Write two 5-digit addends whose sum would give an estimate of 60,000

Mathematics

1 answer:

earnstyle [38]3 years ago

4 0

15,000 and 00004 would work also 77.460 (rounded) and 77. 460 (rounded)

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Math please help i am stuck explain

san4es73 [151]

9514 1404 393

Answer:

9/16 inch

Step-by-step explanation:

A = 3/4 +1/16

B = 1/4

x = A - B

x = (3/4 +1/16) - (1/4) . . . an equation for the difference

x = (12/16 + 1/16) - 4/16 = (13 -4)/16

x = 9/16

The difference between A and B on the ruler is 9/16 inch.

8 0

3 years ago

choose the equation that represents a line that represents a line that passes through points -3, 2 and 2,1 A. 5x+y=-13 B. 5x-y=1

Mrrafil [7]

bearing in mind that standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

$\bf (\stackrel{x_1}{-3}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{1}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{1-2}{2-(-3)}\implies \cfrac{-1}{2+3}\implies -\cfrac{1}{5} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-2=-\cfrac{1}{5}[x-(-3)]\implies y-2=-\cfrac{1}{5}(x+3)$

$\bf y-2=-\cfrac{1}{5}x-\cfrac{3}{5}\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{5}}{5\left(y-2 \right)=5\left( -\cfrac{1}{5}x-\cfrac{3}{5} \right)}\implies 5y-10=-x-3 \\\\\\ 5y=-x+7\implies x+5y=7$