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3 years ago

I need to know what 70% of 120 = ?

2 answers:

6 0

Question: 70% of 120 = ?

Work:

To find what 70% of 120 is. Do .70 times 120.

.70 x 120 = 84

Final Answer:

84

matrenka [14]3 years ago

4 0

120/x=100/70

(120/x)*x=(100/70)*x - we multiply both sides of the equation by x

120=1.42857142857*x - we divide both sides of the equation by (1.42857142857) to get x

120/1.42857142857=x

84=x
x=84

I hope this helps you and have a great rest of your day!! :)

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Witch value from the set {3,8,9,14} makes the euation true 2n-5=

lutik1710 [3]

The value from the set {3,8,9,14} makes the equation 2n - 5 = 11 true is n = 8

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Given the equation:

2n - 5 = 11

When n = 3:

2(3) - 5 = 1 ≠ 11

When n = 8:

2(8) - 5 = 11

When n = 9:

2(9) - 5 = 13

When n = 14:

2(14) - 5 = 23

The value from the set {3,8,9,14} makes the equation 2n - 5 = 11 true is n = 8

Find out more on equation at: brainly.com/question/2972832

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3 0

2 years ago

A bucket of paint has spilled on a tile floor. The paint flow can be expressed with the function p(t) = 6t, where t represents t

Neko [114]

Answer:

A) A[p(t)] = 36πt²

B) 7234.56 square units

Step-by-step explanation:

Given functions:

$\begin{cases}p(t)=6t \\ A(p)=\pi p^2 \end{cases}$

Part A

To find the area of the circle of spilled paint as a function of time, substitute the function p(t) into the given function A(p):

$\begin{aligned}A(p) & = \pi p^2\\\\ \implies A[p(t)] & = \pi [p(t)]^2\\& = \pi (6t)^2\\& = \pi 6^2 t^2\\& = 36\pi t^2\end{aligned}$

Part B

Given

t = 8 minutes
π = 3.14

Substitute the given values into the equation for A[p(t)} found in part A:

$\begin{aligned}A[p(8)] & = 36\pi t^2\\& = 36 \cdot 3.14 \cdot 8^2\\& = 36 \cdot 3.14 \cdot 64\\& = 113.04 \cdot 64\\& = 7234.56\:\: \sf square\:units\end{aligned}$

Therefore, the area of spilled paint after 8 minutes if 7234.56 square units.

4 0

2 years ago

Read 2 more answers

B) Amount Rs 5760, Interest Rs 1526

Crazy boy [7]

Given :

Amount, A = 5760 Rs.

Interest in the amount, I = 1526 Rs.

To Find :

We need to find the % rate of interest.

Solution :

Let, us assume it is simple interest.

So,

$Interest = \dfrac{price \times rate \times time}{100}\\\\1526 = \dfrac{5760 \times r \times m}{100}\\\\r = \dfrac{152600}{5760m}\\\\r = \dfrac{26.5}{m}$

Hence, this is the required solution.

6 0

3 years ago

(y2 + y)(3y^3 - 2y^3) = y2 (3y^3 - 2y^3) + y(3y3 - 2y^3) is an example of:

noname [10]

Answer:

D. Vertical Multiplication

Step-by-step explanation:

It would actually look like

3y^3 - 2y^3

× y^2 + y

3 0

2 years ago

What is the semimonthly salary when the weekly salary is $ 650.00?

mina [271]

weekly salary is 650$

the number of days in a week is 7.

7 days salary is 650$

one day salary is 650/7

the number of days in semi month is 30/2 = 15 days

so the salary of semi month is 15*650/7 = 1392.85 $

so the salary of semi month is 1392.85 $.

4 0

1 year ago