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3 years ago

I need it! urgent! pls someone help!

Mathematics

1 answer:

DanielleElmas [232]3 years ago

6 0

Option 4 is correct

The relationship is:

y = 3/4 x

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A pill has the shape of a cylinder with a hemisphere at each end. The height of the cylindrical portion is 12mm and the overall

Volgvan

Answer:

The volume of the pill is $V=452\ mm^{3}$

Step-by-step explanation:

Find the volume of the pill in cubic millimeters

we know that

The volume of the pill is equal to the volume of the cylinder plus the volume of a sphere (two hemisphere is equal to one sphere)

we have

$V=\frac{4}{3}\pi r^{3}+\pi r^{2}h$

$r= (18-12)/2=3\ mm\\ h=12\ mm$

assume

$\pi =3.14$

substitute

$V=\frac{4}{3}(3.14)(3)^{3}+(3.14)(3)^{2}(12)\\V=452\ mm^{3}$

8 0

3 years ago

Xavier rides his bike 5 1/4 miles or 82% of his goal for the day. What is his goal for the day?

Leno4ka [110]

Use ratio and proportion

5.25/x= 82/100
cross multiply
82 x= 525
x= 6.4 miles

Hope this helps

8 0

3 years ago

Please help its inequalities 2x < 6

Katyanochek1 [597]

$x < 3$
hope it helps

4 0

3 years ago

Let f(x)=x+a/x+b such that f(f(1)=0 & f(2)=-3 then a&b resctivily are.

Yuliya22 [10]

Answer:

The value of a = - 1 , And b = $\frac{ - 7 }{3}$

Step-by-step explanation:

Given as :

Function f(x) = $\frac{(x + a)}{(x + b)}$

And f(f(1)) = 0 And f(2) = - 3

Now For , x = 2 , y = - 3

I.e f(2) = $\frac{(2 + a)}{(2 + b)}$

or, - 3 = $\frac{(2 + a)}{(2 + b)}$

I.e 2 + a = - 6 - 3b

Or, a + 3b = - 8 ....... 1

Again f(f(1)) = 0

So, $\frac{(1 + a)}{(1 + b)}$ = 0

Or, 1 + a = 0

∴ a = - 1

So , put htis value of a i n eq 1 , we get value of b

So , - 1 + 3b = - 8

Or, 3b = - 7

∴ b = $\frac{ - 7 }{3}$

Hence The value of a = - 1 , And b = $\frac{ - 7 }{3}$ Answer

3 0

3 years ago

PLZ I NEED THIS QUICK, I WILL GIVE BRAINLSET FOR THE FASTEST AND CORRECT ANSWER

patriot [66]

Answer:

$95

Step-by-step explanation:

you had to subtract the two numbers .

4 0

3 years ago

Read 2 more answers