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Orlov [11]
2 years ago
9

Which ratio is equivalent to 45/80? A: 3/4 B: 9/16 C: 1/3 D: 3/5

Mathematics
2 answers:
Alexus [3.1K]2 years ago
5 0

Answer:

The correct answer would be B. 9/16

Step-by-step explanation:

B is correct because both 45 and 80 can go into 9 and 16.

HAVE A GOOD DAY!

fredd [130]2 years ago
3 0

Answer:

B: 9/16

Step-by-step explanation:

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Connor wants to attend the town carnival. the price of admission to the carnival is $4.50, and each ride costs and additional 79
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Answer:

4.50 + 0.79r

r = 14

Step-by-step explanation:

4.50 + 0.79(14)n= 15.56

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Suppose that X is a random variable with mean 30 and standard deviation 10. Also suppose that Y is a random variable with mean 2
Bas_tet [7]
Part a: For variable X using z score you have (x-30)/10, replace X for this expression in (a), i mean Z=2+10((x-30)/10) = 2+x-30= put this in the way of z score = (x-18)/1, so the mean is 18 and standard deviation is 1.
Part b: Z=X+Y= (x-30)/10 + (x-20)/8 = solve adding fractions = (18x-440)/80 now divide all the numbers between 18 (because you need to show as z score way) = (x-24.4)/4.4, so the mean is 24.4 and standard deviation is 4.4.
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3 0
3 years ago
Solve the inequality x + 1 > 5. Then graph the solutions.
SVEN [57.7K]
Solution to Inequality #1:

6 - x > 15
-x > 15 - 6
-x > 9
-x/-1 < 9/-1 (divide by -1; reverse sign of inequality)
x < -9

Solution to Inequality #2:

8x < 1
x < 1/8

OR

x - 9 > -5
x > -5 + 9
x > 4

Solution to Inequality #3:

|x + 3| >= 4

Positive Case:

x + 3 >= 4
x >= 4 - 3
x >= 1

Negative Case:

-1(x + 3) >= 4
-x - 3 > = 4
-x >= 4 + 3
-x >= 7
-x/-1 <= 7/-1 (divide by -1; reverse sign of inequality)
x <= -7
4 0
3 years ago
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