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nevsk [136]
3 years ago
5

Find its notation: (x +6, y + 3)

Mathematics
1 answer:
NemiM [27]3 years ago
3 0

Answer: i know the answer but i cant write it all on here

Step-by-step explanation:

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Select the two values of x that are roots of this equation.<br> x2 - 5x + 2 = 0
Margaret [11]

Answer:

C and D

{x}^{2}  - 5x + 2 = 0 \\ x =  \frac{5± \sqrt{17} }{2}

8 0
3 years ago
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The diagonal of a cube is 28 cm. Identify the length of an edge.
asambeis [7]
So the diagonal of cube
this was a practice act question so her's the answer

look at the cube through one of the faces
you will see the diagonal as the hypotonuse of  a triangle
and also a triangle on the floor (look at attachment)
the ,diagonal is 28
a^2+b^2=28^2
a=b since it is a cube
remember that this is a 45,45 triangle so therefor
a=b=x
c=x√2 so
28=x√2
divide both sides by √2
28/(√2)=x
the diagonal on the floor is 28/(√2)
the sides of the triangle form another 45 45 90 triangle with 28/(√2) as hyponuse so
a=b=x
c=x√2=28/(√2)
solve for x
x√2=28/(√2)
divide both sides by √2
same as mujlitply both sides by 1/(√2) so
28/(√2) times 1/(√2)=28/(2)=14
the answer of 1 diagonal is 14 cm
the answer is 14cm

4 0
3 years ago
Simplify. √ 240 10√ 24 2√ 30 6√40 4√15
Orlov [11]

240 = 16 * 15 = 4^2 * 15

So

√ 240 =  √(4^2 * 15) = 4√15

Answer

4√15

5 0
3 years ago
HOW TO DO THIS QUESTION PLEASE ​
Deffense [45]
Tot ratio=11
330/11=30
So Ed pay 7x30=210
Fay pays 4x30=120

For Ed to give Fay money so they r equal, he would need to give $45 so that they both are at 165.
3 0
3 years ago
What is the scale factor?
marissa [1.9K]

Answer:

3/5

Step-by-step explanation:

Scale factor = 9/15 = 3/5

4 0
2 years ago
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