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diamong [38]
3 years ago
8

Nearpod Proportional Relationships

Mathematics
2 answers:
charle [14.2K]3 years ago
7 0
I’m not sure, that’s confusing!
Sauron [17]3 years ago
4 0
Since the cube has six sides multiple each problem on what is given. Ex:3*6, 5*3,ect
For the surface area u multiply that by two length time width
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I'm doing a math sheet as an assignment due tomorrow and I'm stuck
Dafna1 [17]
Hi, so if x=0 and if y=x+5 then you would simply add 5 to x to get y, so in this case y=5. Then if x=1, then y would be 1+5, y=6. With the second part, it's the same thing. If x=1 and y=2x+3, all you have to do is multiply 1 by 2 wich = 2, then you would add 3 to that, wich is 5. And if x=2 and y=2x+3, then you would multiply 2 by 2, wich is 4, then add 3 to that wich would be 7.I hope this helps, respond to this answer if you have any comments or questions ;D
7 0
3 years ago
Use the Addition Formula for Cosine to prove the Double-Angle Formula for Cosine. cos(2x) = cos2(x) − sin2(x) Rewrite 2x as x +
andre [41]

Answer with Step-by-step explanation:

We are given that

LHS

cos 2x

To prove that

cos 2x=cos^2x-sin^2 x

cos(x+x)

We know that

cos(x+y)=cos xcosy-sinx siny

Using the formula

cos(x+x)=cosx\cdot cosx-sinx\cdot sinx

cos2 x=cos^2 x-sin^2 x

By using

cosx\cdot cosx=cos^2 x

sinx\cdot sinx=sin^2 x

LHS=RHS

Hence, proved.

3 0
3 years ago
josh , James and John share sweets in ratio 1:2:4 . Josh has 9 sweets less than John . how many sweets does John have ?​
disa [49]

Answer:

12

Step-by-step explanation:

1:2:4

let josh=1x

james=2x

john=4x

josh has nine sweets less than john

4x-1x=9

3x=9

x=3

john's sweet=4x

4(3)=12

3 0
2 years ago
5. f(x) = 3x³ - 4x² +6x and g(x)=5x ³+ 2x²- 3x. What is f(x) - g(x)?
sasho [114]

Answer:

<h2>A. -2x³ - 6x² + 9x</h2>

Step-by-step explanation:

f(x)=3x^3-4x^2+6x\\\\g(x)=5x^3+2x^2-3x\\\\f(x)-g(x)=(3x^3-4x^2+6x)-(5x^3+2x^2-3x)\\\\=3x^3-4x^2+6x-5x^3-2x^2-(-3x)\qquad\text{combine like terms}\\\\=(3x^3-5x^3)+(-4x^2-2x^2)+(6x+3x)\\\\=-2x^3-6x^2+9x

8 0
3 years ago
In a bag of blue and yellow marbles, the ratio of blue marbles to yellow marbles is 3:5. if the bag contains 60 yellow marbles,
fiasKO [112]
Double the numbers by themselves for 5 times and you get the ration of blue to yellow balls of 96:60
4 0
3 years ago
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