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3 years ago

I need help ASAP!!!!!!!!!!!!

Mathematics

1 answer:

Papessa [141]3 years ago

5 0

Answer:

4.6 inches

Step-by-step explanation:

3 inches + 160% = 4.6 inches :)

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The variable x varies directly as the cube of y, and y varies directly as the square root of z. If x equals 1 when z equals 4, w

Aloiza [94]

Answer:

Step-by-step explanation:

According to the question,

$x$ ∝ $y^3$ .......(1)

$y$ ∝ $\sqrt{z}$ .......(2)

From equation 1,2 let constant of proportionality be $k1,k2$ respectively.

⇒ $x=k1(y^3)$ .......(3)

⇒ $y=k2(\sqrt{z} )$ .......(4)

From the above equations putting 4 into 3,

$x=k1((k2\sqrt{z})^3) =k1.k2^3.(\sqrt{z})^3$

Let the new constant to the above equation be $k3$ ,

$x=k3(\sqrt{z})^3$

Given,if x=1, when z=4

$1=k3(\sqrt{4} )^3=k3(8)$

⇒ $k3=\frac{1}{8}$

Now if x=27, then z=?

$27=\frac{1}{8} (\sqrt{z} )^3$

⇒ $(\sqrt{z} )^3=27(8)$

⇒ $\sqrt{z}=3(2)=6$

$z=36$

4 0

3 years ago

What is 3(4x+5)+2. Show your work.

Luden [163]

Follow PEMDAS:

First, distribute 3 to all terms within the parenthesis

3(4x) = 12x

3(5) = 15

12x + 15 + 2

Simplify. Combine like terms

12x + (15 + 2)

12x + 17

12x + 17 is your answer

hope this helps

8 0

3 years ago

Read 2 more answers

Plz plz plz help I will cry if u help this is the last question plz help

vaieri [72.5K]

Answer:

$\frac{2}{3}$

Step-by-step explanation:

8 0

3 years ago

Stacy and Travis are rock climbing. Stacy's rope is 4 feet shorter than 3 times the length of Travis' rope. Stacy's rope is 23 f

Gnesinka [82]

Lets say travi's rope is T feet long
and Stacy's rope is 23 feet long
3T-4=23
3T=23+4
3T=27
T=9 feet long
so Travis rope is 9 feet long

4 0

3 years ago

A salesperson works 40 hours per week at a job where

belka [17]

Answer:

12,000 in sales

Step-by-step explanation:

$24/hour x 40 hours=960 salary

sales x commission rate =salary

sales x .08=960

sales =960/.08

sales=12,000

8 0

3 years ago