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Savatey [412]
3 years ago
10

Jing participates in a trivia contest. He completes each question in 1/2 minute.

Mathematics
1 answer:
jolli1 [7]3 years ago
7 0

Answer:

300 seconds

Step-by-step explanation:

First, you have to know how much half a minute is. Half a minute is 30 seconds.

Second, you multiply 30 by 10 because he answered 10 questions.

30 * 10 = 300

So your answer is  300 seconds

Lastly, have a great day! :)

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Find the x-intercept and the y-intercept of the graph of the equation.
andriy [413]

Answer:

<em>x</em><em> </em><em>=</em><em> </em><em>6</em>

Step-by-step explanation:

<em>To</em><em> </em><em>attain the</em><em> </em><em>x-intercepts</em><em> </em><em>you</em><em> </em><em>have</em><em> </em><em>to</em><em> </em><em>let</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>0</em><em>.</em>

<em>So</em><em> </em><em>in</em><em> </em><em>this</em><em> </em><em>case you will be</em><em> </em><em>having</em><em>:</em>

<em>4</em><em>x</em><em> </em><em>+</em><em> </em><em>2</em><em>(</em><em>0</em><em>)</em><em> </em><em>=</em><em> </em><em>2</em><em>4</em>

<em>4</em><em>x</em><em>/</em><em>4</em><em> </em><em>=</em><em> </em><em>2</em><em>4</em><em>/</em><em>4</em>

<em>x</em><em> </em><em>=</em><em> </em><em>6</em>

<em>Hopefully</em><em> </em><em>it</em><em> </em><em>makes sense</em><em>.</em>

<em>:</em><em>)</em>

6 0
3 years ago
Every 5 1/2 cups of flour weighs 1 9/16 pounds. use a unit rate to show how you could determine if there are more than or less t
slega [8]
So 5 and 1/2 cup flour =1 and 9/16
multiply both sides by 16
80 and 16/2 cups=16 and 9
88 cups=25 pounds
divide by 5
88/5=5 pounds
multiply by 2
176/5=10 pounds
176/5=35 and 1/5
35 and 1/5 cups=10 pounds

there is MORE than 35 cups of flour in a 10 pound bag
5 0
3 years ago
I’m on a timer PLZ HELP
MariettaO [177]

Answer:

answer is b

Step-by-step explanation:

8 0
3 years ago
What is the distance between (10, 6) and (-2, -3)
Helga [31]

Answer:

15 units.

Step-by-step explanation:

The distance between the points (x1, y1) and (x2, y2) is

√(x1-y1)^2 + (y1-y2)^2))

So here it is:

√(10- -2)^2 + (6- -3)^2)

= √(144+81)

=  √225

= 15.

4 0
4 years ago
Solve a, b, c, &amp; d please &amp; I will mark you as Brainliest.
laila [671]

Answer:

Step-by-step explanation:

a) -2x-3y=5\\-5x+3y=-40\\-7x=-35\\x=5, y=-5\\\\b)5x+6y=-14\\x-2y=10\\Considering\ equation\ 2,\\3(x-2y)=3(10)\\3x-6y=30\\Hence,\\5x+6y=-14\\3x-6y=30\\8x=16\\x=2, y=-4\\\\c) -3x+3y=21\\-x-5y=-17\\Considering\ equation\ 2,\\3(-x-5y)=3(-17)\\-3x-15y=-51\\Hence, subtracting\ both\ the\ equations\ we\ get,\\-3x+3y=21\\3x+15y=51\\18y=72\\y=4, x=-3

d) Let the cost of one group lesson be x and one private lesson be y

12x+2y=110\\10x+3y=125\\By\ multiplying\ the\ first\ equation\ with\ -1.5\ in\ this\ system\ we\ get,\\-1.5(12x+2y)=-1.5(110)\\-18x-3y=-165\\Hence,\ by\ adding\ both\ the\ equations\ we\ get,\\-18x-3y=-165\\10x+3y=125\\-8x=-40\\x=5,y=25

8 0
4 years ago
Read 2 more answers
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