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agasfer [191]
3 years ago
14

2) -8 + 8n + 13 – 6n = 29

Mathematics
2 answers:
Alexxx [7]3 years ago
7 0
Combine like terms so it’s 2n+5=29
Subtract the 5
2n=24 so n=12
lys-0071 [83]3 years ago
6 0
Let’s go!

You combine like terms then complete the multi step equation.

So you would get 5+2n=29

So that equals 17 :)
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Find the area of the surface obtained by rotating the curve y x2 0 ≤ x ≤ 2 about the y axis
Rudiy27

<span>ds=<span>√<span>1+<span><span>(<span><span>dy</span><span>dx</span></span>)</span>2</span></span></span><span>dx</span>=<span>√<span>1+<span>14</span><span>(<span>x4</span>−2+<span>1<span>x4</span></span>)</span></span></span><span>dx</span></span>

<span>=<span>√<span><span>14</span><span>(<span>x4</span>+2+<span>1<span>x4</span></span>)</span></span></span><span>dx</span>=<span>√<span><span>1<span>22</span></span><span><span>(<span>x2</span>+<span>1<span>x2</span></span>)</span>2</span></span></span><span>dx</span></span>

<span>=<span>12</span><span>(<span>x2</span>+<span>1<span>x2</span></span>)</span><span>d<span>x</span></span></span>

4 0
4 years ago
Find the median of each set of data<br> 12,8,6,4,10,1<br> 6,3,5,11,2,9,5,0<br> 30,16,49,25
ICE Princess25 [194]

Answer:

11

Step-by-step explanation:

The median is the number in the middle :)

8 0
4 years ago
Home Videos Inc. surveys 450 households and finds that the mean amount spent for renting or buying videos is P135 a month and th
adell [148]

SOLUTION:

Case: Hypothesis testing

Step 1: Null and Alternative hypotheses

\begin{gathered} H_0:\mu=P127.50 \\ H_1:\mu\leq P127.50 \end{gathered}

Step 2: T-test analysis

\begin{gathered} t=\frac{\hat{x}-\mu}{\frac{s}{\sqrt{n}}} \\ t=\frac{135-127.5}{\frac{75.25}{\sqrt{450}}} \\ t=2.144 \end{gathered}

Step 3: t-test with the significance level

\begin{gathered} t_{\alpha}=? \\ \alpha=0.05 \\ From\text{ }tables \\ t_{0.05}=1.654 \end{gathered}

Step 4: Comparing

t>t_{\alpha}

So tail to reject the null hypothesis. There is enough evidence at a 0.05 level of significance to claim that the mean spent is greater than P127.50.

Final answer:

Yes, there is evidence sufficient to conclude that the mean amount spent is greater than P127.50 per month at a 0.05 level of significance.

6 0
1 year ago
2. Irene wants to list the factors for 88. She
Rom4ik [11]

Answer:

YES BUT NO BECAUSE WHERE DOES THE 11 COME FROM THATS WHAT I DONT GET? I DONT UNDERSTAND!!

Step-by-step explanation:

7 0
4 years ago
How much will be the amount after 29 years to the nearest cent
babymother [125]
P= 7800
R= 6.5
T=29

Interest = 7800 x .065 x 29
Interest = 14,703

14,703 + 7800 = 22,503.00
7 0
3 years ago
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