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Arada [10]
4 years ago
14

Sally did some counting look at her work explain why you think sally counted this way 177,178,179,180,190,200,220,211,212,213,21

4
Mathematics
1 answer:
dimulka [17.4K]4 years ago
8 0
<span>The first and last four numbers each have a difference of one between them. The fifth number has a difference of 10 between it and the previous number. The middle number has a difference of 20 between itself and the two numbers that surround it. Counting in this way could have been a result of a lot of things to count, and spot checking along the way (when the numbers have a difference of 1).</span>
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[50 Points]
Snezhnost [94]
60 days / 8 workers = 7.5

60 days - 12 days of work done = 48

48 x 7.5 = 360

360/ 12 workers = 30 days to finish rest of the house.
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3 years ago
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What is the standard form of the number shown in this calculator display?
dem82 [27]

Answer:

  38,200,000

Step-by-step explanation:

Put the 3 in the 8th spot to the left of the decimal point and fill in the other digits to the right of it.

  38,200,000

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The first spot immediately to the left of the decimal point has a place value of 10^0, so the location with a place value of 10^7 is the 8th spot left of the decimal point. You should be able to get the idea from the attached.

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If you put your calculator in the appropriate display mode, it should show you the number in this form.

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3 years ago
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tamaranim1 [39]
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5 0
3 years ago
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The weight W that a horizontal beam can support varies inversely as the length L of the beam. Suppose that an 8 dash m beam can
miss Akunina [59]
<h2>Answer:</h2>

The number of kilograms a 19 m beam can support is:

                               378.9474 kg

<h2>Step-by-step explanation:</h2>

It is given that:

The weight W that a horizontal beam can support varies inversely as the length L of the beam.

Let k denote the constant.

This means that the weight W and Length L is related as:

                 W=\dfrac{k}{L}

Suppose that an 8 dash m beam can support 900 kg.

This means that L=8 and W=900

Then,

900=\dfrac{k}{8}\\\\i.e.\\\\k=900\times 8\\\\i.e.\\\\k=7200

Now , we are asked to find the value of W when L= 19

i.e.

W=\dfrac{7200}{19}\\\\i.e.\\\\W=378.9474\ kg

6 0
3 years ago
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Leya [2.2K]

Answer:

y ≥ 1

Step-by-step explanation:

According to the graph, the y values start at 1 and go to ∞. Therefore, the range of the function is y ≥ 1.

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