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melamori03 [73]
3 years ago
14

Please help me im not good at maths :(((

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0

Answer:

A) 11% B) 60

Step-by-step explanation:

(for A) if you add all the "Frequency" it adds up to 100, so we don't need to do any maths for that because we already have our 100% right there. So less maths to do because if that right there is already the whole, then the frequency of it is the % out of 100%

(for B) If you take your calculator and do 12 x 500, you get 6,000, press the "%" button and it gives you the percent of what that probability of getting 6 after rolling 500 times with its sent frequency

(took me a minute to learn this this for you... by that i mean i messed around with my calculator for like 3 minutes) Hope this is right.

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he original price of a tractor was $45,000. The price of the tractor decreases at a steady rate of 8.3% per year. What is the va
Debora [2.8K]
  • Answer:

<em>$29178.25</em>

  • Step-by-step explanation:

<em>x = p(1 - r)ⁿ</em>

<em>p = original price</em>

<em>r = 8.3% = 0.083</em>

<em>n = 5 years</em>

<em>x = $45000(1 - 0.083)⁵</em>

<em>= $45000ₓ0.917⁵</em>

<em>= $45000ₓ0.64840548256</em>

<em>= </em><em>$29178.25</em>

5 0
3 years ago
Which of the following is generally not true about statistical sampling as compared to nonstatistical sampling? (A) Statistical
motikmotik

Answer:

(A) Statistical samples are more representative of the population.

Step-by-step explanation:

The following is generally not true about statistical sampling as compared to non statistical sampling:

(A) Statistical samples are more representative of the population.

Statistical sampling refers to a type of statistical study whose sampling method is based on the way we select samples from the population to take part the study/survey.

6 0
3 years ago
F(x)= -3x^3-x^2+x-3 identify the end behavior of each polynomial function
sashaice [31]

end behavior is affect by the exponent and whether its negative or positive

y = y^3 starts negative from -∞ to 0 the from 0 to +∞ goes positive

since this equation is negative its switched

-∞ to 0  its positive x>0

0 to +∞ is negative x<0

3 0
3 years ago
Find the sum of 12 out of 7 plus 8 out of 7
Viktor [21]
12/7 + 8/7 

12+8 = 20

20/7 = 2 and 6/7ths


8 0
3 years ago
Read 2 more answers
10 POINTS AND BRAINLIEST<br> URGENT MATH QUESTION SEE PICTURE
Lostsunrise [7]

The point-slope form:

y-y_1=m(x-x_1)

m - slope

(x_1,\ y_1) - point

We have the point (3,\ -2)\to x_1=3,\ y_1=-2 and the slope m=\dfrac{2}{3}

Substitute:

y-(-2)=\dfrac{2}{3}(x-3)\\\\\boxed{y+2=\dfrac{2}{3}(x-3)}

5 0
3 years ago
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