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myrzilka [38]
3 years ago
11

You get paid $10 an hour. In order to make $210, you need to work 21 hours. If you work the same amount of hours for four days a

nd you work the remaining hours on the fifth day, how many hours do you have to work for each of the four days and how many will you have left to work on the fifth day?
Mathematics
1 answer:
Citrus2011 [14]3 years ago
6 0
If you want to make it so that you work most of the hours on the first 4 days,  you should work 5 hours.  5*4=20,  so 1 hour would be left over on the 5th day.  
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Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type.
Vinvika [58]

Answer:

The point estimate for population mean is 8.129 Mpa.

Step-by-step explanation:

We are given the following in the question:

Data on flexural strength(MPa) for concrete beams of a certain type:

11.8, 7.7, 6.5, 6.8, 9.7, 6.8, 7.3, 7.9, 9.7, 8.7, 8.1, 8.5, 6.3, 7.0, 7.3, 7.4, 5.3, 9.0, 8.1, 11.3, 6.3, 7.2, 7.7, 7.8, 11.6, 10.7, 7.0

a) Point estimate of the mean value of strength for the conceptual population of all beams manufactured

We use the sample mean, \bar{x} as the point estimate for population mean.

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

\bar{x} = \dfrac{\sum x_i}{n} = \dfrac{219.5}{27} = 8.129

Thus, the point estimate for population mean is 8.129 Mpa.

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2 years ago
Drag each relation to the correct location on the table.
asambeis [7]
So what is the question exactly I’m confused on how this is asked
5 0
2 years ago
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Broderick had $420 in his checking account. He made 6 deposits of $35.50 each. He needs to write 4 checks for $310.75 each.How m
kvasek [131]
So, first you would need to multiply 6 by $35.50, then take that number and add it to the $420 to get $633.00. Then you need to multiply $310.75 by 4. After take that $1243.00 and subtract $633.00 from it to get $610.00. So, the answer is: Broderick would need to add at least $610 to his account to cover his checks.
3 0
3 years ago
Find the area of the following figure.
Zigmanuir [339]

Answer:

312

Step-by-step explanation:

Triangles

1/2 12 *10 = 6*10 = 60

there are two triangles meaning we have to multiply 60 by 2 = 120

Rectangle

12*16 = 192

Add the two and you have the area 120+192=312

5 0
2 years ago
The complement of an angle is $5^{\circ}$ more than four times the angle. what is the number of degrees in the measure of the an
Anna11 [10]

Answer:

  17°

Step-by-step explanation:

Let x represent the measure of the angle.

  (90 -x) = 5 + 4x . . . . the complement is 5° more than 4 times the angle

  85 = 5x . . . . . . . . . . add x-5 to both sides

  17 = x . . . . . . . . . . . . divide by 5

The measure of the angle is 17°.

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3 years ago
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