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Anton [14]
3 years ago
10

Bobbie wrote y+6=15then she wrote (y+6)divided by 3 =15 explain why the second equation is not equivalent to the first. What can

Bobbie do to make the two equations equivalent
Mathematics
1 answer:
nordsb [41]3 years ago
5 0

Answer:

bobbie can multiply (y+6) divided by 3 by 3

Step-by-step explanation:

if y=9 then (9+6) divided by 3 is 5 so she would have to re multiply it by 3 to get 15 again

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Please help me with this
mel-nik [20]
Attic Floor: 8 m x 10 m = 80 m²

Roof: 3.5 m x 5 m x 10 m = 175 m²

You need 255 square meters (m²) of wood to build the roof and floor of the attic. I hope this helps, have a good night. 

:)
6 0
3 years ago
Determine x in the figure.<br> 74°<br> 2xº
Monica [59]

Answer:

-37

Step-by-step explanation:

Simplifying

74 + 2x = 0

Solving

74 + 2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-74' to each side of the equation.

74 + -74 + 2x = 0 + -74

Combine like terms: 74 + -74 = 0

0 + 2x = 0 + -74

2x = 0 + -74

Combine like terms: 0 + -74 = -74

2x = -74

Divide each side by '2'.

x = -37

Simplifying

x = -37

6 0
3 years ago
$ 20,000 is invested at a rate of 5% compounded quarterly. Identify the compound interest function ta model the situation. Then
liq [111]

Answer:

the balance after 5 years is: 26540.744

Step-by-step explanation:

Given the information:

  • P = initial balance  = $ 20,000
  • r = interest rate (decimal)  = 5% = 0.05
  • n = number of times compounded annually  = 4
  • t = time  = 5

We have the compound interest function ta model the situation is:

A=P(1+\frac{r}{n} )^{nt}

<=> A = 20000(1+\frac{0.05}{4} )^{4*5}

<=> A = $26540.744

Hence, the balance after 5 years is: $26540.744

7 0
3 years ago
1. slope 5, though (3.13)<br> Use the given information to find the equation of the line
Marat540 [252]

Answer:

y= 5x -2 or y-13 = 5 (x-3)

Step-by-step explanation:

The first one is slope-intercept form, the second is point-slope form

3 0
4 years ago
How do you do solve this problem
Damm [24]

Answer:

<h2>186 : 1</h2>

Step-by-step explanation:

1cm = 10mm

Therefore 8cm = 8 · 10mm = 80mm

The scale of the model

\dfrac{model}{real}\to\dfrac{80}{0.43}=\dfrac{80\cdot100}{0.43\cdot100}=\dfrac{8000}{43}\approx186

8 0
3 years ago
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