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3 years ago

Estimate the sum of 872 and 121 by rounding both values to the nearest hundred. What is the best estimate of the sum?

Mathematics

1 answer:

Arisa [49]3 years ago

3 0

Answer:

872

Step-by-step explanation:

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What’s a line equation passing through (14,-8) and (24,-3)

Nataly_w [17]

$\bf (\stackrel{x_1}{14}~,~\stackrel{y_1}{-8})\qquad (\stackrel{x_2}{24}~,~\stackrel{y_2}{-3}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-3}-\stackrel{y1}{(-8)}}}{\underset{run} {\underset{x_2}{24}-\underset{x_1}{14}}}\implies \cfrac{-3+8}{10}\implies \cfrac{5}{10}\implies \cfrac{1}{2}$

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-8)}=\stackrel{m}{\cfrac{1}{2}}(x-\stackrel{x_1}{14}) \\\\\\ y+8=\cfrac{1}{2}x-7\implies y=\cfrac{1}{2}x-15$

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3 years ago

15. A person facing east walks east 20 paces, turns, walks north 10 paces, turns, walks west 25 paces, turns, walks south 10 pac

Reptile [31]

Answer:

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3 years ago

Write a rule for linear function in the table

Vesnalui [34]

d. f(x)=2x+1

f(5)=2(2)+1

f(5)=4+1

f(5)=5

f(11)=2(5)+1

f(11)=10+1

f(11)=11

f(8)=2(8)+1

f(8)=16+1

f(8)=17

f(23)=2(11)+1

f(23)=22+1

f(23)=23

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3 years ago

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fgiga [73]

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3 years ago

A rectangular garden has a perimeter of 36 yards and a width of 8 yards.

xeze [42]

Answer:

80 square yards

Step-by-step explanation:

We know we have a width of 8 yards and a perimeter of 36.

how I figured it out was:

36=(8*2) * (x*2)

8*2=16

36-16=10

So now we know the length and width.

area of a rectangle is lw (length * width)

10*8=80.

8 0

3 years ago