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dalvyx [7]
3 years ago
12

Help on this. missed class today confused on this

Mathematics
1 answer:
Vanyuwa [196]3 years ago
4 0

Answer:

I am not sure about the first 4 but the rest are in the pic

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Y varies inversely with x and directly with square root of z.
quester [9]

Answer: Y = k√z

-----

x

Step-by-step explanation:

First statement

Y <> 1/x ----------------------- 1

Second statement

Y <> √z ----------------------- 2

Combine equation 1 & 2

Y <> √z/x -------------------- 3

Y = k√z

------

x

8 0
4 years ago
Please help me answer this question I’m very confused and I need help
Dmitrij [34]

Answer:

hi yes 5x2=312 plus 8 equals the fourth of 2

Step-by-step explanation:

8 0
3 years ago
Find the missing number in this proportion 63/21=9/?
puteri [66]

Answer:

let missing number be x

63/21=9/x

or. 63x=9*21

or 63x=189

or x=189/63

or x=3

. missing number of this proportion=3

8 0
3 years ago
The width of a rectangle is 6 centimeters less then the length . The preimeter is 64 centimeters find the width ?
Diano4ka-milaya [45]
<span>A)
2x+2(x-6)=64
4x-12=64
4x=76
x=19
x-6=13

B)
20+4x+x=180
5x=160
x=32 degrees
4x=128 degrees

C)
180-62.5=117.5 degrees</span>
3 0
4 years ago
A cylinder has a height of 11 inches and radius of 9 inches. Find the surface area of the cylinder in terms of π.
Ganezh [65]
\bf \textit{surface area of a cylinder}\\\\&#10;s=2\pi r(h+r)\quad &#10;\begin{cases}&#10;r=radius\\&#10;h=height\\&#10;------\\&#10;h=11\\&#10;r=9&#10;\end{cases}\implies s=2\pi (9)(11+9)&#10;\\\\\\&#10;s=18\pi (20)\implies s=360\pi
8 0
3 years ago
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