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WINSTONCH [101]
3 years ago
12

The equation 8(y-3)= -40 is solved in several steps below. For each step, choose the reason that best justifies it.

Mathematics
1 answer:
kramer3 years ago
5 0

Answer:

Step-by-step explanation:

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-px+r=-8x-2<br> Solve for x
lions [1.4K]

So firstly, add px onto both sides of the equation: r=-8x+px-2

Next, add 2 to both sides of the equation: r+2=-8x+px

Next, factor out -x on the right side of the equation: r+2=-x(8-p)

Next, divide both sides by (8 - p): \frac{r+2}{8-p}=-x

Lastly, multiply both sides by -1 and <u>your answer will be -\frac{r+2}{8-p}=x</u>

4 0
3 years ago
A pyramid has a base with a demension 5 inches by 7 inches .The height of the pyramid is unknown .If the volume of the pyramid i
Ulleksa [173]

Answer:

9 inches

Step-by-step explanation:

The volume of a pyramid is given as:

V = \frac{l* w*h}{3}

where l = length of base of pyramid

w = width of base of pyramid

h = height of pyramid

The volume of the cylinder is already known ( 105 in^3 ) and the other two dimensions are known as 5 in and 7 in.

From the formula of the volume of the pyramid, the height of the pyramid is given as:

h = \frac{3V}{l*h}

Hence, the height of the pyramid is:

h = \frac{3 * 105}{5 * 7}\\ \\h = \frac{315}{35} = 9in

The pyramid's height is 9 inches.

7 0
3 years ago
Read 2 more answers
Please help<br> Write 0.16 as a fraction. <br> A) 1/12 <br> B) 1/3 <br> C) 1/6 <br> D) 1/9
umka2103 [35]

0.16 as a fraction becomes 16/100. This can be simplified to 4/25.

None of those are the right answer, though 1/6 as a decimal is 0.16666666... (the 6s repeat forever) so option C is what they're looking for.

5 0
3 years ago
Read 2 more answers
Tables of Ratios: Mastery Test
zzz [600]

Answer: Distance(Miles)

140,420,560

Time(Hours)

5,10

3 0
3 years ago
If anyone has a graphing calculator with them and can help me do these two problems<br> Algebra 1
katrin2010 [14]

Answer:

3a) y = -0.1x +26000

3b) $16500

4a) y = 8.2x - 16451.27

4b) 79.93

Step-by-step explanation:

3a) y = -0.1x +26000

3b) If the odometer reads 95000 we need to plug in that value for x: y = -0.1(95000) + 26000 = $16500

4a) y = 8.2x - 16451.27

4b) To estimate the number the rabbits in the year 2016, we need to plug in that value for x: y = 8.2(2016) - 16451.27 = 79.93 = 80 rabbits

5 0
3 years ago
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