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insens350 [35]
2 years ago
6

What is 220086*567890

Mathematics
1 answer:
charle [14.2K]2 years ago
8 0

Answer:

124984638540

Step-by-step explanation:

just use a calculator

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Sep 08, 2:59:48 PM
Anuta_ua [19.1K]

Answer:

5c + 1.3d - 6.3

Step-by-step explanation:

5c-(-1.3d-6.3)\\\\\boxed{5c+1.3d-6.3}\\\\\left \{ {{-1*-1.3d=1.3d} \atop {-1*6.3=-6.3}} \right.

Hope this helps.

8 0
3 years ago
What is the area of the sector bound by the center of the circle and arc CD in the circle below? Radius is 6 ft and central angl
ArbitrLikvidat [17]

The answer is 9.42 for the ones wondernig what it was! I calculated it and took the exam and it was correct.

8 0
3 years ago
Hellohello, if you able to help me then please do. (:
timurjin [86]

Answer:

g=12

Step-by-step explanation:

3 + g = 15

g = 15-3

g = 12

5 0
2 years ago
Read 2 more answers
What is the value of k in the equation 4/9(k+4/7)=3 1/3 ?
Arada [10]
The equation given in the question has one unknown variable and so the value of k can definitely be found.
4/9(k + 4/7) = 3 1/3
4/9[(7k + 4)] = 10/3
4/(63k + 36) = 10/3
4 * 3 = 10 * (63k + 36)
12 = 630k + 360
12 - 360 = 630k
- 348 = 630k
Reversing both sides we get
630k = - 348
k = - 348/630
  = - 174/315
  = - 58/105
So the value of K comes out to be - 58/105 and it is not possible to simplify it further.
8 0
3 years ago
Read 2 more answers
An insurance company works with two auto repair shops and wants to compare their prices. Company officials randomly select 12 da
Grace [21]

Answer:

C) H0:μd=0 and Ha:μd≠ 0

Null hypothesis: \mu_d = 0

Alternative hypothesis: \mu_d \neq 0

Step-by-step explanation:

A paired t-test is used to compare two population means where you have two samples in  which observations in one sample can be paired with observations in the other sample. For example  if we have Before-and-after observations (This problem) we can use it.  

Let put some notation  

x=value for the first shop , y = value for the second shop

The system of hypothesis for this case are:

Null hypothesis: \mu_y- \mu_x = 0

Alternative hypothesis: \mu_y -\mu_x \neq 0

Or equivalently :

Null hypothesis: \mu_d = 0

Alternative hypothesis: \mu_d \neq 0

Since we define the difference d_i=y_i-x_i and we obtain this:

The second step is calculate the mean difference  

\bar d= \frac{\sum_{i=1}^n d_i}{n}

The third step would be calculate the standard deviation for the differences, and we got:

s_d =\frac{\sum_{i=1}^n (d_i -\bar d)^2}{n-1}

The 4 step is calculate the statistic given by :

t=\frac{\bar d -0}{\frac{s_d}{\sqrt{n}}}=t_{calculated}

The next step is calculate the degrees of freedom given by:

df=n-1=12-1=11

Now we can calculate the p value, since we have a two tailed test the p value is given by:

p_v =2*P(t_{(11)}>|t_{calculated}|)

C) H0:μd=0 and Ha:μd≠ 0

5 0
3 years ago
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