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2 years ago

Helppp and explain than you

Mathematics

2 answers:

ss7ja [257]2 years ago

5 0

9514 1404 393

Answer:

x = 2
(-5, 4, 6)

Step-by-step explanation:

1. Substitution can work for this.

2x +3(4x -5) = 13

14x = 28 . . . . . add 15

x = 2 . . . . . . . divide by 14

2. The equation z=6 eliminates all but the 1st and 3rd choices. Using that value in the first equation gives ...

x + y + 6 = 5

x + y = -1

Only the 3rd choice satisfies this equation.

(x, y, z) = (-5, 4, 6)

Radda [10]2 years ago

3 0

Answer:

1) x = 2

Step-by-step explanation:

Hope it helps. I'll try to solve the second one too

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olga2289 [7]

Answer:

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Step-by-step explanation

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2 years ago

Susan took out a personal loan for $3,500 at an interest rate of 13% compounded monthly. she made arrangements to pay the loan o

Nadya [2.5K]

Susan's monthly payment will be $117.93.

We have Susan take out a personal loan for $3,500 at an interest rate of 13% compounded monthly.

P=3500

r=30%

t=3

<h3>What is the amortization formula?</h3>

$A = \frac{P(\frac{r}{12} )}{(1 -(1 +r/12)^{(-12t)}}$

Where A is the payment,

P= principal,

r =the annual interest rate

t is the number of years.

use the given value in the formula we get

$A = \frac{3500(0.13/12)}{(1 -(1 +0.13/12)^{-36} }$

A=117.9288

A= 117.93

Susan's monthly payment will be $117.93.

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5 0

1 year ago

Evaluate.

Temka [501]

9514 1404 393

Answer:

-7/48

Step-by-step explanation:

Put the numbers in place of the corresponding variables and do the arithmetic.

$\dfrac{-\left|1\dfrac{7}{8}+(-1)\right|}{2-(-4)}=\dfrac{-\dfrac{7}{8}}{6}=-\dfrac{7}{8\cdot6}=\boxed{-\dfrac{7}{48}}$

8 0

2 years ago

Can You Find The Square Root Of 8,569

Agata [3.3K]

92.57 is the square root

5 0

3 years ago

The scale of a room in blueprint is 3in 5ft. A wall in the same blueprint is 18in. what are the actual room measurements?

QveST [7]

Answer:

Actual length of wall = 30ft

Step-by-step explanation:

We have scale of a room as 3 inch for 5ft.

We can write scaling factor as:

Scaling factor = 3 /60 (Since 5ft = 60 inches )

Scaling factor = 1/20

Now,

a wall in the blueprint is 18inch.

So actual length of wall can be determined by dividing 18 inch by the scale factor.

i.e actual length of wall = 18 / scale factor = 18 / (1/20)

actual length of wall = 18* 20 = 360 inch = 30ft (Since 360 inch = 30ft)

Hence Actual length of wall = 30ft

5 0

3 years ago