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allochka39001 [22]
3 years ago
9

Writing to explain what are compatible numbers? What compatible numbers would you pick to estimate the diferrent of 777-248? Why

?
Mathematics
1 answer:
Sphinxa [80]3 years ago
8 0
Compatible numbers are rounded numbers. the compatible number for 777 is 800 , and the compatible number for 248 is 200 because I rounded to the nearest hundreds place


I hope I helped you!!!!<3
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What is the value of the underline digit?<br><br> 14.097
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Step-by-step explanation:

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Write an expression that has three terms and simplifies to 4x-7.
nikklg [1K]
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Find the area of each figure. round to the hundredths place when necessary
notsponge [240]

Answer:

115.48m^{2}

Step-by-step explanation:

This shape can be split into two distinct shapes

Two halves of a semi circle, and a rectangle in between

Circle:

Putting both halves of the semi circle together will give you a full circle. The diameter of the circle is given (7m).

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Rectangle:

The area of a rectangle is A = h b

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The base, b, can be found by removing the length from the dot to the end of the semi circles. This length is the radius of the semi circles, 3.5m

Removing the radius from the total length given

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6 0
3 years ago
What is the answer for 4y^2=81
Elena L [17]
<span><u><em>Answer:</em></u>
either y = 4.5
or y = -4.5

<u><em>Explanation:</em></u>
To get the solution, we will need to isolate the y on one side of the equation.
<u>This can be done as follows:</u>
4y</span>²<span> = 81

</span>\frac{4y^2}{4} =  \frac{81}{4}
<span>
y</span>²<span> = 20.25

y = +/- </span>√(20.25)<span>
either y = +</span>√<span>(20.25) = 4.5
or y = -</span>√<span>(20.25) = -4.5

Since there are no restrictions on the value of y, therefore, both answers would be accepted

Hope this helps :)</span>
3 0
3 years ago
Read 2 more answers
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