21

collect like terms:

3x=21

divide both sides by 3x and youll get this for X

x=7

Imput x=7 into the equation

Y=6x7

solve:

y=42

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3 years ago

Lee wanted to visit his grandmother who lives 1,400 air miles

77julia77 [94]

Answer:

Lee's flight would take 3.5 hours.

Step-by-step explanation:

1400 ÷ 400 = 3.5

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2 years ago