3 years ago

Per ounce or 20 shells $9.27 for 48 oz. $4. 0.15 au shell

Mathematics

1 answer:

Vilka [71]3 years ago

6 0

My kinda stink bro right

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-7(n - 2) + 2n = -5(n + 6)

skad [1K]

Given the expression below

$-7(n-2)+2n=-5(n+6)$

To find n

Open the brackets

$\begin{gathered} -7(n-2)+2n=-5(n+6) \\ -7n+14+2n=-5n-30 \\ -7n+2n+14=-5n-30 \\ -5n+14=-5n-30 \end{gathered}$

Collect like terms

$\begin{gathered} -5n+14=-5n-30 \\ -5n-(-5n)=-30-14 \\ 0\ne-44 \end{gathered}$

Since, the sides are not equal,

Hence, there is no solution

7 0

1 year ago

Solve the equation 12+ 0.35×=20.05

lbvjy [14]

12 + 0.35X = 20.05
12 + 0.35X - 12 = 20.05 - 12
0.35X = 8.05
0.35X/0.35 = 8.05/0.35
X = 23
Hope this helps!!

8 0

3 years ago

HELP I NEED HELP FINDING THE AREA!!!!!!!!!!!!!!!!<br> (brainlyest)

g100num [7]

Answer:

27 units squared?

Step-by-step explanation:

I think it is 27, look at the Parallelogram bh formula, base times h equals area.

3 0

3 years ago

The area of a rectangle is 42 m2, and the length is

MrRissso [65]

Answer:

length = 14 m

width = 7 m

Step-by-step explanation:

l = length

w = width

l = 2w - 8

w(2w - 8) = 42

2w² - 8w - 42 = 0

you can factor out a 2 to work with smaller numbers:

w² - 4w - 21 = 0

(w - 7)(w + 3) = 0

w = 7

'w' cannot equal a negative so we discount it as an answer

find length:

l = 2(7) - 8

l = 14 - 8 or 6m

6 0

3 years ago

Write a quadratic equation to represent the situation. Solve the equation by factoring. Use the table and graphing method to che

Step2247 [10]

Answer:

Step-by-step explanation:

6 0

3 years ago