3 years ago

Natalie found a tennis ball outside a tennis court.

Mathematics

2 answers:

slava [35]3 years ago

8 0

Gabby and gabby dropped off my phone and gabby dropped off my phone and gabby dropped off

KatRina [158]3 years ago

4 0

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5 cm<br> 7 cm<br> 15 cm<br> What is th5 surface area of the figure?<br> _square centimeters

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The answer is 5 cm because

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3 years ago

Circle M is shown below. AB is tangent to the circle at point A. The radius of a circle M is 15. JB = 10. DF = 18. AC = 10.

e-lub [12.9K]

Answer:

Step-by-step explanation:

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3 years ago

Decribe how the graph of g(x)= 3/x-4+5 is a translation of g(x)=3/x

ruslelena [56]

-4 next to x value means the graph is moved 4 units to the right
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3 years ago

For what value of k are the roots of the quadratic equation kx (x-2)+6=0 equal?

ser-zykov [4K]

Answer:

$\boxed{\sf k=6}$

Step-by-step explanation:

$\sf kx (x-2)+6=0$

Expand brackets.

$\sf kx^2 -2kx+6=0$

This is in quadratic form.

$\sf ax^2 +bx+c=0$

Since this is for equal roots:

$\sf b^2 -4ac=0$

$\sf a=k\\b=-2k\\c=6$

$\sf (-2k)^2 -4(k)(6)=0$

$\sf 4k^2-24k=0$

$\sf 4k(k-6)=0$

$\sf 4k=0\\k=0$

$\sf k-6=0\\k=6$

Plug k as 0 to check.

$\sf \sf 0x^2 -2(0)x+6=0\\6=0$

False.

So that means k must equal 6.

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3 years ago

The table shows the ages and weights of babies at a hospital.

zzz [600]

I believe the answer is B) positive

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3 years ago

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