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Alja [10]
3 years ago
12

Round 489 to the nearest ten​

Mathematics
2 answers:
Helga [31]3 years ago
7 0

Answer:

<em>5</em><em>0</em><em>0</em>

Step-by-step explanation:

<em>4</em><em>8</em><em>9</em><em> </em><em>w</em><em>h</em><em>e</em><em>n</em><em> </em><em>r</em><em>o</em><em>u</em><em>n</em><em>d</em><em>e</em><em>d</em><em> </em><em>t</em><em>o</em><em> </em><em>t</em><em>h</em><em>e</em><em> </em><em>n</em><em>e</em><em>a</em><em>r</em><em>e</em><em>s</em><em>t</em><em> </em><em>1</em><em>0</em><em> </em><em>i</em><em>s</em><em> </em><em>5</em><em>0</em><em>0</em>

Lynna [10]3 years ago
6 0
Your answer is 500. The tenths place is above half so that wouls round up to 500.
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Which equation is not a linear equation? Question options: a) –4v + 2w = 7 b) x4= y c) x = -5 d) 2x + 3y = 5
Semmy [17]

Answer: Option b

x^4= y

Step-by-step explanation:

Linear equations have the following form:

a_1x^n + a_2y^m + a_3w^s + a_4v^h = b

Where the exponents n, m, s and h are always 0 or 1

To know which equations are nonlinear, identify among the options given, those that have exponents other than 1 or 0

Note that in option b) the exponent of the variable x is n = 4 therefore the equation is nonlinear

Finally the answer is the option b

3 0
3 years ago
A textile mill wishes to establish a control procedure on flaws in towels it manufactures. Using an inspection unit of 50 units,
Natasha_Volkova [10]

Answer:

•A c-chart is the appropriate control chart

• c' = 8.5

• Control limits, CL = 8.5

Lower control limits, LCL = 0

Upper control limits, UCL = 17.25

Step-by-step explanation:

A c chart is a quality control chart used for the number of flaws per unit.

Given:

Past inspection data:

Number of units= 100

Total flaws = 850

We now have:

c' = 850/100

= 8.5

Where CL = c' = 8.5

For control limits, we have:

CL = c'

UCL = c' + 3√c'

LCL = c' - 3√c'

The CL stands for the normal control limit, while the UCL and LCL are the upper and lower control limits respectively

Calculating the various control limits we have:

CL = c'

CL = 8.5

UCL = 8.5 + 3√8.5

= 17.25

LCL = 8.5 - 3√8.5

= -0.25

A negative LCL tend to be 0. Therefore,

LCL = 0

4 0
3 years ago
Find the area of the figure.
mariarad [96]

Answer:25

Step-by-step explanation:Count all the wholes then put all the halves and there is 25

5 0
3 years ago
Read 2 more answers
6. The population of a town is 680 000 correct to the nearest 10 000. Write down
serg [7]

Answer:

a) 675 000

b) 685 000

Step-by-step explanation:

The population of a town is 680 000 correct to the nearest 10 000.

a) To find it lower bound, we level of accuracy by 2 and then subtract from 680 000

The lower bound is:

680 000-5000=675,000

Therefore the least possible population of the town is 675 000

b) We repeat the same process to find the upper bound

680 000+5000=685,000

6 0
3 years ago
For these two rules, the second number in the ordered pair is always three times greater than the first number. If the relations
spayn [35]
Well this factor has to the answer b.) hope I helped.
3 0
3 years ago
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