Katrina and Amanda are studying the same class. On Monday, Katrina solved 35 math problems and Amanda solved 21 math problems. On Wednesday Katrina solved 16 math problems and Amanda solved 20 math problems. On Thursday, Katrina solved 40 math problems and Amanda solved 24 math problems. On Saturday, Katrina solved 18 math problems and Amanda solved 24 math problems. On which day did Katrina and Amanda have the same ratio of problems as Monday?
Answers
Answer 1
Answer:
Answer:
Step-by-step explanation:
Saturday
Answer 2
Answer:
Answer:Monday
Step-by-step explanation:..........
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Tanisha is graphing the function f(x) = 25(3/5)^x. She begins by plotting the point (1, 15). Which could be the next point she plots on the graph?(2, 9) (2, –10) (2, 14 2/5) (2, 5)
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Answers
You can first find the missing factors of each number to find the lcm
So
and 
In order to make them equal, Multiply 15 by 5 and 25 by 3 so that both of them are
which equals 75.
After that you can just multiply each by 2, 3, 4, and 5 because all the other common multiples are multiples of 75. You get
150, 225, 300, 375, as well as 75
So:
75
150
225
300
375
So
In order to make them equal, Multiply 15 by 5 and 25 by 3 so that both of them are
After that you can just multiply each by 2, 3, 4, and 5 because all the other common multiples are multiples of 75. You get
150, 225, 300, 375, as well as 75
So:
75
150
225
300
375
15 = 15,30,45,60,75,90,105,120,135,150,165,180,195,210,225,240, 255, 270,285,300,315,330,345,360,375
25 = 25,50,75,100,125,150,175,200,225,250,275,300,325,350,375
The first 5 common multiples of 15 and 25 are 75, 150, 225, 300, and 375.
25 = 25,50,75,100,125,150,175,200,225,250,275,300,325,350,375
The first 5 common multiples of 15 and 25 are 75, 150, 225, 300, and 375.
Answers
Use the Pythagoras therom.
let the diagonal be x
⇒54²+72²=x²
⇒8100=x²
x=90meters
let the diagonal be x
⇒54²+72²=x²
⇒8100=x²
x=90meters
let the diagonal be a.
now, as we know that each angle in a rectangle is right angle.
thus we have a right angled triangle.
now, we can apply pythagoras theorum.
a^2 = 54^2 + 72^2
= 2916 + 5184
=8100
thus, a^2 = 8100
thus, a = 90.
Thus the diagonal is 90metres.
now, as we know that each angle in a rectangle is right angle.
thus we have a right angled triangle.
now, we can apply pythagoras theorum.
a^2 = 54^2 + 72^2
= 2916 + 5184
=8100
thus, a^2 = 8100
thus, a = 90.
Thus the diagonal is 90metres.
Answers
in grams, 1.3kg is 1300 g so 1300 - 700 = 600g
1300-700=600 therefore is is really 600 grams more.
the answer is 600 grams.
i hope that this helps you.
the answer is 600 grams.
i hope that this helps you.
Answers
It would be 7.9 because 7 is above 5 and therefore rounds up
B. 2.5/3=3/4;3
C. 2.5/3=5/3;6
D. 2.5/3=5/4;3
Answers
y varies inversely as x:
y=C/x
C: Constant
Cross multiplication
yx=C
x=5 when y=3
Replacing in the equation above:
(3)(5)=C
when x=2 1/2=2+0.5→x=2.5, y=?
xy=C
(2.5)(y)=C
Equaling the two equations:
C=C
(2.5)(y)=(3)(5)
2.5/3=5/y
Solving for y. Dividing both sides of the equation by 2.5:
(2.5)(y)/(2.5)=(3)(5)/(2.5)
y=6
Answer:
2.5/3=5/6
y=C/x
C: Constant
Cross multiplication
yx=C
x=5 when y=3
Replacing in the equation above:
(3)(5)=C
when x=2 1/2=2+0.5→x=2.5, y=?
xy=C
(2.5)(y)=C
Equaling the two equations:
C=C
(2.5)(y)=(3)(5)
2.5/3=5/y
Solving for y. Dividing both sides of the equation by 2.5:
(2.5)(y)/(2.5)=(3)(5)/(2.5)
y=6
Answer:
2.5/3=5/6
Which statement is true about the solution to the set of equations? (5 points)
There are infinitely many solutions.
There are two solutions.
There is one solution.
There is no solution.
Answers
If you would like to know which statement is true about the solution to the set of equations, you can calculate this using the following steps:
x + y = 2 ... y = 2 - x
2x + y = 4
_________________
2x + (2 - x) = 4
2x - x = 4 - 2
x = 2
y = 2 - x = 2 - 2 = 0
(x, y) = (2, 0)
The correct result would be: There is one solution.
x + y = 2 ... y = 2 - x
2x + y = 4
_________________
2x + (2 - x) = 4
2x - x = 4 - 2
x = 2
y = 2 - x = 2 - 2 = 0
(x, y) = (2, 0)
The correct result would be: There is one solution.
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