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Ivahew [28]
3 years ago
9

Jonathan’sparents told him that for every 5 hours of homework or reading he completes, hewill be able to play 3 hours of video g

ames. His friend Lucas’s parents told their son that he can play 30 minutesfor every hour of homework or reading time he completes. If both boys spend the same amount of time onhomework and reading this week, which boy gets more time playing video gamesand how do you know?
Mathematics
1 answer:
Oksanka [162]3 years ago
7 0
Jonathan will be able to play for longer because for every 5 hours spent playing video games, he gets 3 hours of video games. If Luca gets to play 30 minutes per hour of homework, if you multiply 30 minutes by 5, he will only get 2.5 hours of playing video games.
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Write the quadratic equation in general form.<br><br> (x - 3) 2 = 0
garri49 [273]

Answer:

x² - 6x + 9 = 0

Step-by-step explanation:

Given

(x - 3)² = 0 ( expand left side using FOIL )

x² - 3x - 3x + 9 = 0 ( collect like terms )

x² - 6x + 9 = 0 ← in general form

5 0
3 years ago
HELP !!!! can someone help me please how can i use the vertex formula to find this equation for this graph ?
DedPeter [7]
Based on that table of values, we know the highest point(vertex) is at 0.9, 5.9

we can also use just one another point... say 1.4, 4.6

\bf \qquad \textit{parabola vertex form}\\\\&#10;\begin{array}{llll}&#10;y=a(x-{{ h}})^2+{{ k}}&#10;\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\&#10;-------------------------------\\\\

\bf \begin{cases}&#10;h=0.9\\&#10;k=5.9&#10;\end{cases}\implies y=a(x-0.9)^2+5.9&#10;\\\\\\&#10;\begin{cases}&#10;\textit{another point}\\&#10;x=1.4\\&#10;y=4.6&#10;\end{cases}\implies 4.6=a(1.4-0.9)^2+5.9&#10;\\\\\\&#10;4.6=a(0.5)^2+5.9\implies 4.6-5.9=a(0.5)^2\implies -1.3=a(0.5)^2&#10;\\\\\\&#10;\cfrac{-1.3}{0.5^2}=a\implies -5.2=a&#10;\\\\\\&#10;thus\qquad \qquad \boxed{y=-5.2(x-0.9)^2+5.9}
5 0
3 years ago
What is 2/3 divided by 1/2 ?<br><br> A. 3/4<br><br> B. 4/3<br><br> C. 1/3<br><br> D. 1/4
lesya692 [45]

Answer:

B. 4/3 is your answer dear.

Step-by-step explanation:

Solve

2/3 * 2/1

coz it is reciprocal .

you'll get 4/3

Hope you got it.

4 0
3 years ago
Find the perimeter of the rectangle whose: length = 1m, breadth = 75cm
Arte-miy333 [17]
  • Length of the rectangle = 1 m
  • Breadth of the rectangle = 75 cm = 0.75 m
  • We know, perimeter of a rectangle = 2(length + breadth)
  • Therefore, perimeter of the rectangle
  • = 2(1 + 0.75) m = 2(1.75) m = 3.5 m

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

<em><u>The </u></em><em><u>perimeter</u></em><em><u> </u></em><em><u>of </u></em><em><u>the </u></em><em><u>rectangle</u></em><em><u> </u></em><em><u>is </u></em><em><u>3</u></em><em><u>.</u></em><em><u>5</u></em><em><u> </u></em><em><u>m </u></em><em><u>or </u></em><em><u>3</u></em><em><u>5</u></em><em><u>0</u></em><em><u> </u></em><em><u>c</u></em><em><u>m.</u></em>

Hope you could get an idea from here.

Doubt clarification - use comment section.

4 0
2 years ago
Solve for x. Round to the nearest tenth of a degree, if necessary.
devlian [24]

Answer:

59

Step-by-step explanation:

do the adding up of all angles you will get a number greater than 59 and divide the number withh the amountt of angles there are which are 3 so divide the number by three and you will end up with 59 and thats the answer

5 0
4 years ago
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