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erastovalidia [21]
3 years ago
11

Tell weather the given value is a solution of the inequality yes or no

Mathematics
1 answer:
Hitman42 [59]3 years ago
3 0
Yes it is a solution, 8-3 is less than or equal to 9
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Aura used the expression 9x3 to find the total number of flowers she picked. Which could describe what aura did with the flowers
GarryVolchara [31]
Can you send me the imager of the sheet please

3 0
3 years ago
Kalsom answers 25 questions in math tests. He scored 81% to 93%. Calculate all possible number of questions successfully answere
cricket20 [7]

Answer:

21 and 22

Step-by-step explanation:

Let's work backward from that 81%:  x/25 = 0.81 yields x = 20.25.  Nominally, 20.25 / 25 = 0.81, but x must be an integer.  Let's round 20.25 off to 20.

Thus, if Kalsom got 81%, it was a result of his having done 20 questions correctly.

81% corresponds to 20 questions correct;

82% to 20.5 questions correct, or, rounding up, to 21 questions correct;

83% to 20.75, or 21;

84% to 21 questions correct; this is the only result that makes sense (whole number of questions answered correctly)

85% to 21.25;

86% to 21.5;

87% to 21.75;

88% to 22 questions correct (this makes sense, unlike the last three)

89% to 22.25;

90% to 22.5;

91% to 22.75;

Assuming that the number of questions correct MUST be integer, then the possible number correct are 21 and 22, corresponding to 84% and 88% respectively.

4 0
3 years ago
Solve the right triangle
____ [38]

Answer:

C=5.831

a=30.964

b=59.036

Step-by-step explanation:

7 0
3 years ago
You measure the weight of 38 bags of nuts, and find they have a mean weight of 78 ounces. Assume the population standard deviati
Ket [755]

Answer: The maximal margin of error is 4.822.

Step-by-step explanation:

Since we have given that

Number of bags = 38

Sample mean = 78 ounces

Standard deviation = 14.5 ounces

At 96% confidence interval for the true population mean bags of nut weight.

So, z = 2.05

As we know that formula for "Margin of error":

z\times \dfrac{\sigma}{\sqrt{n}}\\\\=2.05\times \dfrac{14.5}{\sqrt{38}}\\\\=4.822

Hence, the maximal margin of error is 4.822.

8 0
3 years ago
Mrs. Connors went to the shopping mall and spent 3/5 of the money she had in her wallet at the department store. She bought new
Katen [24]
She spent 115 dollars on the pots and pans
7 0
3 years ago
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