a certian glacier moves at a rate of 28 inches a day. find the distance in feet the glacier moves in a year
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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.
Trevor is preparing dinner plates. He has 18 pieces of chicken and 14 rolls. If he wants to make all the plates identical without any food left over, what is the greatest number of plates Trevor can prepare?
Translate the word phrase into an algebraic expression: sixteen times the sum of 10p and seventeen
Find the percent from 62 to 7
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9514 1404 393
Answer:
- interior: 175°
- exterior: 5°
Step-by-step explanation:
The sum of exterior angles is 360°, so the exterior angle can be easiest to find first.
exterior angle = 360°/72 = 5°
The interior angle is the supplement of this.
interior angle = 180° -5° = 175°
The measure of one interior angle is 175°; one exterior angle is 5°.
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Answer:
slope = -
Step-by-step explanation:
calculate the slope m using the slope formula
m =
let (x₁, y₁ ) = (6, 0 ) and (x₂, y₂ ) = (- 3, 2 )
substitute these values into the formula for m
m = =
= -
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Answer:
small box costs $11, large box costs $13
Step-by-step explanation:
2S + 3L = 61
3S + 3L = 72
Eliminate the L terms: subtract first equation from second equation
2S + 3L = 61
-3S - 3L = -72
-------------------
-S = -11
S = 11
2S + 3L = 61
2(11)+3L = 61
3L = 39
L = 13
small box costs $11, large box costs $13
Answer:
no tienes idea de lo que estoy diciendo, chico
Step-by-step explanation:
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This is because both of those angles are equal, so you would divide 42 by 2 and get 21
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There are 95 cards did Steve initially purchase to begin his collection.
What is Division method?
Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.
Given that;
Steve began a baseball card collection by purchasing some cards.
And, He increased the number of cards in the collection by a constant amount each week after that.
Now, In 3 weeks he collect 285 cards.
Hence, Number of cards to collect in initially is,
⇒ 285/3
⇒ 95
Thus, There are 95 cards did Steve initially purchase to begin his collection.
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Answer:95
Step-by-step explanation:
95x3=285
1 1/8 miles per hour
8/9 miles per hour
1 5/12 miles per hour
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Answer:
The hiking speed in miles per hour is 1 1/8.
Step-by-step explanation:
This can be solved by a simple rule of three.
In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.
When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too.
When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease.
In this problem, the measures are the time spent hiking and the distance hiked. As the the time spent hiking increases, so will the distance hiked. So their relationship is direct.
So:
3/4 - 2/3 hour
x miles - 1 hour
x can also be written in this format
So the hiking speed in miles per hour is 1 1/8.