Find the value of x. Round to the nearest tenth.
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i think. hope it helped sorrh if it’s wrong i’m not good at math
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The recommended dietary allowance (RDA) of iron for adult females is 18 milligrams (mg) per day. The given iron intakes (mg) were obtained for 45 random adult females. At the 10% significance level, do the data suggest that adult females are, on average, getting less than the RDA of 18 mg of iron? Assume that the population standard deviation is 4.2 mg. Preliminary data analyses indicate that applying the z-test is reasonable. (Note: x bar equals=14.65 mg.)1. State the hypotheses for the one-mean z-test.2. Compute the value of the test statistic. z=______3. Determine the critical value(s).4._________ the null hypothesis. At the 10% significance level, the data____________sufficient evidence to conclude that adult females are ___________ the RDA of iron, on average.
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The distance walked by Marisol=speed*time=2t
Distance walked by Mimi=3(t-1)
When they've reached school they've all walked the same distance so:
3(t-1)=2t
3t-3=2t
3t-2t=3
t=3
Thus the distance from the mall to their school is 2t=2*3=6 miles
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Answer: The number of boxes she can fill is 40
Step-by-step explanation:
Given : Janine is packing carrots. Each large box holds 20 2-pound bags of carrots.
i.e. the number of 2-pound bags of carrots in each box = 20
The number of bags of carrot = 800
The number of boxes she can fill is given by :-
Therefore , the number of boxes she can fill is 40.
Each box holds 20 bags.
800 bags / 20 bags per box = # of boxes
40 boxes are needed.
Math pls help
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Answer:
y=2/3x+600
Step-by-step explanation:
as x goes up by 3, y goes up by 2. So this means the slope is 2/3. also, you add 600 which is the y intercept
There are
the seats are chosen
ways that 4 seats can be left empty in the auditorium. This is a
important.
Answers
Answer:
5773185
Step-by-step explanation:
There are 110 seats
110 ways to choose the first empty seat
Now there are 109 seats
109 ways to choose the next empty seat
Now there are 108 seats
108 ways to choose the next empty seat
Now there are 107 seats
110*109*108*107=138556440
Now the order of the empty seats doesn't matter so we need to divide by 4!
138556440/ 4!
138556440/ 24
5773185
Final answer:
In this mathematics problem, we are asked to determine the number of ways that 4 seats can be left empty in a high school auditorium that seats 110 people. We can use the concept of combinations to solve this.
Explanation:
In this problem, we are asked to determine the number of ways that 4 seats can be left empty in a high school auditorium that seats 110 people. To solve this, we can use the concept of combinations. The total number of ways to choose 4 seats out of 110 is represented by the combination formula: C(110, 4). To calculate this, we can use the formula: C(n, r) = n! / (r!(n - r)!), where n is the total number of seats and r is the number of seats left empty. Plugging in the values, we have C(110, 4) = 110! / (4!(110 - 4)!).
Using a calculator, we can simplify this expression and calculate the answer.
Learn more about combinations here:
#SPJ12
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145.50 - 129.75 = 15.75
The shop made £15.75 in one hour.
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Answer: irdk the awnser but F on that tumor