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riadik2000 [5.3K]
3 years ago
6

What is 3425 x 10^-2 ?

Mathematics
2 answers:
Inessa05 [86]3 years ago
8 0
<span>3425 x 10^-2 =
34.25
maybe</span>
cricket20 [7]3 years ago
3 0
The answer is 34.25
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(+41)x(+16)<br> pleasderr
larisa [96]

Answer:

656

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3 years ago
What is the quotient (x3 + 3x2 + 5x + 3) ÷ (x + 1)?
Sergeeva-Olga [200]
X^3 +3x^2 +5x +3 / x+1 = x^2 +2x +3
x^3 +x^2
------------
 0   2x^2 +5x
      2x^2 +2x
   ----------------
        0      3x +3
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               ---------
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so the 3rd choice is right sure 
5 0
3 years ago
Read 2 more answers
Body armor provides critical protection for law enforcement personnel, but it does affect balance and mobility. The article "Imp
yKpoI14uk [10]

Answer:

No, there is not enough evidence to support the claim that true average task time with armor is less than 2 seconds.

Step-by-step explanation:

This is a hypothesis test for the population mean.

The claim is that true average task time with armor is less than 2 seconds.

Then, the null and alternative hypothesis are:

H_0: \mu=2\\\\H_a:\mu< 2

The significance level is 0.01.

The sample has a size n=52.

The sample mean is M=1.95.

As the standard deviation of the population is not known, we estimate it with the sample standard deviation, that has a value of s=0.2.

The estimated standard error of the mean is computed using the formula:

s_M=\dfrac{s}{\sqrt{n}}=\dfrac{0.2}{\sqrt{52}}=0.028

Then, we can calculate the t-statistic as:

t=\dfrac{M-\mu}{s/\sqrt{n}}=\dfrac{1.95-2}{0.028}=\dfrac{-0.05}{0.028}=-1.803

The degrees of freedom for this sample size are:

df=n-1=52-1=51

This test is a left-tailed test, with 51 degrees of freedom and t=-1.803, so the P-value for this test is calculated as (using a t-table):

P-value=P(t

As the P-value (0.039) is bigger than the significance level (0.01), the effect is not significant.

The null hypothesis failed to be rejected.

There is not enough evidence to support the claim that true average task time with armor is less than 2 seconds.

3 0
3 years ago
What is the relative frequency of students speaking spanish?​
borishaifa [10]

Answer:

Step-by-step explanation:

add all of them up,  Julie,   6 + 12 + 3 + 4 = 25  

there are 25 total students.  now divide each of the number of people that speak that language by the total students

6/25 = .24 = 24%

12/25= .45 = 48%

3/25 = .12 = 12%

4/25 = .16 = 16%

Also, if you want to just check,  see if the percentages add to 100%

6 0
3 years ago
List 3 values that would make this inequality true 43 &lt; y -30
prohojiy [21]
43 < y - 30
add 30 to both sides
73 < y

y can be anything that is greater than 73
so it could be...
101, 74, 90, 75, 980767, 5674, etc.

Hope this helps!
4 0
3 years ago
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