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Leviafan [203]
3 years ago
11

The ratio of Ethan's football-playing time to Alex's football-playing time per day is 0.6: 2.5, and Alex plays football for 75 m

inutes per day. How many minutes does Ethan play football for each day?
Mathematics
1 answer:
mariarad [96]3 years ago
4 0

Answer:

Ethan plays football 18 minutes each day

Step-by-step explanation:

0.6 : 2.5

75/2.5=30

?/0.6=?

0.6 times 30 since you need then to be proportional

=18 minutes each day for ethan

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2 points
Yuki888 [10]

Answer:

210 cm2

Step-by-step explanation:

6 0
3 years ago
9. A ladder of length 23 feet leans against the side of a building. The angle of elevation of the ladder is 76. Find the distanc
irakobra [83]

<h3><u>Answer:</u></h3>

  • B) 22.32 feet

\quad\rule{300pt}{1pt}

<h3><u>Solution</u><u>:</u></h3>

we are given that , a ladder is placed against a side of building , which forms a right angled triangle . We wre given one side of a right angled triangle ( hypotenuse ) as 23 feet and the angle of elevation as 76 ° . We can find the Perpendicular distance from the top of the ladder go to the ground by using the trigonometric identity:

\qquad\quad\bull ~{\boxed{\bf{ Sin\theta =\dfrac{Perpendicular}{Hypotenuse}}} }~\bull

Here,

  • hypotenuse = 23 feet
  • \theta = 76°
  • Value of Sin\theta = 0.97
  • Perpendicular = ?

\quad\dashrightarrow\quad \sf { sin\theta =\dfrac{P}{H}}

\quad\dashrightarrow\quad \sf { sin76° =\dfrac{P}{23}}

\quad\dashrightarrow\quad \sf { 0.97=\dfrac{P}{23}}

\quad\dashrightarrow\quad \sf {P = 0.97 \times 23 }

\quad\dashrightarrow\quad \sf { P = 22.32}

‎ㅤ‎ㅤ‎ㅤ~<u>H</u><u>e</u><u>n</u><u>c</u><u>e</u><u>,</u><u> </u><u>the </u><u>distance </u><u>from </u><u>the </u><u>top </u><u>of </u><u>the </u><u>ladder </u><u>to </u><u>the </u><u>ground </u><u>is </u><u>2</u><u>2</u><u>.</u><u>3</u><u>2</u><u> </u><u>feet </u><u>!</u>

\rule{300pt}{2pt}

4 0
2 years ago
Graphs of more than one function f(4)=<br> If g(x)=2,x=
Mamont248 [21]

Answer:

f(4)= 11

If g(x)=2, x=0

5 0
3 years ago
Write an algebraic expression for each verbal expression. Then simplify, indicating the properties used. 4 times the difference
MissTica
4(f ^2-g)+f^2+2g is your answer
6 0
3 years ago
What is the unit rate for 644.8 ft in 31 s?<br><br><br> Enter your answer, as a decimal, in the box
pychu [463]
That would be 644.8 / 31 = 20.8 feet / second
7 0
3 years ago
Read 2 more answers
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