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Gwar [14]
3 years ago
7

1/2n+6=8 .. i need help with the check and solving?​

Mathematics
2 answers:
dlinn [17]3 years ago
8 0

Answer:

n=0.25

Step-by-step explanation:

We have to do the inverse to solve for n so first we look at the term +6 and we do 8-6=2 so we know 1/2n is 2. Then we do 1/2 which is 0.5 so we know the denominator is 0.5. After that, 2n=0.5 so n=0.25.

saw5 [17]3 years ago
5 0
Just subtract 6-6 and 8-6 then divide 1/2 by both sides
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Application 11. Dasha took out a loan of $500 in oeder to buy the # 1 selling book in the world, "Math, What is it Good For?" by
finlep [7]

Answer:

\boxed{\text{\$581.25; \$81.25}}

Step-by-step explanation:

The formula for the total accrued amount is

A = P(1 + rt)

Data:

P = $500

r = 6.5 % = 0.065

t = 30 mo

Calculations:

(a) Convert months to years

t = 30 mo × (1 yr/12 mo) = 2.5 yr

(b) Calculate the accrued amount

A = 500(1 + 0.065 × 2.5)

  = 500(1 + 0.1625)

  = 500 × 1.1625

  = 581.25

\text{Dasha will have to pay back }\boxed{\textbf{\$581.25}}

(c) Calculate the accumulated interest

\begin{array}{rcl}A & = & P + I\\581.25 & = & 500 + I\\I & = & 81.25\\\end{array}\\\text{The accumulated interest is }\boxed{\textbf{\$81.25}}

6 0
3 years ago
Algebra
nevsk [136]

Answer:

The equation is y = 3/5x - 6

Step-by-step explanation:

First we have to find the slope of the line. In order to do so, solve the first equation for y.

3x - 5y = 7

-5y = -3x + 7

y = 3/5x + 7/-5

This gives us a slope of 3/5. Given that information, we now can plug the slope and point into point-slope form and get the final equation.

y - y1 = m(x - x1)

y - -6 = 3/5(x - 0)

y + 6 = 3/5x

y = 3/5x - 6

3 0
3 years ago
Help pls help <br> It’s a grade
marysya [2.9K]

The first option is correct.

You could do all the math to compare the final answers, but I looked at the part where you add. Using a standard algorithm, when going on to the next digit in the second number, you always add a 0 first. The rest of those options don't include a 0.

8 0
2 years ago
A rectangle has a height of 4 and a width of x2 + 3x + 2.
otez555 [7]
<h3><u>Given</u>:</h3>
  • A rectangle has a height of 4 and a width of x² + 3x + 2.

<h3><u>To find</u>:</h3>
  • The area of the entire rectangle.

<h3><u>Solution</u>:</h3>

Hence, we know that area of rectangle is equals to the product of length and breadth.

Therefore, the area of rectangle is,

= 4 \times( {x}^{2}  +3x + 2 ) \\   = 4({x}^{2}  + 3x + 2) \\  =   \green{ \boxed{4 {x}^{2}  + 12x + 8}}

Therefore, the answer is 4x² + 12x + 8.

5 0
3 years ago
What is the sum of -6 4/5 and 6 4/5 ?
daser333 [38]

Answer:

0.

Step-by-step explanation:

-6 4/5 + 6 4/5 equals zero.

3 0
3 years ago
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