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Sergeeva-Olga [200]
2 years ago
10

Answersss please hurry I will give you Brainliest

Mathematics
1 answer:
nadya68 [22]2 years ago
6 0

Ans

B,D,F

Step-by-step explanation:

Y=5-x^2

Y=3x^2+1

Y=x^3

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Suppose that a jewelry store tracked the amount of emeralds they sold each week to more accurately estimate how many emeralds to
Ratling [72]

Answer: point estimate = 3.88

Margin of error = 0.63

Step-by-step explanation:

Confidence interval is written in the form,

(Point estimate - margin of error, Point estimate + margin of error)

The sample mean, x is the point estimate for the population mean. Let m represent the margin of error. Since the confidence interval is given as (3.25 , 4.51), it means that

x - m = 3.25

x + m = 4.51

Adding both equations, it becomes

2x = 7.76

x = 7.76/2

x = 3.88

Substituting x = 3.88 into x + m = 4.51, it becomes

3.88 + m = 4.51

m = 4.51 - 3.88

m = 0.63

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2 years ago
after spending 80% of her daily allowance, Ola found out she had 25k left. How much was her total allowance?
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Answer:

31.25 k

Step-by-step explanation:

80 %   *  x = 25 k

.80  x    = 25 k

x   = 25 k / .80 = 31.25 k

8 0
1 year ago
Help please I will mark brainliest
Nadusha1986 [10]
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3 years ago
Rotate the figure shown 180° clockwise. What is the coordinate of J'? <br> C. (7,6)<br> D. (-6,7)
oee [108]

Answer:

(6, 7)

Step-by-step explanation:

rotating a shape 180 degrees will create the same shape, with similar coordinates. Therefore, drawing a straight line through the origin, would make the coordinates of J (6, 7)  

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3 years ago
Juan is saving money to buy a game. So far he has saved ,$12 which is three-fourths of the total cost of the game. How much does
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answer: 16

how? 100/4 = 25
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3 0
2 years ago
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