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Lena [83]
3 years ago
7

12 + 5 + 32 × 10 − 5 = (12 + 5) + 32 × (10 − 5) =

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
5 0

Answer:

12 + 5 + 32 × 10 - 5 = <u>485</u>

(12 + 5) + 32 × (10 − 5) = <u>245</u>

Step-by-step explanation:

First Equation:

12 + 5 = 17

17 + 32 = 49

49 × 10 = 490

490 - 5 + (485)

Second Equation:

12 + 5 = 17

10 - 5 = 5      (Note: Do the problems in the parenthesis from left to right)

17 + 32 = 49

49 × 5 = (245)

postnew [5]3 years ago
4 0

Answer:

1. 332

2. 177

Step-by-step explanation:

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Which is the inverse fuction of f(x)=4x
solniwko [45]

f(x)=4x


To find the inverse, first change f(x) to y:

y = 4x

Now switch the variables:

x = 4y

Solve for Y:

Divide both sides by 4:

y = x/4


Now replace y with the inverse function f^-1(x):


f^-1(x) = x/4



5 0
3 years ago
Rose bought a new hat when she was in vacation. If the hat cost $975 and the sales tax was 6%, how much did rose pay for the hat
Rufina [12.5K]

Hi!


To solve this, set up a proportion and cross multiply.


\frac{x}{975} \frac{6}{100}


975 x 6 = 5850

5850/100 = 58.5


58.5 + 975 = 1033.5


The answer is $1033.5


Hope this helps! :)

-Peredhel

5 0
3 years ago
Please help me with this
lisabon 2012 [21]

Answer:

Step-by-step explanation:

A is 1/4 of B

Volume of A = 1/4 of volume of B

= 1/4 × 64

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8 0
3 years ago
The compound periods multiplied by the number of years is 4t. The initial number of cars serviced is 920. The growth factor is r
Mrac [35]

The number of compounding per year isN = 920(1+0.03)^4t

<h3>How can the number of compounding per year be calculated?</h3>

This can be calculated by making use of the formular;  920(1.03)^4t and use the  compound interest equation which is N=P( 1+r/n)^nt

We know that 12% was given as the rate per year, then to get the quarter rate we divide by factor of 4, which is  12/4= 3%

The compounding for t years = n*t = 4t where n=4.

and the Initial number of cars serviced=920

Then we can substitute the values into the above equation, we have Thus N = 920(1+0.03)^4t

Learn more about compound interest at:

brainly.com/question/13023589

#SPJ1

CHECK THE COMPLETE QUESTION BELOW:

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. A car repair center services 920 cars in 2012. The number of cars serviced increases quarterly at a rate of 12% per year after 2012. Create an exponential expression to model the number of cars serviced after t years. Then, match each part of the exponential expression to what it represents in the context of the situation. 920(1.03) is the number of cars multiplied by 1.03. The quarterly rate of growth is 0.03 or 3%. The compound periods multiplied by the number of years is 4t. The initial number of cars serviced is 920. The growth factor is represented by 1.03. The growth rate is 1.03. Exponent arrowRight Base arrowRight Coefficient arrowRight Rate arrowRight

7 0
2 years ago
Solve the system by elimination<br> -2x+2y+3z=0, -2x-y+z=-3, 2x+3y+3z=5
alexira [117]

Answer:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

Point Form:

(1,1,0)Equation Form:x =1 ,y =1 ,z =0

Step-by-step explanation:

3 0
3 years ago
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