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balandron [24]
3 years ago
8

A spinner has six sections of equal shape and size. Each section is either black or white. The table shows the result of an expe

riment when the spinner was spun 84 times:
Black-14
White-70
Result of Based on the data, which of the following best describes the experimental probability of the arrow landing on a black or white section of the spinner?

A. The spinner is equally likely to land on black or white.
B. The spinner is 5 times more likely to land on white.
C. The spinner is 5 times more likely to land on black.
D. The information cannot be concluded from the data.
Mathematics
1 answer:
OverLord2011 [107]3 years ago
3 0
The answer is B
14 times 5 = 70
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James estimated the total cost of groceries to be $50. The actual cost of the groceries is $65. What is the percent error? Round
Yuki888 [10]

The percentage error is 23%

Explanation:

The estimated total cost of the groceries = $50

The actual cost of the groceries = $65

To find the error value, we need to subtract the value of actual cost and total cost of the groceries.

Thus,

error value = actual cost - total cost

error value = 65-50=15

Hence, error value = $15

The formula to determine the percent error is given by

Percent error $=\left(\frac{\text { error value}}{\text {actual value}}\right) \times 100$

Substituting the values in the formula, we get,

$\begin{aligned} \text { Percent error } &=\left(\frac{15}{65}\right) \times 100 \\ &=0.231 \times 100 \\ &=23.1 \end{aligned}$

Rounding off the value, we have, 23%

Thus, the percentage error is 23%

6 0
4 years ago
The slope of a hill next to a highway decreases 2 vertical feet for every 3 horizontal feet away from the highway.
Novay_Z [31]

Slope is the change in Y ( vertical) over the change in X( horizontal).

The slope would be -2 /3

You would multiply the horizontal distance by the slope:

-2/3 x 12 = -8

The answer would be D. v(h)=-2/3h, and the vertical distance is -8 feet.

8 0
3 years ago
What two of the same numbers can give u -4 ?
nasty-shy [4]
-2 + (-2) = -4
answer is -2
8 0
3 years ago
HELP!!!!!!!!!! What is 1267 ÷ 567 please help quickly I need it
hram777 [196]
2.2345679012 I THINK
4 0
3 years ago
Read 2 more answers
NEED ANSWER ASAP PLEASE!!!!
dexar [7]

Answer:

The correct answer would be D. y=2/3x+8


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4 years ago
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